Rennes-St Jacques Threshold Days by Year (FR000007130)
13 fixed thresholds counted per year at Rennes-St Jacques (FR000007130): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rennes-St Jacques Thresholds
- Rennes-St Jacques: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1963 with 68.
- Rennes-St Jacques: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1951 with 28.
- Rennes-St Jacques: days with a maximum temperature at or above 30 C (86 F) in 76 years, most in 2022 with 24.
- Rennes-St Jacques: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1993 with 6.
- 13 fixed thresholds have at least one qualifying day at Rennes-St Jacques.
Days at or above 30 C (86 F)
76 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 3 | 9.2 |
| 1946 | 3 | 9.2 |
| 1947 | 18 | 9.2 |
| 1948 | 3 | 9.2 |
| 1949 | 19 | 9.2 |
| 1950 | 2 | 5.7 |
| 1952 | 6 | 5.7 |
| 1953 | 4 | 5.7 |
| 1955 | 8 | 5.7 |
| 1956 | 2 | 5.7 |
| 1957 | 7 | 5.7 |
| 1959 | 11 | 5.7 |
| 1960 | 2 | 3.5 |
| 1961 | 9 | 3.5 |
| 1962 | 1 | 3.5 |
| 1963 | 1 | 3.5 |
| 1964 | 5 | 3.5 |
| 1967 | 1 | 3.5 |
| 1968 | 4 | 3.5 |
| 1969 | 5 | 3.5 |
| 1970 | 2 | 5.6 |
| 1971 | 6 | 5.6 |
| 1972 | 1 | 5.6 |
| 1973 | 6 | 5.6 |
| 1974 | 1 | 5.6 |
| 1975 | 9 | 5.6 |
| 1976 | 22 | 5.6 |
| 1977 | 1 | 5.6 |
| 1979 | 2 | 5.6 |
| 1980 | 2 | 5.2 |
| 1981 | 3 | 5.2 |
| 1982 | 7 | 5.2 |
| 1983 | 10 | 5.2 |
| 1984 | 6 | 5.2 |
| 1985 | 2 | 5.2 |
| 1986 | 4 | 5.2 |
| 1987 | 4 | 5.2 |
| 1988 | 1 | 5.2 |
| 1989 | 13 | 5.2 |
| 1990 | 21 | 10.3 |
| 1991 | 9 | 10.3 |
| 1992 | 8 | 10.3 |
| 1993 | 2 | 10.3 |
| 1994 | 7 | 10.3 |
| 1995 | 23 | 10.3 |
| 1996 | 8 | 10.3 |
| 1997 | 10 | 10.3 |
| 1998 | 5 | 10.3 |
| 1999 | 10 | 10.3 |
| 2000 | 5 | 9.3 |
| 2001 | 11 | 9.3 |
| 2002 | 2 | 9.3 |
| 2003 | 23 | 9.3 |
| 2004 | 11 | 9.3 |
| 2005 | 15 | 9.3 |
| 2006 | 17 | 9.3 |
| 2007 | 1 | 9.3 |
| 2008 | 1 | 9.3 |
| 2009 | 7 | 9.3 |
| 2010 | 6 | 8 |
| 2011 | 4 | 8 |
| 2012 | 4 | 8 |
| 2013 | 10 | 8 |
| 2014 | 1 | 8 |
| 2015 | 8 | 8 |
| 2016 | 10 | 8 |
| 2017 | 13 | 8 |
| 2018 | 11 | 8 |
| 2019 | 13 | 8 |
| 2020 | 12 | 19.6 |
| 2021 | 9 | 19.6 |
| 2022 | 24 | 19.6 |
| 2023 | 17 | 19.6 |
| 2024 | 7 | 19.6 |
| 2025 | 23 | 19.6 |
| 2026 | 45 | 19.6 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-06-19 | 1945-08-27 |
| 1946 | 1946-07-02 | 1946-07-13 |
| 1947 | 1947-05-29 | 1947-09-15 |
| 1948 | 1948-07-26 | 1948-07-28 |
| 1949 | 1949-06-29 | 1949-09-04 |
| 1950 | 1950-06-05 | 1950-06-29 |
| 1952 | 1952-06-28 | 1952-07-21 |
| 1953 | 1953-05-25 | 1953-09-01 |
| 1955 | 1955-07-13 | 1955-08-24 |
| 1956 | 1956-07-08 | 1956-07-26 |
| 1957 | 1957-06-28 | 1957-08-03 |
| 1959 | 1959-07-04 | 1959-07-26 |
| 1960 | 1960-06-18 | 1960-06-22 |
| 1961 | 1961-06-25 | 1961-09-18 |
| 1962 | 1962-09-02 | 1962-09-02 |
| 1963 | 1963-07-31 | 1963-07-31 |
| 1964 | 1964-07-16 | 1964-08-26 |
| 1967 | 1967-07-12 | 1967-07-12 |
