Nantes-Bouguenais Weather Records (FRM00007222)
Record envelope, standing records and threshold days for Nantes-Bouguenais (FRM00007222), France, with 82 years of record.
Key Facts for Nantes-Bouguenais
- Nantes-Bouguenais (FRM00007222) is a weather station in France at 47.15 latitude and -1.61 longitude, 26 m (85 ft) above sea level.
- The station reports from 1945 to 2026, 82 years of record.
- 1,464 records set at Nantes-Bouguenais still stand.
- Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
- Nantes-Bouguenais tied a daily record high maximum temperature of 33.7 C (92.7 F) on 16 August 2026 (provisional).
Provisional Records
Records set in the last 60 days are provisional until they clear the revision window.
About the Station
- Location: France, 47.15 latitude, -1.61 longitude.
- Elevation: 26 m (85 ft).
- Period of record: 1945 to 2026, 82 years.
- Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
37 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 18.2 C (64.8 F) | -13.0 C (8.6 F) | 14.8 C (58.6 F) | -6.6 C (20.1 F) |
| Feb | 22.6 C (72.7 F) | -15.6 C (3.9 F) | 20.9 C (69.6 F) | 1.3 C (34.3 F) |
| Mar | 24.2 C (75.6 F) | -9.6 C (14.7 F) | 20.0 C (68.0 F) | -0.3 C (31.5 F) |
| Apr | 28.3 C (82.9 F) | -2.8 C (27.0 F) | 28.1 C (82.6 F) | 2.1 C (35.8 F) |
| May | 35.7 C (96.3 F) | -1.5 C (29.3 F) | 35.7 C (96.3 F) | 3.9 C (39.0 F) |
| Jun | 42.2 C (108.0 F) | 3.8 C (38.8 F) | 42.2 C (108.0 F) | 7.4 C (45.3 F) |
| Jul | 42.0 C (107.6 F) | 5.8 C (42.4 F) | 39.6 C (103.3 F) | 12.0 C (53.6 F) |
| Aug | 40.4 C (104.7 F) | 5.6 C (42.1 F) | 40.4 C (104.7 F) | 10.4 C (50.7 F) |
| Sep | 35.4 C (95.7 F) | 2.8 C (37.0 F) | n/a | n/a |
| Oct | 30.4 C (86.7 F) | -3.3 C (26.1 F) | n/a | n/a |
| Nov | 21.8 C (71.2 F) | -6.8 C (19.8 F) | n/a | n/a |
| Dec | 18.4 C (65.1 F) | -10.8 C (12.6 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1945 | 14 |
| 1946 | 29 |
| 1947 | 43 |
| 1948 | 30 |
| 1949 | 9 |
| 1950 | 13 |
| 1951 | 12 |
| 1952 | 21 |
| 1953 | 17 |
| 1954 | 26 |
| 1955 | 21 |
| 1956 | 37 |
| 1957 | 16 |
| 1958 | 17 |
| 1959 | 7 |
| 1960 | 8 |
| 1961 | 20 |
| 1962 | 25 |
| 1963 | 27 |
| 1964 | 11 |
| 1965 | 15 |
| 1966 | 4 |
| 1967 | 5 |
| 1968 | 6 |
| 1969 | 14 |
| 1970 | 13 |
| 1971 | 12 |
| 1972 | 9 |
| 1973 | 13 |
| 1974 | 18 |
| 1975 | 20 |
| 1976 | 16 |
| 1977 | 17 |
| 1978 | 17 |
| 1979 | 16 |
| 1980 | 32 |
| 1981 | 14 |
| 1982 | 15 |
| 1983 | 18 |
| 1984 | 13 |
| 1985 | 36 |
| 1986 | 25 |
| 1987 | 24 |
| 1988 | 9 |
| 1989 | 31 |
| 1990 | 24 |
| 1991 | 17 |
| 1992 | 15 |
| 1993 | 23 |
| 1994 | 10 |
| 1995 | 12 |
| 1996 | 9 |
| 1997 | 21 |
| 1998 | 15 |
| 1999 | 9 |
| 2000 | 11 |
| 2001 | 11 |
| 2002 | 13 |
| 2003 | 28 |
| 2004 | 11 |
| 2005 | 16 |
| 2006 | 13 |
| 2007 | 18 |
| 2008 | 8 |
| 2009 | 9 |
| 2010 | 11 |
| 2011 | 19 |
| 2012 | 14 |
| 2013 | 18 |
| 2014 | 8 |
| 2015 | 20 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 20 |
| 2019 | 19 |
| 2020 | 19 |
| 2021 | 16 |
| 2022 | 37 |
| 2023 | 29 |
| 2024 | 23 |
| 2025 | 20 |
| 2026 | 58 |
All-Time Record Progression
10 new records| Date | Kind | Detail |
|---|---|---|
| 1976-06-29 | Record high minimum temperature | Record high minimum temperature 23.8 C (74.8 F) |
| 1977-07-07 | Record daily precipitation | Record daily precipitation 94.9 mm (3.7 in) |
