All-time weather records — Allenville, IL
Climate change signal in Allenville
of Allenville's all-time daily heat records were set in the last decade (148 of 366 records since 2015).
of all-time daily cold records were set in the last decade (113 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 | # |
|---|---|---|---|---|
| 1940s | · | · | ||
| 1950s | · | · | ||
| 1980s | · | · | ||
| 1990s | · | · | ||
| 2000s | 140 | 166 | ||
| 2010s | 168 | 159 | ||
| 2020s | 58 | 41 |
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 2001, the latest in 2023. Period of observation: 1941-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 66.9°F — Jan 8, 2008 | -14.1°F — Jan 30, 2019 | 2.79 in — Jan 11, 2020 |
| February | 71.1°F — Feb 21, 2016 | -15.0°F — Feb 7, 2014 | 2.85 in — Feb 21, 2018 |
| March | 82.0°F — Mar 22, 2012 | -4.0°F — Mar 6, 2015 | 2.47 in — Mar 31, 2022 |
| April | 84.9°F — Apr 9, 2020 | 18.0°F — Apr 2, 2018 | 3.38 in — Apr 19, 2013 |
| May | 97.0°F — May 29, 2018 | 28.9°F — May 3, 2005 | 3.51 in — May 1, 2017 |
| June | 99.0°F — Jun 29, 2012 | 45.0°F — Jun 19, 2004 | 4.89 in — Jun 19, 2015 |
| July | 102.9°F — Jul 8, 2012 | 41.0°F — Jul 31, 2004 | 4.78 in — Jul 20, 2010 |
| August | 100.0°F — Aug 26, 2003 | 44.1°F — Aug 13, 2004 | 6.63 in — Aug 31, 2003 |
| September | 98.1°F — Sep 2, 2011 | 33.1°F — Sep 24, 2012 | 3.30 in — Sep 3, 1993 |
| October | 91.9°F — Oct 2, 2019 | 21.9°F — Oct 30, 2008 | 3.72 in — Oct 4, 2000 |
| November | 78.1°F — Nov 3, 2016 | 3.9°F — Nov 12, 2019 | 2.69 in — Nov 25, 2010 |
| December | 71.1°F — Dec 4, 2012 | -14.1°F — Dec 23, 2022 | 2.80 in — Dec 25, 2010 |
Click a month to see every daily record for that month in Allenville.