Allenville, IL
Climate overview — based on NOAA 1991-2020 normals from SULLIVAN 3S, IL US.
Year-round temperatures (°F)
Climate summary
Allenville has an annual average temperature of 53°F with about 41.6 inches of precipitation per year and 12.9 inches of snow. The warmest month is July (average high 86.0°F), and the coldest is January (average low 18.5°F). May is typically the wettest month (4.98 in) and February the driest (2.23 in). Snow typically falls from November through April.
Best time to visit Allenville
Full guide →Climate change signal
All-time records →148 of 366 (40.4%) of Allenville's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 0 | |
| 1950s | 0 | |
| 1980s | 0 | |
| 1990s | 0 | |
| 2000s | 140 | |
| 2010s | 168 | |
| 2020s | 58 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 35.3°F | 18.5°F | 26.9°F | 2.41 in | 5.2 in | 8 |
| February | 40.2°F | 21.9°F | 31.0°F | 2.23 in | 2.4 in | 8 |
| March | 51.2°F | 31.1°F | 41.2°F | 2.83 in | 1.0 in | 9 |
| April | 64.7°F | 41.9°F | 53.3°F | 4.48 in | 0.2 in | 10 |
| May | 74.6°F | 53.4°F | 64.0°F | 4.98 in | — | 12 |
| June | 83.2°F | 62.7°F | 72.9°F | 4.95 in | — | 10 |
| July | 86.0°F | 65.2°F | 75.6°F | 4.35 in | — | 8 |
| August | 85.1°F | 62.3°F | 73.7°F | 3.16 in | — | 7 |
| September | 80.1°F | 54.6°F | 67.3°F | 2.71 in | — | 7 |
| October | 67.3°F | 43.9°F | 55.6°F | 3.30 in | — | 8 |
| November | 52.1°F | 33.0°F | 42.6°F | 3.45 in | 0.4 in | 9 |
| December | 40.3°F | 24.5°F | 32.4°F | 2.75 in | 3.7 in | 8 |
Climate twins of Allenville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).