| 1987-01-13 | Record low maximum temperature | Record low maximum temperature -7.7 C (18.1 F) |
| 2019-06-27 | Record high minimum temperature | Record high minimum temperature 24.2 C (75.6 F) |
| 2019-06-28 | Record high minimum temperature | Record high minimum temperature 24.7 C (76.5 F) |
| 2021-10-02 | Record daily precipitation | Record daily precipitation 96.7 mm (3.8 in) |
| 2022-07-18 | Record high maximum temperature | Record high maximum temperature 42.0 C (107.6 F) |
| 2026-06-23 | Record high maximum temperature | Record high maximum temperature 42.1 C (107.8 F) |
| 2026-06-24 | Record high maximum temperature | Record high maximum temperature 42.2 C (108.0 F) |
| 2026-06-25 | Record high minimum temperature | Record high minimum temperature 27.2 C (81.0 F) |
Wettest Day of Each Month
Oct: 96.7 mm (3.8 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 50.1 mm (2.0 in) | 2 January 1961 |
| Feb | 34.5 mm (1.4 in) | 4 February 1951 |
| Mar | 47.4 mm (1.9 in) | 1 March 2020 |
| Apr | 43.6 mm (1.7 in) | 30 April 2015 |
| May | 56.5 mm (2.2 in) | 26 May 1950 |
| Jun | 70.1 mm (2.8 in) | 11 June 2018 |
| Jul | 94.9 mm (3.7 in) | 7 July 1977 |
| Aug | 53.4 mm (2.1 in) | 28 August 1970 |
| Sep | 48.2 mm (1.9 in) | 25 September 1975 |
| Oct | 96.7 mm (3.8 in) | 2 October 2021 |
| Nov | 45.9 mm (1.8 in) | 3 November 1957 |
| Dec | 38.6 mm (1.5 in) | 3 December 1992 |
Period of Record Coverage
1945 to 2026| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1945 | 244 | 67% | No |
| 1946 | 365 | 100% | Yes |
| 1947 | 362 | 99% | Yes |
| 1948 | 366 | 100% | Yes |
| 1949 | 363 | 99% | Yes |
| 1950 | 363 | 99% | Yes |
| 1951 | 365 | 100% | Yes |
| 1952 | 363 | 99% | Yes |
| 1953 | 365 | 100% | Yes |
| 1954 | 363 | 99% | Yes |
| 1955 | 361 | 99% | Yes |
| 1956 | 363 | 99% | Yes |
| 1957 | 365 | 100% | Yes |
| 1958 | 365 | 100% | Yes |
| 1959 | 364 | 100% | Yes |
| 1960 | 364 | 99% | Yes |
| 1961 | 365 | 100% | Yes |
| 1962 | 362 | 99% | Yes |
| 1963 | 362 | 99% | Yes |
| 1964 | 364 | 99% | Yes |
| 1965 | 360 | 99% | Yes |
| 1966 | 363 | 99% | Yes |
| 1967 | 364 | 100% | Yes |
| 1968 | 362 | 99% | Yes |
| 1969 | 363 | 99% | Yes |
| 1970 | 364 | 100% | Yes |
| 1971 | 364 | 100% | Yes |
| 1972 | 363 | 99% | Yes |
| 1973 | 363 | 99% | Yes |
| 1974 | 362 | 99% | Yes |
| 1975 | 365 | 100% | Yes |
| 1976 | 364 | 99% | Yes |
| 1977 | 364 | 100% | Yes |
| 1978 | 364 | 100% | Yes |
| 1979 | 362 | 99% | Yes |
| 1980 | 365 | 100% | Yes |
| 1981 | 362 | 99% | Yes |
| 1982 | 360 | 99% | Yes |
| 1983 | 363 | 99% | Yes |
| 1984 | 365 | 100% | Yes |
| 1985 | 361 | 99% | Yes |
| 1986 | 363 | 99% | Yes |
| 1987 | 360 | 99% | Yes |
| 1988 | 366 | 100% | Yes |
| 1989 | 363 | 99% | Yes |
| 1990 | 364 | 100% | Yes |
| 1991 | 363 | 99% | Yes |
| 1992 | 364 | 99% | Yes |
| 1993 | 362 | 99% | Yes |
| 1994 | 364 | 100% | Yes |
| 1995 | 359 | 98% | Yes |
| 1996 | 362 | 99% | Yes |
| 1997 | 362 | 99% | Yes |
| 1998 | 365 | 100% | Yes |
| 1999 | 364 | 100% | Yes |
| 2000 | 365 | 100% | Yes |
| 2001 | 362 | 99% | Yes |
| 2002 | 363 | 99% | Yes |
| 2003 | 363 | 99% | Yes |
| 2004 | 363 | 99% | Yes |
| 2005 | 365 | 100% | Yes |
| 2006 | 364 | 100% | Yes |
| 2007 | 365 | 100% | Yes |
| 2008 | 366 | 100% | Yes |
