Houston William P Hobby AP Threshold Days by Year (USW00012918)
16 fixed thresholds counted per year at Houston William P Hobby AP (USW00012918): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Houston William P Hobby AP Thresholds
- Houston William P Hobby AP: days with a maximum temperature at or above 30 C (86 F) in 89 years, most in 2025 with 182.
- Houston William P Hobby AP: days with a maximum temperature at or above 35 C (95 F) in 89 years, most in 2023 with 97.
- Houston William P Hobby AP: days with a maximum temperature at or above 90 F (32.2 C) in 89 years, most in 2025 with 136.
- Houston William P Hobby AP: nights with a minimum temperature at or above 20 C (68 F) in 89 years, most in 2025 with 193.
- 16 fixed thresholds have at least one qualifying day at Houston William P Hobby AP.
Days at or above 30 C (86 F)
89 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1931 | 126 | 136 |
| 1932 | 127 | 136 |
| 1933 | 151 | 136 |
| 1934 | 153 | 136 |
| 1935 | 121 | 136 |
| 1936 | 130 | 136 |
| 1939 | 144 | 136 |
| 1940 | 112 | 137.2 |
| 1941 | 133 | 137.2 |
| 1947 | 148 | 137.2 |
| 1948 | 151 | 137.2 |
| 1949 | 142 | 137.2 |
| 1950 | 147 | 137.4 |
| 1951 | 143 | 137.4 |
| 1952 | 129 | 137.4 |
| 1953 | 135 | 137.4 |
| 1954 | 139 | 137.4 |
| 1955 | 154 | 137.4 |
| 1956 | 148 | 137.4 |
| 1957 | 117 | 137.4 |
| 1958 | 131 | 137.4 |
| 1959 | 131 | 137.4 |
| 1960 | 132 | 145.4 |
| 1961 | 147 | 145.4 |
| 1962 | 154 | 145.4 |
| 1963 | 177 | 145.4 |
| 1964 | 127 | 145.4 |
| 1965 | 147 | 145.4 |
| 1966 | 133 | 145.4 |
| 1967 | 151 | 145.4 |
| 1968 | 138 | 145.4 |
| 1969 | 148 | 145.4 |
| 1970 | 127 | 134.7 |
| 1971 | 130 | 134.7 |
| 1972 | 153 | 134.7 |
| 1973 | 148 | 134.7 |
| 1974 | 139 | 134.7 |
| 1975 | 126 | 134.7 |
| 1976 | 111 | 134.7 |
| 1977 | 145 | 134.7 |
| 1978 | 145 | 134.7 |
| 1979 | 123 | 134.7 |
| 1980 | 143 | 131.2 |
| 1981 | 139 | 131.2 |
| 1982 | 133 | 131.2 |
| 1983 | 114 | 131.2 |
| 1984 | 132 | 131.2 |
| 1985 | 131 | 131.2 |
| 1986 | 130 | 131.2 |
| 1987 | 131 | 131.2 |
| 1988 | 133 | 131.2 |
| 1989 | 126 | 131.2 |
| 1990 | 140 | 139.1 |
| 1991 | 146 | 139.1 |
| 1992 | 127 | 139.1 |
| 1993 | 132 | 139.1 |
| 1994 | 134 | 139.1 |
| 1995 | 137 | 139.1 |
| 1996 | 146 | 139.1 |
| 1997 | 125 | 139.1 |
| 1998 | 154 | 139.1 |
| 1999 | 150 | 139.1 |
| 2000 | 145 | 142.7 |
| 2001 | 127 | 142.7 |
| 2002 | 137 | 142.7 |
| 2003 | 143 | 142.7 |
| 2004 | 145 | 142.7 |
| 2005 | 156 | 142.7 |
| 2006 | 147 | 142.7 |
| 2007 | 139 | 142.7 |
| 2008 | 144 | 142.7 |
| 2009 | 144 | 142.7 |
| 2010 | 149 | 151.9 |
| 2011 | 168 | 151.9 |
| 2012 | 154 | 151.9 |
| 2013 | 143 | 151.9 |
| 2014 | 137 | 151.9 |
| 2015 | 149 | 151.9 |
| 2016 | 159 | 151.9 |
| 2017 | 155 | 151.9 |
| 2018 | 148 | 151.9 |
| 2019 | 157 | 151.9 |
| 2020 | 166 | 166.9 |
| 2021 | 154 | 166.9 |
| 2022 | 170 | 166.9 |
| 2023 | 168 | 166.9 |
| 2024 | 173 | 166.9 |
| 2025 | 182 | 166.9 |
| 2026 | 155 | 166.9 |
| Year | First date | Last date |
|---|---|---|
| 1931 | 1931-06-05 | 1931-10-27 |
| 1932 | 1932-04-25 | 1932-10-03 |
| 1933 | 1933-04-02 | 1933-10-24 |
| 1934 | 1934-04-11 | 1934-11-01 |
| 1935 | 1935-03-27 | 1935-10-21 |
| 1936 | 1936-03-14 | 1936-10-25 |
| 1939 | 1939-03-26 | 1939-10-27 |
| 1940 | 1940-02-28 | 1940-10-21 |
| 1941 | 1941-05-07 | 1941-10-26 |
| 1947 | 1947-04-08 | 1947-11-04 |
| 1948 | 1948-03-23 | 1948-11-01 |
| 1949 | 1949-04-14 | 1949-10-24 |
| 1950 | 1950-05-01 | 1950-11-02 |
| 1951 | 1951-03-07 | 1951-11-15 |
| 1952 | 1952-05-01 | 1952-10-05 |
| 1953 | 1953-04-09 | 1953-10-14 |
| 1954 | 1954-02-27 | 1954-10-14 |
