Brest-Guipavas Threshold Days by Year
10 fixed thresholds counted per year at Brest-Guipavas (FRE00104484): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Brest-Guipavas Thresholds
- Brest-Guipavas: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1960 with 53.
- Brest-Guipavas: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1959 with 13.
- Brest-Guipavas: nights with a minimum temperature at or below 0 C (32 F) in 81 years, most in 1963 with 48.
- Brest-Guipavas: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1976 with 6.
- 10 fixed thresholds have at least one qualifying day at Brest-Guipavas.
Days at or above 30 C (86 F)
33 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1948 | 1 | 1.5 |
| 1949 | 2 | 1.5 |
| 1955 | 5 | 2.3 |
| 1957 | 1 | 2.3 |
| 1959 | 1 | 2.3 |
| 1961 | 2 | 2 |
| 1971 | 1 | 2.8 |
| 1973 | 2 | 2.8 |
| 1975 | 2 | 2.8 |
| 1976 | 6 | 2.8 |
| 1983 | 5 | 2.5 |
| 1984 | 1 | 2.5 |
| 1986 | 1 | 2.5 |
| 1989 | 3 | 2.5 |
| 1990 | 5 | 2.7 |
| 1995 | 2 | 2.7 |
| 1998 | 1 | 2.7 |
| 2003 | 3 | 2.3 |
| 2004 | 1 | 2.3 |
| 2005 | 2 | 2.3 |
| 2006 | 3 | 2.3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 5.4 |
| 2021 | 5 | 5.4 |
| 2022 | 5 | 5.4 |
| 2023 | 1 | 5.4 |
| 2024 | 1 | 5.4 |
| 2025 | 6 | 5.4 |
| 2026 | 18 | 5.4 |
| Year | First date | Last date |
|---|---|---|
| 1948 | 1948-07-28 | 1948-07-28 |
| 1949 | 1949-07-11 | 1949-07-12 |
| 1955 | 1955-08-20 | 1955-08-24 |
| 1957 | 1957-08-03 | 1957-08-03 |
| 1959 | 1959-07-04 | 1959-07-04 |
| 1961 | 1961-08-31 | 1961-09-01 |
| 1971 | 1971-07-08 | 1971-07-08 |
| 1973 | 1973-08-13 | 1973-08-14 |
| 1975 | 1975-08-02 | 1975-08-03 |
| 1976 | 1976-06-25 | 1976-06-30 |
| 1983 | 1983-07-09 | 1983-07-15 |
| 1984 | 1984-08-19 | 1984-08-19 |
| 1986 | 1986-06-26 | 1986-06-26 |
| 1989 | 1989-07-17 | 1989-07-20 |
| 1990 | 1990-07-14 | 1990-08-03 |
| 1995 | 1995-06-29 | 1995-07-25 |
| 1998 | 1998-08-09 | 1998-08-09 |
| 2003 | 2003-07-13 | 2003-08-08 |
| 2004 | 2004-08-01 | 2004-08-01 |
| 2005 | 2005-06-18 | 2005-07-14 |
| 2006 | 2006-07-01 | 2006-07-18 |
| 2015 | 2015-06-30 | 2015-06-30 |
| 2016 | 2016-07-18 | 2016-08-16 |
| 2017 | 2017-06-19 | 2017-06-20 |
| 2018 | 2018-08-05 | 2018-08-05 |
| 2019 | 2019-06-27 | 2019-07-23 |
| 2020 | 2020-07-30 | 2020-09-14 |
| 2021 | 2021-07-20 | 2021-09-07 |
| 2022 | 2022-06-17 | 2022-08-12 |
| 2023 | 2023-09-04 | 2023-09-04 |
| 2024 | 2024-08-11 | 2024-08-11 |
| 2025 | 2025-06-19 | 2025-08-17 |
| 2026 | 2026-05-25 | 2026-08-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 33 | 6 | 1976 | 18 |
| 35 C (95 F): Days | 3 | 1 | 1949 | 1 |
| 90 F (32.2 C): Days | 17 | 5 | 2022 | 8 |
| 0 C (32 F): Ice days (max | 14 | 4 | 1956 | 1 |
| 0 C (32 F): Frost days (min | 81 | 48 | 1963 | 5 |
| -10 C (14 F): Days with min | 4 | 3 | 1947 | 1 |
| 20 C (68 F): Tropical nights (min | 5 | 2 | 1990 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 82 | 53 | 1960 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 82 | 13 | 1959 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 14 | 3 | 1959 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.
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). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-14).