| 1968 | 1968-06-30 | 1968-08-23 |
| 1969 | 1969-07-14 | 1969-08-10 |
| 1970 | 1970-07-06 | 1970-08-03 |
| 1971 | 1971-07-08 | 1971-07-30 |
| 1972 | 1972-07-17 | 1972-07-17 |
| 1973 | 1973-07-04 | 1973-09-07 |
| 1974 | 1974-08-15 | 1974-08-15 |
| 1975 | 1975-07-29 | 1975-08-07 |
| 1976 | 1976-06-08 | 1976-08-26 |
| 1977 | 1977-07-03 | 1977-07-03 |
| 1979 | 1979-07-26 | 1979-07-27 |
| 1980 | 1980-06-04 | 1980-07-25 |
| 1981 | 1981-07-30 | 1981-08-05 |
| 1982 | 1982-06-09 | 1982-09-18 |
| 1983 | 1983-07-09 | 1983-07-31 |
| 1984 | 1984-07-22 | 1984-09-02 |
| 1985 | 1985-07-13 | 1985-07-25 |
| 1986 | 1986-06-20 | 1986-06-28 |
| 1987 | 1987-06-29 | 1987-08-21 |
| 1988 | 1988-08-07 | 1988-08-07 |
| 1989 | 1989-06-12 | 1989-08-20 |
| 1990 | 1990-07-13 | 1990-08-29 |
| 1991 | 1991-07-10 | 1991-09-05 |
| 1992 | 1992-05-16 | 1992-08-08 |
| 1993 | 1993-08-20 | 1993-08-21 |
| 1994 | 1994-06-24 | 1994-08-08 |
| 1995 | 1995-06-26 | 1995-08-20 |
| 1996 | 1996-06-06 | 1996-08-19 |
| 1997 | 1997-07-29 | 1997-09-19 |
| 1998 | 1998-06-19 | 1998-08-10 |
| 1999 | 1999-07-02 | 1999-09-11 |
| 2000 | 2000-06-18 | 2000-09-11 |
| 2001 | 2001-06-23 | 2001-08-25 |
| 2002 | 2002-06-17 | 2002-07-27 |
| 2003 | 2003-05-30 | 2003-09-20 |
| 2004 | 2004-06-07 | 2004-09-09 |
| 2005 | 2005-06-18 | 2005-09-03 |
| 2006 | 2006-06-12 | 2006-09-10 |
| 2007 | 2007-08-05 | 2007-08-05 |
| 2008 | 2008-07-24 | 2008-07-24 |
| 2009 | 2009-06-30 | 2009-09-08 |
| 2010 | 2010-06-26 | 2010-07-19 |
| 2011 | 2011-06-26 | 2011-10-02 |
| 2012 | 2012-07-25 | 2012-08-18 |
| 2013 | 2013-07-14 | 2013-09-04 |
| 2014 | 2014-07-17 | 2014-07-17 |
| 2015 | 2015-06-30 | 2015-08-22 |
| 2016 | 2016-07-18 | 2016-09-12 |
| 2017 | 2017-06-18 | 2017-08-29 |
| 2018 | 2018-06-27 | 2018-08-06 |
| 2019 | 2019-06-01 | 2019-08-27 |
| 2020 | 2020-06-24 | 2020-09-17 |
| 2021 | 2021-06-14 | 2021-09-07 |
| 2022 | 2022-05-17 | 2022-09-12 |
| 2023 | 2023-06-08 | 2023-10-02 |
| 2024 | 2024-06-26 | 2024-08-11 |
| 2025 | 2025-05-30 | 2025-08-25 |
| 2026 | 2026-05-23 | 2026-08-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 76 | 24 | 2022 | 45 |
| 35 C (95 F): Days | 21 | 8 | 2022 | 15 |
| 40 C (104 F): Days | 3 | 1 | 2019 | 4 |
| 90 F (32.2 C): Days | 54 | 13 | 2022 | 27 |
| 100 F (37.8 C): Days | 7 | 3 | 2003 | 8 |
| 0 C (32 F): Ice days (max | 41 | 11 | 1947 | 2 |
| 0 C (32 F): Frost days (min | 82 | 68 | 1963 | 9 |
| -10 C (14 F): Days with min | 13 | 7 | 1963 | 1 |
| 20 C (68 F): Tropical nights (min | 26 | 4 | 1983 | 9 |
| 25 C (77 F): Days with min | 1 | 0 | n/a | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 82 | 28 | 1951 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 67 | 6 | 1993 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1993 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.
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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).