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Walnut, IL Climate
1991 to 2020 normals at Walnut, 0.6 mi from the center of Walnut, elevation 671 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 29° | 13° | 1.52 in | 12.7 in | |
| February | 34° | 17° | 1.73 in | 8.4 in | |
| March | 47° | 28° | 2.22 in | 4.7 in | |
| April | 61° | 39° | 3.35 in | 0.6 in | |
| May | 72° | 51° | 4.63 in | 0.0 in | |
| June | 81° | 60° | 4.93 in | 0.0 in | |
| July | 83° | 63° | 3.94 in | 0.0 in | |
| August | 82° | 61° | 3.83 in | 0.0 in | |
| September | 76° | 53° | 3.40 in | 0.0 in | |
| October | 63° | 41° | 2.97 in | 0.2 in | |
| November | 48° | 30° | 2.33 in | 2.0 in | |
| December | 35° | 19° | 1.99 in | 7.3 in | |
| Year | 59° | 36.84 in | 35.9 in |
Frequently asked questions
- What is the hottest month in Walnut, IL?
- July is the warmest month, with a normal high of 83°F at Walnut.
- What is the coldest month in Walnut, IL?
- January is the coldest month, with a normal low of 13°F.
- What is the wettest month in Walnut, IL?
- June has the most precipitation on average, about 4.93 inches.