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Dowell, IL Climate
1991 to 2020 normals at Du Quoin 4 SE, 4.1 mi from the center of Dowell, elevation 420 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 40° | 24° | 3.16 in | 3.8 in | |
| February | 46° | 28° | 2.90 in | 3.2 in | |
| March | 56° | 36° | 4.39 in | 0.7 in | |
| April | 68° | 46° | 5.35 in | 0.1 in | |
| May | 76° | 56° | 5.51 in | 0.0 in | |
| June | 84° | 64° | 4.79 in | 0.0 in | |
| July | 87° | 68° | 3.94 in | 0.0 in | |
| August | 86° | 65° | 3.30 in | 0.0 in | |
| September | 80° | 57° | 3.40 in | 0.0 in | |
| October | 69° | 46° | 3.66 in | 0.2 in | |
| November | 55° | 36° | 4.07 in | 0.3 in | |
| December | 44° | 28° | 3.24 in | 3.6 in | |
| Year | 66° | 47.71 in | 11.9 in |
Frequently asked questions
- What is the hottest month in Dowell, IL?
- July is the warmest month, with a normal high of 87°F at Du Quoin 4 SE.
- What is the coldest month in Dowell, IL?
- January is the coldest month, with a normal low of 24°F.
- What is the wettest month in Dowell, IL?
- May has the most precipitation on average, about 5.51 inches.