| 2009 | 364 | 100% | Yes |
| 2010 | 364 | 100% | Yes |
| 2011 | 364 | 100% | Yes |
| 2012 | 365 | 100% | Yes |
| 2013 | 362 | 99% | Yes |
| 2014 | 365 | 100% | Yes |
| 2015 | 364 | 100% | Yes |
| 2016 | 366 | 100% | Yes |
| 2017 | 363 | 99% | Yes |
| 2018 | 364 | 100% | Yes |
| 2019 | 365 | 100% | Yes |
| 2020 | 366 | 100% | Yes |
| 2021 | 365 | 100% | Yes |
| 2022 | 364 | 100% | Yes |
| 2023 | 365 | 100% | Yes |
| 2024 | 364 | 99% | Yes |
| 2025 | 364 | 100% | Yes |
| 2026 | 243 | 67% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 16 August 2026 | Nantes-Bouguenais, FR | daily high max (Tie, Provisional) | 33.7 C (92.7 F) | tie | 9 years | 2 of 100 (Routine) |
| 15 August 2026 | Nantes-Bouguenais, FR | daily high min (Tie) | 20.4 C (68.7 F) | tie | 28 years | 4 of 100 (Routine) |
| 14 August 2026 | Nantes-Bouguenais, FR | daily high max | 36.9 C (98.4 F) | 4.9 C (8.8 F) | 9 years | 22 of 100 (Routine) |
| 14 August 2026 | Nantes-Bouguenais, FR | daily high min (Tie) | 20.9 C (69.6 F) | tie | 23 years | 3 of 100 (Routine) |
| 13 August 2026 | Nantes-Bouguenais, FR | monthly high max | 40.4 C (104.7 F) | 0.8 C (1.4 F) | 6 years | 21 of 100 (Routine) |
| 12 August 2026 | Nantes-Bouguenais, FR | daily high min | 22.8 C (73.0 F) | 1.7 C (3.1 F) | 72 years | 34 of 100 (Routine) |
| 12 August 2026 | Nantes-Bouguenais, FR | daily high max | 39.5 C (103.1 F) | 3.3 C (5.9 F) | 4 years | 17 of 100 (Routine) |
| 11 August 2026 | Nantes-Bouguenais, FR | daily high min | 21.3 C (70.3 F) | 1.6 C (2.9 F) | 1 year | 13 of 100 (Routine) |
| 11 August 2026 | Nantes-Bouguenais, FR | daily high max | 37.2 C (99.0 F) | 0.2 C (0.4 F) | 0 years | 8 of 100 (Routine) |
| 29 July 2026 | Nantes-Bouguenais, FR | daily high max | 34.5 C (94.1 F) | 0.4 C (0.7 F) | 41 years | 21 of 100 (Routine) |
| 28 July 2026 | Nantes-Bouguenais, FR | daily high max (Tie) | 34.9 C (94.8 F) | tie | 79 years | 7 of 100 (Routine) |
| 15 July 2026 | Nantes-Bouguenais, FR | daily high max | 36.1 C (97.0 F) | 0.5 C (0.9 F) | 20 years | 15 of 100 (Routine) |
| 15 July 2026 | Nantes-Bouguenais, FR | daily high min | 20.5 C (68.9 F) | 0.3 C (0.5 F) | 20 years | 15 of 100 (Routine) |
| 14 July 2026 | Nantes-Bouguenais, FR | daily high max (Tie) | 33.7 C (92.7 F) | tie | 20 years | 3 of 100 (Routine) |
| 13 July 2026 | Nantes-Bouguenais, FR | monthly high min | 25.5 C (77.9 F) | 1.6 C (2.9 F) | 0 years | 23 of 100 (Routine) |
| 12 July 2026 | Nantes-Bouguenais, FR | monthly high min | 23.9 C (75.0 F) | 0.8 C (1.4 F) | 0 years | 20 of 100 (Routine) |
| 11 July 2026 | Nantes-Bouguenais, FR | daily high max | 36.0 C (96.8 F) | 0.2 C (0.4 F) | 76 years | 31 of 100 (Routine) |
| 11 July 2026 | Nantes-Bouguenais, FR | daily high min | 22.7 C (72.9 F) | 2.1 C (3.8 F) | 55 years | 31 of 100 (Routine) |
| 10 July 2026 | Nantes-Bouguenais, FR | monthly high min | 23.1 C (73.6 F) | 0.2 C (0.4 F) | 42 years | 30 of 100 (Routine) |
| 10 July 2026 | Nantes-Bouguenais, FR | daily high max | 38.1 C (100.6 F) | 3.8 C (6.8 F) | 43 years | 29 of 100 (Routine) |
Climate Trend
80 complete years, 1946 to 2025| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1946 | 11.1 C | -1.23 C |
| 1947 | 12.4 C | +0.08 C |
| 1948 | 12.0 C | -0.32 C |
| 1949 | 13.0 C | +0.64 C |
| 1950 | 11.7 C | -0.62 C |