| 1955 | 1955-03-11 | 1955-11-02 |
| 1956 | 1956-03-11 | 1956-11-02 |
| 1957 | 1957-05-03 | 1957-10-04 |
| 1958 | 1958-04-03 | 1958-10-25 |
| 1959 | 1959-04-29 | 1959-10-26 |
| 1960 | 1960-05-17 | 1960-10-13 |
| 1961 | 1961-04-25 | 1961-11-01 |
| 1962 | 1962-02-09 | 1962-10-20 |
| 1963 | 1963-04-03 | 1963-11-06 |
| 1964 | 1964-04-24 | 1964-10-18 |
| 1965 | 1965-04-03 | 1965-11-26 |
| 1966 | 1966-04-01 | 1966-10-14 |
| 1967 | 1967-03-05 | 1967-11-26 |
| 1968 | 1968-04-08 | 1968-10-30 |
| 1969 | 1969-04-05 | 1969-11-11 |
| 1970 | 1970-04-20 | 1970-10-27 |
| 1971 | 1971-03-12 | 1971-11-02 |
| 1972 | 1972-03-17 | 1972-10-31 |
| 1973 | 1973-04-25 | 1973-11-27 |
| 1974 | 1974-03-11 | 1974-10-29 |
| 1975 | 1975-03-07 | 1975-11-09 |
| 1976 | 1976-05-11 | 1976-09-27 |
| 1977 | 1977-05-02 | 1977-11-16 |
| 1978 | 1978-04-18 | 1978-11-02 |
| 1979 | 1979-04-13 | 1979-10-21 |
| 1980 | 1980-03-10 | 1980-10-17 |
| 1981 | 1981-03-30 | 1981-10-17 |
| 1982 | 1982-04-05 | 1982-11-02 |
| 1983 | 1983-05-07 | 1983-10-20 |
| 1984 | 1984-04-19 | 1984-11-15 |
| 1985 | 1985-04-15 | 1985-10-24 |
| 1986 | 1986-02-18 | 1986-10-05 |
| 1987 | 1987-04-15 | 1987-11-05 |
| 1988 | 1988-04-23 | 1988-11-10 |
| 1989 | 1989-03-30 | 1989-11-14 |
| 1990 | 1990-04-30 | 1990-10-15 |
| 1991 | 1991-04-09 | 1991-10-29 |
| 1992 | 1992-04-24 | 1992-11-03 |
| 1993 | 1993-05-14 | 1993-10-19 |
| 1994 | 1994-05-07 | 1994-11-09 |
| 1995 | 1995-04-30 | 1995-11-02 |
| 1996 | 1996-02-21 | 1996-10-17 |
| 1997 | 1997-05-14 | 1997-10-24 |
| 1998 | 1998-04-07 | 1998-10-17 |
| 1999 | 1999-04-10 | 1999-10-30 |
| 2000 | 2000-03-09 | 2000-10-16 |
| 2001 | 2001-04-13 | 2001-10-24 |
| 2002 | 2002-03-30 | 2002-10-06 |
| 2003 | 2003-04-25 | 2003-11-12 |
| 2004 | 2004-05-18 | 2004-10-31 |
| 2005 | 2005-04-13 | 2005-11-15 |
| 2006 | 2006-04-03 | 2006-11-10 |
| 2007 | 2007-04-29 | 2007-11-14 |
| 2008 | 2008-03-14 | 2008-10-15 |
| 2009 | 2009-04-10 | 2009-10-15 |
| 2010 | 2010-05-01 | 2010-11-01 |
| 2011 | 2011-03-23 | 2011-10-27 |
| 2012 | 2012-04-05 | 2012-11-05 |
| 2013 | 2013-03-18 | 2013-10-15 |
| 2014 | 2014-04-25 | 2014-10-29 |
| 2015 | 2015-04-07 | 2015-11-05 |
| 2016 | 2016-03-03 | 2016-11-04 |
| 2017 | 2017-02-08 | 2017-11-07 |
| 2018 | 2018-04-24 | 2018-11-07 |
| 2019 | 2019-04-09 | 2019-10-20 |
| 2020 | 2020-03-23 | 2020-11-14 |
| 2021 | 2021-04-08 | 2021-12-09 |
| 2022 | 2022-04-05 | 2022-11-08 |
| 2023 | 2023-03-09 | 2023-11-08 |
| 2024 | 2024-02-27 | 2024-11-25 |
| 2025 | 2025-03-13 | 2025-11-25 |
| 2026 | 2026-02-27 | 2026-10-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 89 | 182 | 2025 | 155 |
| 35 C (95 F): Days | 89 | 97 | 2023 | 53 |
| 40 C (104 F): Days | 10 | 6 | 2023 | 6 |
| 90 F (32.2 C): Days | 89 | 136 | 2025 | 123 |
| 100 F (37.8 C): Days | 44 | 39 | 2023 | 2 |
| 0 C (32 F): Ice days (max | 13 | 5 | 1989 | 1 |
| 0 C (32 F): Frost days (min | 85 | 27 | 1940 | 4 |
| -10 C (14 F): Days with min | 5 | 2 | 1940 | 1 |
| 20 C (68 F): Tropical nights (min | 89 | 193 | 2025 | 184 |
| 25 C (77 F): Days with min | 88 | 100 | 2023 | 98 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 82 | 54 | 1997 | 29 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 82 | 27 | 1979 | 16 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 80 | 12 | 1959 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 43 | 5 | 1973 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 8 | 3 | 2017 | 3 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 1 | 1960 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.
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).