All-time weather records — Le Roy, IL
Climate change signal in Le Roy
of Le Roy's all-time daily heat records were set in the last decade (0 of 335 records since 2015).
of all-time daily cold records were set in the last decade (0 of 335 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 | # |
|---|---|---|---|---|
| 1940s | · | · | ||
| 1950s | · | · | ||
| 1960s | 8 | 9 | ||
| 1970s | 325 | 326 | ||
| 1980s | 2 | · | ||
| 1990s | · | · | ||
| 2000s | · | · | ||
| 2010s | · | · | ||
| 2020s | · | · |
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 1963, the latest in 1980. Period of observation: 1949-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 48.9°F — Jan 9, 1963 | -22.0°F — Jan 16, 1977 | 3.05 in — Jan 8, 2008 |
| February | 43.0°F — Feb 23, 1979 | — | 12.00 in — Feb 14, 2007 |
| March | 72.0°F — Mar 18, 1979 | 3.9°F — Mar 11, 1979 | 2.19 in — Mar 11, 1990 |
| April | — | — | 3.73 in — Apr 12, 1979 |
| May | 84.9°F — May 20, 1976 | 28.0°F — May 2, 1976 | 4.55 in — May 16, 1968 |
| June | 95.0°F — Jun 29, 1978 | 46.9°F — Jun 9, 1978 | 3.90 in — Jun 24, 2010 |
| July | 100.0°F — Jul 5, 1977 | 50.0°F — Jul 27, 1977 | 6.15 in — Jul 10, 2003 |
| August | 91.0°F — Aug 16, 1978 | 51.1°F — Aug 4, 1978 | 3.36 in — Aug 26, 2004 |
| September | 96.1°F — Sep 19, 1978 | 39.0°F — Sep 15, 1979 | 7.12 in — Sep 20, 1986 |
| October | 80.1°F — Oct 22, 1978 | 27.0°F — Oct 17, 1978 | 2.74 in — Oct 27, 2019 |
| November | 77.0°F — Nov 4, 1978 | 16.0°F — Nov 30, 1978 | 2.25 in — Nov 1, 1984 |
| December | 52.0°F — Dec 1, 1978 | 8.1°F — Dec 9, 1978 | 5.47 in — Dec 3, 1982 |
Click a month to see every daily record for that month in Le Roy.