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Ullin, IL Climate
1991 to 2020 normals at Grand Chain Dam 53, 9.4 mi from the center of Ullin, elevation 385 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 43° | 26° | 4.23 in | 2.1 in | |
| February | 48° | 30° | 3.86 in | 2.5 in | |
| March | 57° | 37° | 4.77 in | 0.7 in | |
| April | 68° | 47° | 5.15 in | 0.0 in | |
| May | 77° | 56° | 4.92 in | 0.0 in | |
| June | 86° | 65° | 4.13 in | 0.0 in | |
| July | 89° | 69° | 3.28 in | 0.0 in | |
| August | 89° | 67° | 3.03 in | 0.0 in | |
| September | 83° | 60° | 3.35 in | 0.0 in | |
| October | 71° | 48° | 4.04 in | 0.1 in | |
| November | 58° | 39° | 4.41 in | 0.0 in | |
| December | 47° | 31° | 4.24 in | 1.8 in | |
| Year | 68° | 49.41 in | 7.2 in |
Frequently asked questions
- What is the hottest month in Ullin, IL?
- July is the warmest month, with a normal high of 89°F at Grand Chain Dam 53.
- What is the coldest month in Ullin, IL?
- January is the coldest month, with a normal low of 26°F.
- What is the wettest month in Ullin, IL?
- April has the most precipitation on average, about 5.15 inches.