Checked
Ritchie, IL Climate
1991 to 2020 normals at Channahon Dresden Isl Dam, 13 mi from the center of Ritchie, elevation 505 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 32° | 17° | 2.08 in | 6.4 in | |
| February | 37° | 20° | 1.68 in | 5.2 in | |
| March | 48° | 30° | 2.15 in | 0.4 in | |
| April | 61° | 40° | 3.78 in | 0.0 in | |
| May | 72° | 51° | 4.61 in | 0.0 in | |
| June | 81° | 60° | 4.50 in | 0.0 in | |
| July | 85° | 65° | 3.85 in | 0.0 in | |
| August | 83° | 63° | 3.75 in | 0.0 in | |
| September | 77° | 56° | 3.25 in | 0.0 in | |
| October | 64° | 44° | 3.09 in | 0.0 in | |
| November | 50° | 33° | 2.52 in | 0.3 in | |
| December | 37° | 23° | 1.96 in | 6.1 in | |
| Year | 60° | 37.22 in | 18.4 in |
Frequently asked questions
- What is the hottest month in Ritchie, IL?
- July is the warmest month, with a normal high of 85°F at Channahon Dresden Isl Dam.
- What is the coldest month in Ritchie, IL?
- January is the coldest month, with a normal low of 17°F.
- What is the wettest month in Ritchie, IL?
- May has the most precipitation on average, about 4.61 inches.