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Hecker, IL Climate
1991 to 2020 normals at Belleville Siu Rsch, 17 mi from the center of Hecker, elevation 450 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 43° | 24° | 2.56 in | 3.4 in | |
| February | 49° | 28° | 2.16 in | 3.3 in | |
| March | 59° | 36° | 3.44 in | 1.0 in | |
| April | 71° | 46° | 4.90 in | 0.0 in | |
| May | 79° | 56° | 5.05 in | 0.0 in | |
| June | 87° | 65° | 4.62 in | 0.0 in | |
| July | 90° | 68° | 4.03 in | 0.0 in | |
| August | 89° | 65° | 3.92 in | 0.0 in | |
| September | 83° | 57° | 3.35 in | 0.0 in | |
| October | 73° | 47° | 3.12 in | 0.0 in | |
| November | 58° | 37° | 3.60 in | 0.6 in | |
| December | 46° | 28° | 2.61 in | 2.9 in | |
| Year | 69° | 43.36 in | 11.2 in |
Frequently asked questions
- What is the hottest month in Hecker, IL?
- July is the warmest month, with a normal high of 90°F at Belleville Siu Rsch.
- What is the coldest month in Hecker, IL?
- January is the coldest month, with a normal low of 24°F.
- What is the wettest month in Hecker, IL?
- May has the most precipitation on average, about 5.05 inches.