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St. Clair, MN Climate
1991 to 2020 normals at Mankato, 9.6 mi from the center of St. Clair, elevation 850 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 24° | 6° | 0.99 in | 8.2 in | |
| February | 29° | 9° | 0.84 in | 6.9 in | |
| March | 41° | 22° | 1.88 in | 7.4 in | |
| April | 57° | 34° | 3.31 in | 1.6 in | |
| May | 69° | 47° | 4.20 in | 0.0 in | |
| June | 79° | 58° | 5.64 in | 0.0 in | |
| July | 82° | 62° | 4.26 in | 0.0 in | |
| August | 80° | 59° | 4.31 in | 0.0 in | |
| September | 74° | 50° | 3.30 in | 0.0 in | |
| October | 60° | 37° | 2.37 in | 0.1 in | |
| November | 43° | 25° | 1.65 in | 5.9 in | |
| December | 29° | 13° | 1.13 in | 8.6 in | |
| Year | 55° | 33.88 in | 38.7 in |
Frequently asked questions
- What is the hottest month in St. Clair, MN?
- July is the warmest month, with a normal high of 82°F at Mankato.
- What is the coldest month in St. Clair, MN?
- January is the coldest month, with a normal low of 6°F.
- What is the wettest month in St. Clair, MN?
- June has the most precipitation on average, about 5.64 inches.