Ashley, IL
Climate overview — based on NOAA 1991-2020 normals from NASHVILLE 1 E, IL US.
Year-round temperatures (°F)
Climate summary
Ashley has an annual average temperature of 55.1°F with about 42.2 inches of precipitation per year and 11.7 inches of snow. The warmest month is July (average high 87.2°F), and the coldest is January (average low 21.3°F). May is typically the wettest month (4.81 in) and February the driest (2.15 in). Snow typically falls from November through March.
Best time to visit Ashley
Full guide →Climate change signal
All-time records →26 of 366 (7.1%) of Ashley'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.
| 1890s | 52 | |
| 1900s | 44 | |
| 1910s | 0 | |
| 1920s | 0 | |
| 1930s | 0 | |
| 1940s | 0 | |
| 1950s | 0 | |
| 1960s | 48 | |
| 1970s | 39 | |
| 1980s | 53 | |
| 1990s | 34 | |
| 2000s | 31 | |
| 2010s | 65 |
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 | 38.7°F | 21.3°F | 30.0°F | 2.68 in | 3.7 in | 8 |
| February | 43.9°F | 24.9°F | 34.4°F | 2.15 in | 3.7 in | 7 |
| March | 54.2°F | 34.2°F | 44.2°F | 3.47 in | 1.2 in | 10 |
| April | 66.0°F | 45.0°F | 55.5°F | 4.58 in | — | 10 |
| May | 75.2°F | 55.5°F | 65.3°F | 4.81 in | — | 11 |
| June | 84.2°F | 64.0°F | 74.1°F | 4.68 in | — | 9 |
| July | 87.2°F | 67.3°F | 77.2°F | 3.83 in | — | 8 |
| August | 86.0°F | 65.1°F | 75.6°F | 3.09 in | — | 7 |
| September | 79.9°F | 57.5°F | 68.7°F | 3.54 in | — | 7 |
| October | 68.9°F | 46.2°F | 57.6°F | 3.17 in | 0.1 in | 8 |
| November | 54.2°F | 34.7°F | 44.4°F | 3.55 in | 0.5 in | 9 |
| December | 43.2°F | 26.3°F | 34.7°F | 2.67 in | 2.5 in | 9 |
Climate twins of Ashley
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).