| 1951 | 11.6 C | -0.70 C |
| 1952 | 11.7 C | -0.62 C |
| 1953 | 11.7 C | -0.59 C |
| 1954 | 11.3 C | -1.03 C |
| 1955 | 12.0 C | -0.35 C |
| 1956 | 10.7 C | -1.63 C |
| 1957 | 12.0 C | -0.27 C |
| 1958 | 11.6 C | -0.69 C |
| 1959 | 13.0 C | +0.66 C |
| 1960 | 12.1 C | -0.24 C |
| 1961 | 12.6 C | +0.33 C |
| 1962 | 11.2 C | -1.10 C |
| 1963 | 10.5 C | -1.82 C |
| 1964 | 11.5 C | -0.82 C |
| 1965 | 11.2 C | -1.16 C |
| 1966 | 12.1 C | -0.17 C |
| 1967 | 11.7 C | -0.60 C |
| 1968 | 11.7 C | -0.57 C |
| 1969 | 12.1 C | -0.18 C |
| 1970 | 11.8 C | -0.52 C |
| 1971 | 11.8 C | -0.48 C |
| 1972 | 11.4 C | -0.95 C |
| 1973 | 11.7 C | -0.62 C |
| 1974 | 11.9 C | -0.38 C |
| 1975 | 11.9 C | -0.37 C |
| 1976 | 12.5 C | +0.21 C |
| 1977 | 11.7 C | -0.59 C |
| 1978 | 11.6 C | -0.69 C |
| 1979 | 11.3 C | -1.00 C |
| 1980 | 11.0 C | -1.35 C |
| 1981 | 12.3 C | -0.06 C |
| 1982 | 12.9 C | +0.59 C |
| 1983 | 12.5 C | +0.17 C |
| 1984 | 12.2 C | -0.10 C |
| 1985 | 11.7 C | -0.66 C |
| 1986 | 11.3 C | -1.00 C |
| 1987 | 11.7 C | -0.59 C |
| 1988 | 12.6 C | +0.26 C |
| 1989 | 13.6 C | +1.28 C |
| 1990 | 13.5 C | +1.15 C |
| 1991 | 11.8 C | -0.47 C |
| 1992 | 12.1 C | -0.18 C |
| 1993 | 11.7 C | -0.58 C |
| 1994 | 13.1 C | +0.77 C |
| 1995 | 13.0 C | +0.64 C |
| 1996 | 11.8 C | -0.53 C |
| 1997 | 13.1 C | +0.75 C |
| 1998 | 12.3 C | -0.04 C |
| 1999 | 12.9 C | +0.62 C |
| 2000 | 12.7 C | +0.40 C |
| 2001 | 12.3 C | +0.01 C |
| 2002 | 13.0 C | +0.64 C |
| 2003 | 13.2 C | +0.87 C |
| 2004 | 12.4 C | +0.11 C |
| 2005 | 12.7 C | +0.36 C |
| 2006 | 12.8 C | +0.49 C |
| 2007 | 12.5 C | +0.23 C |
| 2008 | 12.2 C | -0.16 C |
| 2009 | 12.5 C | +0.15 C |
| 2010 | 11.7 C | -0.66 C |
| 2011 | 13.5 C | +1.15 C |
| 2012 | 12.4 C | +0.08 C |
| 2013 | 12.3 C | +0.03 C |
| 2014 | 13.6 C | +1.24 C |
| 2015 | 13.1 C | +0.81 C |
| 2016 | 12.7 C | +0.42 C |
| 2017 | 13.1 C | +0.83 C |
| 2018 | 13.5 C | +1.21 C |
| 2019 | 13.3 C | +1.03 C |
| 2020 | 13.9 C | +1.55 C |
| 2021 | 12.6 C | +0.30 C |
| 2022 | 14.4 C | +2.08 C |
| 2023 | 14.3 C | +1.94 C |
| 2024 | 13.2 C | +0.92 C |
| 2025 | 13.7 C | +1.43 C |
The annual mean temperature here has risen by 0.2 C (0.2 to 0.3) per decade over 1946 to 2025. In Fahrenheit: 0.4 F (0.3 to 0.5) per decade. The slope is a straight line fitted to 80 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | 0.2 C (0.2 to 0.3) per decade | 0.4 F (0.3 to 0.5) per decade | 1946 to 2025 | 80 | Rise |
| Mean daily maximum | 0.2 C (0.2 to 0.3) per decade | 0.4 F (0.3 to 0.5) per decade | 1946 to 2025 | 80 | Rise |
| Mean daily minimum | 0.2 C (0.2 to 0.3) per decade | 0.4 F (0.3 to 0.5) per decade | 1946 to 2025 | 80 | Rise |
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1945 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 42.2 C (108.0 F) | 2026 | 34.3 C (93.7 F) | 82 |
| Coldest night (TNn) | -15.6 C (3.9 F) | 1956 | -6.4 C (20.5 F) | 82 |
| Wettest day (Rx1day) | 96.7 mm (3.8 in) | 2021 | 34.5 mm (1.4 in) | 82 |
| Wettest five days (Rx5day) | 121.1 mm (4.8 in) | 1977 | 69.4 mm (2.7 in) | 82 |
| Longest dry spell (CDD) | 53 days | 2026 | 25 days | 82 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1945 | 33.4 C (92.1 F) |
| 1946 | 33.0 C (91.4 F) |
| 1947 | 38.4 C (101.1 F) |
| 1948 | 33.8 C (92.8 F) |
