All-time weather records — Hallettsville, TX
Climate change signal in Hallettsville
of Hallettsville's all-time daily heat records were set in the last decade (75 of 366 records since 2015).
of all-time daily cold records were set in the last decade (8 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 1890s | 7 | 56 | ||
| 1900s | 7 | 13 | ||
| 1910s | 3 | 12 | ||
| 1920s | 100 | 33 | ||
| 1930s | 31 | 37 | ||
| 1940s | 14 | 34 | ||
| 1950s | 45 | 45 | ||
| 1960s | 33 | 32 | ||
| 1970s | 16 | 37 | ||
| 1980s | 10 | 31 | ||
| 1990s | 6 | 16 | ||
| 2000s | 14 | 7 | ||
| 2010s | 22 | 8 | ||
| 2020s | 58 | 5 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1893, the latest in 2026. Period of observation: 1893-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 95.0°F — Jan 18, 1927 | 6.1°F — Jan 18, 1930 | 4.43 in — Jan 31, 2022 |
| February | 91.9°F — Feb 19, 1986 | 5.0°F — Feb 11, 1899 | 6.25 in — Feb 4, 1955 |
| March | 98.1°F — Mar 25, 1928 | 18.0°F — Mar 4, 2002 | 3.80 in — Mar 1, 1934 |
| April | 99.0°F — Apr 27, 1925 | 28.9°F — Apr 3, 1987 | 7.00 in — Apr 24, 1905 |
| May | 102.0°F — May 18, 1925 | 37.9°F — May 2, 1929 | 5.60 in — May 12, 1972 |
| June | 109.0°F — Jun 27, 1980 | 52.0°F — Jun 1, 1984 | 6.50 in — Jun 30, 1940 |
| July | 111.0°F — Jul 17, 1980 | 55.9°F — Jul 16, 1967 | 11.30 in — Jul 1, 1936 |
| August | 111.0°F — Aug 27, 2023 | 54.0°F — Aug 30, 1893 | 9.95 in — Aug 26, 2017 |
| September | 109.9°F — Sep 5, 2000 | 9.0°F — Sep 16, 1992 | 6.75 in — Sep 12, 1961 |
| October | 102.0°F — Oct 2, 1929 | 19.9°F — Oct 28, 1931 | 7.32 in — Oct 24, 1914 |
| November | 96.1°F — Nov 29, 1927 | 3.9°F — Nov 4, 1992 | 6.75 in — Nov 4, 1965 |
| December | 88.0°F — Dec 1, 1954 | 5.0°F — Dec 23, 1989 | 5.55 in — Dec 21, 1991 |
Click a month to see every daily record for that month in Hallettsville.