Dowell, IL
Climate overview — based on NOAA 1991-2020 normals from DU QUOIN 4 SE, IL US.
Year-round temperatures (°F)
Climate summary
Dowell has an annual average temperature of 56°F with about 47.7 inches of precipitation per year and 11.9 inches of snow. The warmest month is July (average high 87.2°F), and the coldest is January (average low 23.9°F). May is typically the wettest month (5.51 in) and February the driest (2.90 in). Snow typically falls from October through March.
Best time to visit Dowell
Full guide →Climate change signal
All-time records →19 of 366 (5.2%) of Dowell'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 | 4 | |
| 1900s | 43 | |
| 1910s | 51 | |
| 1920s | 43 | |
| 1930s | 89 | |
| 1940s | 23 | |
| 1950s | 24 | |
| 1960s | 7 | |
| 1970s | 14 | |
| 1980s | 15 | |
| 1990s | 9 | |
| 2000s | 12 | |
| 2010s | 21 | |
| 2020s | 11 |
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 | 40.4°F | 23.9°F | 32.1°F | 3.16 in | 3.8 in | 8 |
| February | 45.7°F | 27.7°F | 36.7°F | 2.90 in | 3.2 in | 7 |
| March | 55.9°F | 36.1°F | 46.0°F | 4.39 in | 0.7 in | 10 |
| April | 67.5°F | 46.1°F | 56.8°F | 5.35 in | 0.1 in | 10 |
| May | 76.1°F | 56.1°F | 66.1°F | 5.51 in | — | 11 |
| June | 84.4°F | 64.3°F | 74.3°F | 4.79 in | — | 9 |
| July | 87.2°F | 67.6°F | 77.4°F | 3.94 in | — | 7 |
| August | 86.4°F | 64.9°F | 75.7°F | 3.30 in | — | 7 |
| September | 80.0°F | 56.6°F | 68.3°F | 3.40 in | — | 6 |
| October | 69.0°F | 46.0°F | 57.5°F | 3.66 in | 0.2 in | 7 |
| November | 55.0°F | 35.5°F | 45.2°F | 4.07 in | 0.3 in | 8 |
| December | 44.4°F | 28.0°F | 36.2°F | 3.24 in | 3.6 in | 8 |
Climate twins of Dowell
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).