| 1949 | 40.3 C (104.5 F) |
| 1950 | 31.1 C (88.0 F) |
| 1951 | 31.3 C (88.3 F) |
| 1952 | 36.8 C (98.2 F) |
| 1953 | 34.0 C (93.2 F) |
| 1954 | 30.2 C (86.4 F) |
| 1955 | 34.6 C (94.3 F) |
| 1956 | 33.4 C (92.1 F) |
| 1957 | 34.2 C (93.6 F) |
| 1958 | 29.5 C (85.1 F) |
| 1959 | 34.4 C (93.9 F) |
| 1960 | 33.3 C (91.9 F) |
| 1961 | 35.2 C (95.4 F) |
| 1962 | 32.6 C (90.7 F) |
| 1963 | 30.7 C (87.3 F) |
| 1964 | 33.5 C (92.3 F) |
| 1965 | 29.0 C (84.2 F) |
| 1966 | 29.9 C (85.8 F) |
| 1967 | 31.6 C (88.9 F) |
| 1968 | 34.8 C (94.6 F) |
| 1969 | 35.3 C (95.5 F) |
| 1970 | 33.4 C (92.1 F) |
| 1971 | 35.0 C (95.0 F) |
| 1972 | 30.3 C (86.5 F) |
| 1973 | 33.4 C (92.1 F) |
| 1974 | 34.1 C (93.4 F) |
| 1975 | 36.5 C (97.7 F) |
| 1976 | 36.7 C (98.1 F) |
| 1977 | 30.4 C (86.7 F) |
| 1978 | 28.4 C (83.1 F) |
| 1979 | 32.2 C (90.0 F) |
| 1980 | 31.0 C (87.8 F) |
| 1981 | 32.6 C (90.7 F) |
| 1982 | 36.2 C (97.2 F) |
| 1983 | 35.2 C (95.4 F) |
| 1984 | 34.1 C (93.4 F) |
| 1985 | 34.2 C (93.6 F) |
| 1986 | 33.1 C (91.6 F) |
| 1987 | 34.3 C (93.7 F) |
| 1988 | 30.6 C (87.1 F) |
| 1989 | 34.6 C (94.3 F) |
| 1990 | 37.4 C (99.3 F) |
| 1991 | 32.7 C (90.9 F) |
| 1992 | 33.2 C (91.8 F) |
| 1993 | 32.1 C (89.8 F) |
| 1994 | 35.8 C (96.4 F) |
| 1995 | 35.8 C (96.4 F) |
| 1996 | 34.7 C (94.5 F) |
| 1997 | 33.8 C (92.8 F) |
| 1998 | 35.8 C (96.4 F) |
| 1999 | 34.6 C (94.3 F) |
| 2000 | 34.0 C (93.2 F) |
| 2001 | 34.4 C (93.9 F) |
| 2002 | 32.3 C (90.1 F) |
| 2003 | 39.2 C (102.6 F) |
| 2004 | 34.7 C (94.5 F) |
| 2005 | 35.6 C (96.1 F) |
| 2006 | 36.9 C (98.4 F) |
| 2007 | 30.5 C (86.9 F) |
| 2008 | 30.8 C (87.4 F) |
| 2009 | 34.2 C (93.6 F) |
| 2010 | 33.9 C (93.0 F) |
| 2011 | 36.0 C (96.8 F) |
| 2012 | 35.8 C (96.4 F) |
| 2013 | 35.2 C (95.4 F) |
| 2014 | 34.9 C (94.8 F) |
| 2015 | 37.1 C (98.8 F) |
| 2016 | 36.6 C (97.9 F) |
| 2017 | 36.5 C (97.7 F) |
| 2018 | 35.3 C (95.5 F) |
| 2019 | 38.8 C (101.8 F) |
| 2020 | 39.6 C (103.3 F) |
| 2021 | 33.7 C (92.7 F) |
| 2022 | 42.0 C (107.6 F) |
| 2023 | 35.4 C (95.7 F) |
| 2024 | 35.9 C (96.6 F) |
| 2025 | 37.0 C (98.6 F) |
| 2026 | 42.2 C (108.0 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1945 | -6.8 C (19.8 F) |
| 1946 | -10.8 C (12.6 F) |
| 1947 | -11.4 C (11.5 F) |
| 1948 | -11.2 C (11.8 F) |
| 1949 | -5.7 C (21.7 F) |
| 1950 | -9.7 C (14.5 F) |
| 1951 | -4.4 C (24.1 F) |
| 1952 | -5.4 C (22.3 F) |
| 1953 | -6.8 C (19.8 F) |
| 1954 | -10.5 C (13.1 F) |
| 1955 | -7.1 C (19.2 F) |
| 1956 | -15.6 C (3.9 F) |
| 1957 | -9.1 C (15.6 F) |
| 1958 | -5.7 C (21.7 F) |
| 1959 | -4.3 C (24.3 F) |
| 1960 | -7.3 C (18.9 F) |
| 1961 | -5.8 C (21.6 F) |
| 1962 | -10.2 C (13.6 F) |
| 1963 | -12.0 C (10.4 F) |
| 1964 | -7.7 C (18.1 F) |
| 1965 | -7.0 C (19.4 F) |
| 1966 | -8.6 C (16.5 F) |
| 1967 | -5.6 C (21.9 F) |
| 1968 | -6.0 C (21.2 F) |
| 1969 | -8.1 C (17.4 F) |
| 1970 | -8.0 C (17.6 F) |
| 1971 | -7.7 C (18.1 F) |
| 1972 | -6.8 C (19.8 F) |
| 1973 | -4.5 C (23.9 F) |
| 1974 | -3.2 C (26.2 F) |
| 1975 | -4.8 C (23.4 F) |
| 1976 | -5.6 C (21.9 F) |
| 1977 | -5.3 C (22.5 F) |
| 1978 | -7.8 C (18.0 F) |
| 1979 | -7.1 C (19.2 F) |
| 1980 | -8.2 C (17.2 F) |
| 1981 | -4.1 C (24.6 F) |
| 1982 | -2.3 C (27.9 F) |
| 1983 | -4.0 C (24.8 F) |
| 1984 | -4.3 C (24.3 F) |
| 1985 | -13.0 C (8.6 F) |
