Hannover Threshold Days by Year (GME00102244)
12 fixed thresholds counted per year at Hannover (GME00102244): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hannover Thresholds
- Hannover: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1996 with 116.
- Hannover: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1961 with 29.
- Hannover: days with a maximum temperature at or below 0 C (32 F) in 86 years, most in 1963 with 68.
- Hannover: days with a maximum temperature at or above 30 C (86 F) in 77 years, most in 2018 with 22.
- 12 fixed thresholds have at least one qualifying day at Hannover.
Days at or above 30 C (86 F)
77 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1936 | 2 | 6 |
| 1937 | 5 | 6 |
| 1938 | 12 | 6 |
| 1939 | 5 | 6 |
| 1943 | 13 | 8.8 |
| 1944 | 10 | 8.8 |
| 1946 | 3 | 8.8 |
| 1947 | 18 | 8.8 |
| 1948 | 5 | 8.8 |
| 1949 | 4 | 8.8 |
| 1951 | 2 | 4.2 |
| 1952 | 3 | 4.2 |
| 1953 | 5 | 4.2 |
| 1954 | 3 | 4.2 |
| 1957 | 6 | 4.2 |
| 1959 | 6 | 4.2 |
| 1960 | 1 | 3.7 |
| 1961 | 3 | 3.7 |
| 1963 | 3 | 3.7 |
| 1964 | 9 | 3.7 |
| 1966 | 2 | 3.7 |
| 1967 | 1 | 3.7 |
| 1969 | 7 | 3.7 |
| 1970 | 2 | 5 |
| 1971 | 5 | 5 |
| 1972 | 5 | 5 |
| 1973 | 5 | 5 |
| 1974 | 2 | 5 |
| 1975 | 11 | 5 |
| 1976 | 10 | 5 |
| 1978 | 3 | 5 |
| 1979 | 2 | 5 |
| 1980 | 1 | 5 |
| 1981 | 1 | 5 |
| 1982 | 10 | 5 |
| 1983 | 12 | 5 |
| 1984 | 2 | 5 |
| 1985 | 3 | 5 |
| 1986 | 8 | 5 |
| 1987 | 1 | 5 |
| 1989 | 7 | 5 |
| 1990 | 7 | 6.9 |
| 1991 | 3 | 6.9 |
| 1992 | 6 | 6.9 |
| 1994 | 17 | 6.9 |
| 1995 | 13 | 6.9 |
| 1996 | 2 | 6.9 |
| 1997 | 3 | 6.9 |
| 1998 | 6 | 6.9 |
| 1999 | 5 | 6.9 |
| 2000 | 5 | 7 |
| 2001 | 4 | 7 |
| 2002 | 7 | 7 |
| 2003 | 17 | 7 |
| 2004 | 3 | 7 |
| 2005 | 6 | 7 |
| 2006 | 12 | 7 |
| 2007 | 4 | 7 |
| 2008 | 7 | 7 |
| 2009 | 5 | 7 |
| 2010 | 10 | 9.4 |
| 2011 | 3 | 9.4 |
| 2012 | 4 | 9.4 |
| 2013 | 8 | 9.4 |
| 2014 | 4 | 9.4 |
| 2015 | 11 | 9.4 |
| 2016 | 10 | 9.4 |
| 2017 | 3 | 9.4 |
| 2018 | 22 | 9.4 |
| 2019 | 19 | 9.4 |
| 2020 | 12 | 10.4 |
| 2021 | 3 | 10.4 |
| 2022 | 19 | 10.4 |
| 2023 | 10 | 10.4 |
| 2024 | 8 | 10.4 |
| 2025 | 7 | 10.4 |
| 2026 | 14 | 10.4 |
| Year | First date | Last date |
|---|---|---|
| 1936 | 1936-06-22 | 1936-07-18 |
| 1937 | 1937-06-07 | 1937-08-08 |
| 1938 | 1938-05-15 | 1938-08-08 |
| 1939 | 1939-06-06 | 1939-07-30 |
| 1943 | 1943-05-14 | 1943-08-21 |
| 1944 | 1944-05-30 | 1944-08-26 |
| 1946 | 1946-07-01 | 1946-07-04 |
| 1947 | 1947-06-01 | 1947-09-20 |
| 1948 | 1948-06-09 | 1948-08-02 |
| 1949 | 1949-08-08 | 1949-09-06 |
| 1951 | 1951-07-11 | 1951-08-30 |
| 1952 | 1952-07-02 | 1952-08-12 |
| 1953 | 1953-07-03 | 1953-09-02 |
| 1954 | 1954-06-19 | 1954-08-06 |
| 1957 | 1957-06-18 | 1957-07-07 |
| 1959 | 1959-07-08 | 1959-07-27 |
| 1960 | 1960-07-30 | 1960-07-30 |
| 1961 | 1961-07-01 | 1961-08-31 |
| 1963 | 1963-07-24 | 1963-08-03 |
