Deer Creek, IL
Climate overview — based on NOAA 1991-2020 normals from CONGERVILLE 2NW, IL US.
Year-round temperatures (°F)
Climate summary
Deer Creek has an annual average temperature of 52.1°F with about 37.5 inches of precipitation per year and 22.3 inches of snow. The warmest month is July (average high 85.5°F), and the coldest is January (average low 17.1°F). May is typically the wettest month (4.77 in) and February the driest (1.76 in). Snow typically falls from November through April.
Best time to visit Deer Creek
Full guide →Climate change signal
All-time records →129 of 366 (35.2%) of Deer Creek'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.
| 1990s | 40 | |
| 2000s | 119 | |
| 2010s | 123 | |
| 2020s | 84 |
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 | 33.2°F | 17.1°F | 25.2°F | 2.05 in | 6.8 in | 9 |
| February | 38.0°F | 20.7°F | 29.4°F | 1.76 in | 5.2 in | 7 |
| March | 50.4°F | 31.0°F | 40.7°F | 2.44 in | 2.8 in | 9 |
| April | 63.2°F | 40.7°F | 52.0°F | 3.77 in | 0.8 in | 11 |
| May | 73.6°F | 51.9°F | 62.7°F | 4.77 in | — | 12 |
| June | 82.6°F | 61.2°F | 71.9°F | 4.05 in | — | 10 |
| July | 85.5°F | 64.8°F | 75.2°F | 3.86 in | — | 9 |
| August | 84.3°F | 62.5°F | 73.4°F | 3.74 in | — | 9 |
| September | 79.7°F | 54.5°F | 67.1°F | 3.21 in | — | 7 |
| October | 66.8°F | 42.5°F | 54.6°F | 3.14 in | — | 10 |
| November | 51.1°F | 32.4°F | 41.7°F | 2.64 in | 1.5 in | 8 |
| December | 38.6°F | 22.8°F | 30.7°F | 2.04 in | 5.2 in | 8 |
Climate twins of Deer Creek
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).