All-time weather records — St. Leo, FL
Climate change signal in St. Leo
of St. Leo's all-time daily heat records were set in the last decade (8 of 366 records since 2015).
of all-time daily cold records were set in the last decade (4 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 | 59 | 21 | ||
| 1900s | 34 | 53 | ||
| 1910s | 3 | 35 | ||
| 1920s | 39 | 37 | ||
| 1930s | 15 | 42 | ||
| 1940s | 49 | 29 | ||
| 1950s | 11 | 18 | ||
| 1960s | 21 | 26 | ||
| 1970s | 16 | 33 | ||
| 1980s | 46 | 29 | ||
| 1990s | 41 | 21 | ||
| 2000s | 24 | 11 | ||
| 2010s | · | 9 | ||
| 2020s | 8 | 2 |
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 1895, the latest in 2025. Period of observation: 1895-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 87.1°F — Jan 1, 1991 | 18.0°F — Jan 21, 1985 | 4.11 in — Jan 24, 1914 |
| February | 90.0°F — Feb 24, 1962 | 19.0°F — Feb 14, 1899 | 4.37 in — Feb 16, 1998 |
| March | 95.0°F — Mar 30, 1907 | 24.1°F — Mar 3, 1980 | 6.45 in — Mar 15, 1960 |
| April | 98.1°F — Apr 28, 1945 | 6.1°F — Apr 29, 1984 | 9.17 in — Apr 13, 1953 |
| May | 102.0°F — May 31, 1945 | 46.0°F — May 8, 1992 | 11.08 in — May 8, 1979 |
| June | 102.9°F — Jun 7, 1985 | 7.0°F — Jun 9, 1989 | 13.12 in — Jun 15, 1934 |
| July | 102.0°F — Jul 7, 1902 | 62.1°F — Jul 11, 2012 | 11.25 in — Jul 31, 1899 |
| August | 100.9°F — Aug 22, 1900 | 62.1°F — Aug 13, 1968 | 6.79 in — Aug 9, 1928 |
| September | 99.0°F — Sep 8, 1925 | 50.0°F — Sep 22, 1897 | 8.78 in — Sep 5, 1933 |
| October | 97.0°F — Oct 1, 2025 | 33.1°F — Oct 25, 1903 | 11.93 in — Oct 9, 2024 |
| November | 91.9°F — Nov 6, 1989 | 26.1°F — Nov 28, 1903 | 9.27 in — Nov 23, 1988 |
| December | 88.0°F — Dec 1, 1982 | 18.0°F — Dec 13, 1962 | 4.60 in — Dec 7, 2025 |
Click a month to see every daily record for that month in St. Leo.