| 1986 | -12.3 C (9.9 F) |
| 1987 | -11.2 C (11.8 F) |
| 1988 | -5.9 C (21.4 F) |
| 1989 | -2.5 C (27.5 F) |
| 1990 | -3.9 C (25.0 F) |
| 1991 | -9.7 C (14.5 F) |
| 1992 | -5.2 C (22.6 F) |
| 1993 | -6.8 C (19.8 F) |
| 1994 | -3.2 C (26.2 F) |
| 1995 | -6.0 C (21.2 F) |
| 1996 | -9.0 C (15.8 F) |
| 1997 | -11.2 C (11.8 F) |
| 1998 | -5.4 C (22.3 F) |
| 1999 | -4.6 C (23.7 F) |
| 2000 | -3.9 C (25.0 F) |
| 2001 | -6.5 C (20.3 F) |
| 2002 | -2.7 C (27.1 F) |
| 2003 | -7.0 C (19.4 F) |
| 2004 | -4.6 C (23.7 F) |
| 2005 | -9.6 C (14.7 F) |
| 2006 | -4.8 C (23.4 F) |
| 2007 | -6.4 C (20.5 F) |
| 2008 | -4.2 C (24.4 F) |
| 2009 | -8.8 C (16.2 F) |
| 2010 | -7.6 C (18.3 F) |
| 2011 | -6.6 C (20.1 F) |
| 2012 | -8.4 C (16.9 F) |
| 2013 | -3.9 C (25.0 F) |
| 2014 | -6.4 C (20.5 F) |
| 2015 | -4.4 C (24.1 F) |
| 2016 | -4.4 C (24.1 F) |
| 2017 | -6.7 C (19.9 F) |
| 2018 | -7.0 C (19.4 F) |
| 2019 | -3.4 C (25.9 F) |
| 2020 | -2.2 C (28.0 F) |
| 2021 | -5.8 C (21.6 F) |
| 2022 | -6.1 C (21.0 F) |
| 2023 | -4.5 C (23.9 F) |
| 2024 | -5.1 C (22.8 F) |
| 2025 | -4.8 C (23.4 F) |
| 2026 | -6.6 C (20.1 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1945 | 29.0 mm (1.1 in) |
| 1946 | 39.6 mm (1.6 in) |
| 1947 | 36.7 mm (1.4 in) |
| 1948 | 32.1 mm (1.3 in) |
| 1949 | 27.7 mm (1.1 in) |
| 1950 | 56.5 mm (2.2 in) |
| 1951 | 34.5 mm (1.4 in) |
| 1952 | 30.1 mm (1.2 in) |
| 1953 | 31.6 mm (1.2 in) |
| 1954 | 34.3 mm (1.4 in) |
| 1955 | 35.6 mm (1.4 in) |
| 1956 | 39.5 mm (1.6 in) |
| 1957 | 45.9 mm (1.8 in) |
| 1958 | 34.5 mm (1.4 in) |
| 1959 | 24.8 mm (1.0 in) |
| 1960 | 36.0 mm (1.4 in) |
| 1961 | 50.1 mm (2.0 in) |
| 1962 | 31.7 mm (1.2 in) |
| 1963 | 32.4 mm (1.3 in) |
| 1964 | 31.1 mm (1.2 in) |
| 1965 | 28.8 mm (1.1 in) |
| 1966 | 32.8 mm (1.3 in) |
| 1967 | 46.8 mm (1.8 in) |
| 1968 | 35.9 mm (1.4 in) |
| 1969 | 28.3 mm (1.1 in) |
| 1970 | 53.4 mm (2.1 in) |
| 1971 | 35.5 mm (1.4 in) |
| 1972 | 22.3 mm (0.9 in) |
| 1973 | 29.2 mm (1.1 in) |
| 1974 | 25.2 mm (1.0 in) |
| 1975 | 48.2 mm (1.9 in) |
| 1976 | 33.3 mm (1.3 in) |
| 1977 | 94.9 mm (3.7 in) |
| 1978 | 34.6 mm (1.4 in) |
| 1979 | 42.5 mm (1.7 in) |
| 1980 | 35.5 mm (1.4 in) |
| 1981 | 46.7 mm (1.8 in) |
| 1982 | 45.1 mm (1.8 in) |
| 1983 | 36.4 mm (1.4 in) |
| 1984 | 28.6 mm (1.1 in) |
| 1985 | 26.8 mm (1.1 in) |
| 1986 | 41.5 mm (1.6 in) |
| 1987 | 36.2 mm (1.4 in) |
| 1988 | 32.8 mm (1.3 in) |
| 1989 | 31.3 mm (1.2 in) |
| 1990 | 28.0 mm (1.1 in) |
| 1991 | 36.6 mm (1.4 in) |
| 1992 | 38.6 mm (1.5 in) |
| 1993 | 41.0 mm (1.6 in) |
| 1994 | 31.4 mm (1.2 in) |
| 1995 | 50.0 mm (2.0 in) |
| 1996 | 33.2 mm (1.3 in) |
| 1997 | 31.8 mm (1.3 in) |
| 1998 | 38.0 mm (1.5 in) |
| 1999 | 35.8 mm (1.4 in) |
| 2000 | 30.0 mm (1.2 in) |
| 2001 | 34.2 mm (1.3 in) |
| 2002 | 29.8 mm (1.2 in) |
| 2003 | 33.6 mm (1.3 in) |
| 2004 | 26.2 mm (1.0 in) |
| 2005 | 34.2 mm (1.3 in) |
| 2006 | 26.6 mm (1.0 in) |
| 2007 | 39.6 mm (1.6 in) |
| 2008 | 38.4 mm (1.5 in) |
| 2009 | 35.4 mm (1.4 in) |
| 2010 | 29.8 mm (1.2 in) |
| 2011 | 37.0 mm (1.5 in) |
| 2012 | 33.9 mm (1.3 in) |
| 2013 | 32.8 mm (1.3 in) |
| 2014 | 34.9 mm (1.4 in) |
| 2015 | 43.6 mm (1.7 in) |
| 2016 | 54.5 mm (2.1 in) |
| 2017 | 24.2 mm (1.0 in) |
| 2018 | 70.1 mm (2.8 in) |
| 2019 | 29.3 mm (1.2 in) |
| 2020 | 47.4 mm (1.9 in) |