| 1964 | 1964-06-13 | 1964-08-28 |
| 1966 | 1966-06-17 | 1966-08-13 |
| 1967 | 1967-07-19 | 1967-07-19 |
| 1969 | 1969-07-23 | 1969-08-05 |
| 1970 | 1970-06-20 | 1970-06-22 |
| 1971 | 1971-07-09 | 1971-08-19 |
| 1972 | 1972-07-18 | 1972-07-22 |
| 1973 | 1973-06-27 | 1973-08-17 |
| 1974 | 1974-08-15 | 1974-08-16 |
| 1975 | 1975-07-08 | 1975-08-12 |
| 1976 | 1976-06-25 | 1976-07-17 |
| 1978 | 1978-07-29 | 1978-07-31 |
| 1979 | 1979-06-03 | 1979-06-04 |
| 1980 | 1980-08-02 | 1980-08-02 |
| 1981 | 1981-08-07 | 1981-08-07 |
| 1982 | 1982-06-02 | 1982-08-12 |
| 1983 | 1983-07-07 | 1983-08-20 |
| 1984 | 1984-07-09 | 1984-07-31 |
| 1985 | 1985-05-27 | 1985-08-14 |
| 1986 | 1986-06-17 | 1986-08-03 |
| 1987 | 1987-06-30 | 1987-06-30 |
| 1989 | 1989-06-26 | 1989-08-21 |
| 1990 | 1990-07-28 | 1990-08-29 |
| 1991 | 1991-07-07 | 1991-08-06 |
| 1992 | 1992-06-30 | 1992-08-09 |
| 1994 | 1994-06-25 | 1994-08-05 |
| 1995 | 1995-07-09 | 1995-08-23 |
| 1996 | 1996-06-07 | 1996-06-08 |
| 1997 | 1997-08-13 | 1997-08-25 |
| 1998 | 1998-06-21 | 1998-08-12 |
| 1999 | 1999-07-03 | 1999-08-04 |
| 2000 | 2000-06-10 | 2000-08-14 |
| 2001 | 2001-08-15 | 2001-08-26 |
| 2002 | 2002-06-18 | 2002-08-20 |
| 2003 | 2003-06-04 | 2003-08-12 |
| 2004 | 2004-08-05 | 2004-08-10 |
| 2005 | 2005-05-28 | 2005-09-07 |
| 2006 | 2006-06-13 | 2006-07-30 |
| 2007 | 2007-06-09 | 2007-07-16 |
| 2008 | 2008-07-02 | 2008-08-07 |
| 2009 | 2009-07-03 | 2009-09-01 |
| 2010 | 2010-07-02 | 2010-07-21 |
| 2011 | 2011-06-05 | 2011-08-26 |
| 2012 | 2012-07-25 | 2012-08-19 |
| 2013 | 2013-06-19 | 2013-09-06 |
| 2014 | 2014-06-08 | 2014-07-20 |
| 2015 | 2015-06-05 | 2015-08-31 |
| 2016 | 2016-06-23 | 2016-09-14 |
| 2017 | 2017-05-29 | 2017-07-19 |
| 2018 | 2018-05-28 | 2018-09-18 |
| 2019 | 2019-06-02 | 2019-08-31 |
| 2020 | 2020-06-27 | 2020-09-15 |
| 2021 | 2021-06-17 | 2021-06-19 |
| 2022 | 2022-06-18 | 2022-08-24 |
| 2023 | 2023-07-08 | 2023-09-11 |
| 2024 | 2024-06-26 | 2024-09-05 |
| 2025 | 2025-06-14 | 2025-08-14 |
| 2026 | 2026-06-19 | 2026-08-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 77 | 22 | 2018 | 14 |
| 35 C (95 F): Days | 16 | 3 | 1943 | 3 |
| 90 F (32.2 C): Days | 52 | 10 | 2018 | 9 |
| 100 F (37.8 C): Days | 3 | 1 | 1943 | 1 |
| 0 C (32 F): Ice days (max | 86 | 68 | 1963 | 20 |
| 0 C (32 F): Frost days (min | 88 | 116 | 1996 | 49 |
| -10 C (14 F): Days with min | 69 | 45 | 1963 | 2 |
| -20 C (-4 F): Days with min | 10 | 6 | 1956 | 1 |
| 20 C (68 F): Tropical nights (min | 12 | 4 | 2010 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 88 | 29 | 1961 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 69 | 4 | 1960 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 1 | 1936 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.
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 (2026-10-13).