Old Mill Creek, IL
Climate overview — based on NOAA 1991-2020 normals from LAKE VILLA 2NE, IL US.
Year-round temperatures (°F)
Climate summary
Old Mill Creek has an annual average temperature of 48.6°F with about 37.8 inches of precipitation per year and 43.4 inches of snow. The warmest month is July (average high 82.3°F), and the coldest is January (average low 14.6°F). May is typically the wettest month (4.44 in) and February the driest (1.89 in). Snow typically falls from November through April.
Best time to visit Old Mill Creek
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Old Mill 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.
| 1980s | 75 | |
| 1990s | 179 | |
| 2000s | 112 |
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 | 29.9°F | 14.6°F | 22.2°F | 2.07 in | 15.7 in | 12 |
| February | 34.0°F | 17.5°F | 25.7°F | 1.89 in | 8.0 in | 9 |
| March | 44.8°F | 26.6°F | 35.7°F | 2.64 in | 5.8 in | 11 |
| April | 56.8°F | 37.1°F | 46.9°F | 4.12 in | 1.5 in | 12 |
| May | 68.8°F | 47.8°F | 58.3°F | 4.44 in | — | 13 |
| June | 78.4°F | 57.9°F | 68.1°F | 4.20 in | — | 10 |
| July | 82.3°F | 63.1°F | 72.7°F | 3.92 in | — | 10 |
| August | 80.6°F | 61.8°F | 71.2°F | 3.27 in | — | 9 |
| September | 73.4°F | 54.4°F | 63.9°F | 3.36 in | — | 9 |
| October | 60.4°F | 43.1°F | 51.7°F | 3.04 in | 0.1 in | 10 |
| November | 47.1°F | 30.9°F | 39.0°F | 2.54 in | 3.1 in | 11 |
| December | 35.0°F | 20.8°F | 27.9°F | 2.28 in | 9.2 in | 11 |
Climate twins of Old Mill Creek
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).