| 2021 | 96.7 mm (3.8 in) |
| 2022 | 27.8 mm (1.1 in) |
| 2023 | 27.6 mm (1.1 in) |
| 2024 | 69.5 mm (2.7 in) |
| 2025 | 34.6 mm (1.4 in) |
| 2026 | 23.7 mm (0.9 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1945 | 62.6 mm (2.5 in) |
| 1946 | 54.5 mm (2.1 in) |
| 1947 | 55.1 mm (2.2 in) |
| 1948 | 53.0 mm (2.1 in) |
| 1949 | 58.6 mm (2.3 in) |
| 1950 | 72.2 mm (2.8 in) |
| 1951 | 65.2 mm (2.6 in) |
| 1952 | 81.6 mm (3.2 in) |
| 1953 | 53.9 mm (2.1 in) |
| 1954 | 70.6 mm (2.8 in) |
| 1955 | 81.6 mm (3.2 in) |
| 1956 | 79.1 mm (3.1 in) |
| 1957 | 110.7 mm (4.4 in) |
| 1958 | 66.7 mm (2.6 in) |
| 1959 | 59.7 mm (2.4 in) |
| 1960 | 78.2 mm (3.1 in) |
| 1961 | 89.8 mm (3.5 in) |
| 1962 | 81.4 mm (3.2 in) |
| 1963 | 50.6 mm (2.0 in) |
| 1964 | 46.0 mm (1.8 in) |
| 1965 | 65.2 mm (2.6 in) |
| 1966 | 78.4 mm (3.1 in) |
| 1967 | 68.7 mm (2.7 in) |
| 1968 | 69.4 mm (2.7 in) |
| 1969 | 56.6 mm (2.2 in) |
| 1970 | 80.8 mm (3.2 in) |
| 1971 | 60.3 mm (2.4 in) |
| 1972 | 56.2 mm (2.2 in) |
| 1973 | 46.0 mm (1.8 in) |
| 1974 | 83.1 mm (3.3 in) |
| 1975 | 56.4 mm (2.2 in) |
| 1976 | 62.9 mm (2.5 in) |
| 1977 | 121.1 mm (4.8 in) |
| 1978 | 69.9 mm (2.8 in) |
| 1979 | 69.3 mm (2.7 in) |
| 1980 | 60.8 mm (2.4 in) |
| 1981 | 84.1 mm (3.3 in) |
| 1982 | 55.7 mm (2.2 in) |
| 1983 | 94.5 mm (3.7 in) |
| 1984 | 65.3 mm (2.6 in) |
| 1985 | 52.5 mm (2.1 in) |
| 1986 | 81.6 mm (3.2 in) |
| 1987 | 93.5 mm (3.7 in) |
| 1988 | 81.0 mm (3.2 in) |
| 1989 | 86.0 mm (3.4 in) |
| 1990 | 83.6 mm (3.3 in) |
| 1991 | 61.2 mm (2.4 in) |
| 1992 | 79.0 mm (3.1 in) |
| 1993 | 77.4 mm (3.0 in) |
| 1994 | 66.0 mm (2.6 in) |
| 1995 | 83.0 mm (3.3 in) |
| 1996 | 53.8 mm (2.1 in) |
| 1997 | 54.4 mm (2.1 in) |
| 1998 | 79.0 mm (3.1 in) |
| 1999 | 91.2 mm (3.6 in) |
| 2000 | 61.0 mm (2.4 in) |
| 2001 | 72.0 mm (2.8 in) |
| 2002 | 64.0 mm (2.5 in) |
| 2003 | 53.4 mm (2.1 in) |
| 2004 | 55.4 mm (2.2 in) |
| 2005 | 43.6 mm (1.7 in) |
| 2006 | 62.0 mm (2.4 in) |
| 2007 | 67.4 mm (2.7 in) |
| 2008 | 55.0 mm (2.2 in) |
| 2009 | 77.8 mm (3.1 in) |
| 2010 | 77.8 mm (3.1 in) |
| 2011 | 74.5 mm (2.9 in) |
| 2012 | 75.7 mm (3.0 in) |
| 2013 | 81.4 mm (3.2 in) |
| 2014 | 55.2 mm (2.2 in) |
| 2015 | 112.7 mm (4.4 in) |
| 2016 | 67.3 mm (2.6 in) |
| 2017 | 45.3 mm (1.8 in) |
| 2018 | 92.7 mm (3.6 in) |
| 2019 | 60.0 mm (2.4 in) |
| 2020 | 91.7 mm (3.6 in) |
| 2021 | 115.8 mm (4.6 in) |
| 2022 | 53.8 mm (2.1 in) |
| 2023 | 74.9 mm (2.9 in) |
| 2024 | 102.2 mm (4.0 in) |
| 2025 | 85.0 mm (3.3 in) |
| 2026 | 71.1 mm (2.8 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1945 | 23 days |
| 1946 | 14 days |
| 1947 | 25 days |
| 1948 | 32 days |
| 1949 | 34 days |
| 1950 | 17 days |
| 1951 | 13 days |
| 1952 | 27 days |
| 1953 | 34 days |
| 1954 | 25 days |
| 1955 | 46 days |
| 1956 | 16 days |
| 1957 | 18 days |
| 1958 | 26 days |
| 1959 | 30 days |
| 1960 | 25 days |
| 1961 | 26 days |
| 1962 | 42 days |
| 1963 | 27 days |
| 1964 | 27 days |
| 1965 | 30 days |
| 1966 | 22 days |
| 1967 | 24 days |
| 1968 | 21 days |
| 1969 | 20 days |
| 1970 | 23 days |
| 1971 | 17 days |
| 1972 | 14 days |
| 1973 | 26 days |
| 1974 | 19 days |
| 1975 | 21 days |
| 1976 | 41 days |
| 1977 | 20 days |
| 1978 | 36 days |
| 1979 | 26 days |
| 1980 | 15 days |
| 1981 | 17 days |
| 1982 | 27 days |
| 1983 | 38 days |
| 1984 | 26 days |
| 1985 | 21 days |
| 1986 | 19 days |
| 1987 | 25 days |
| 1988 | 30 days |
| 1989 | 35 days |
| 1990 | 37 days |
| 1991 | 26 days |
| 1992 | 28 days |
| 1993 | 29 days |
| 1994 | 19 days |
| 1995 | 20 days |
| 1996 | 34 days |
| 1997 | 32 days |
| 1998 | 33 days |
| 1999 | 25 days |
| 2000 | 19 days |
| 2001 | 19 days |
| 2002 | 21 days |
| 2003 | 27 days |
| 2004 | 20 days |
| 2005 | 22 days |
| 2006 | 15 days |
| 2007 | 20 days |
| 2008 | 18 days |
| 2009 | 30 days |
| 2010 | 19 days |
| 2011 | 27 days |
| 2012 | 22 days |
| 2013 | 21 days |
| 2014 | 31 days |
| 2015 | 18 days |
| 2016 | 25 days |
| 2017 | 28 days |
| 2018 | 22 days |
| 2019 | 30 days |
| 2020 | 30 days |
| 2021 | 22 days |
| 2022 | 33 days |
| 2023 | 28 days |
| 2024 | 23 days |
| 2025 | 21 days |
| 2026 | 53 days |
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
79 years with a frostAcross 79 years with a frost, the median last spring frost at Nantes-Bouguenais falls on 30 March and the median first autumn frost on 15 November, which leaves a median of 232 days between them.
In 1995 to 2025 the median growing season was 235 days. That is 7 days more than in 1946 to 1975.
Fitted over all years, the growing season changes by +1.8 days per decade at this station.
| Measure | Median, all years | Earliest period (1946 to 1975) | Recent period (1995 to 2025) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 30 March | 1 April | 31 March | 1 day earlier | +0.1 days per decade |
| First autumn frost | 15 November | 11 November | 19 November | 8 days later | +1.9 days per decade |
| Growing days | 232 days | 228 days | 235 days | 7 days more | +1.8 days per decade |
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
80 years, 1946 to 2025A day with at least 34.2 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 90.5 mm (3.6 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 34.2 mm (1.3 in) | |
| 5 years | 43.2 mm (1.7 in) | |
| 10 years | 51.0 mm (2.0 in) | |
| 25 years | 63.8 mm (2.5 in) | |
| 50 years | 75.8 mm (3.0 in) | |
| 100 years | 90.5 mm (3.6 in) | Longer than the 80 years of record |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 80 years of values from 1946 to 2025.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 96.7 mm (3.8 in) in 2021; 94.9 mm (3.7 in) in 1977; 70.1 mm (2.8 in) in 2018.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Climate Twins
2011 to 2025 against 1961 to 1990Over 2011 to 2025, Nantes-Bouguenais had a mean temperature of 13.3 C (56.0 F) and 817.0 mm (32.2 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Pte de Chassiron (France, 124 km away), Bordeaux-Merignac (France, 313 km away) and Saint Marys College (United States, 8,873 km away).
| Twin station | Country | Distance away | Mean temperature, 1961-1990 | Rain a year, 1961-1990 | Climate difference |
|---|---|---|---|---|---|
| Pte de Chassiron | France | 124 km (77 mi) | 12.9 C (55.2 F) | 706.8 mm (27.8 in) | 0.81 |
| Bordeaux-Merignac | France | 313 km (194 mi) | 12.7 C (54.9 F) | 923.5 mm (36.4 in) | 0.84 |
| Saint Marys College | United States | 8,873 km (5,513 mi) | 13.5 C (56.3 F) | 714.9 mm (28.1 in) | 0.87 |
Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-14).