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Dillon, MT Climate
1991 to 2020 normals at Dillon U of Montana Western, 0.5 mi from the center of Dillon, elevation 5129 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 33° | 15° | 0.31 in | 1.7 in | |
| February | 37° | 16° | 0.35 in | 0.9 in | |
| March | 46° | 23° | 0.67 in | 0.4 in | |
| April | 54° | 28° | 1.51 in | 0.2 in | |
| May | 64° | 36° | 1.93 in | 0.1 in | |
| June | 73° | 42° | 1.92 in | 0.0 in | |
| July | 83° | 48° | 0.91 in | 0.0 in | |
| August | 81° | 46° | 0.86 in | 0.0 in | |
| September | 71° | 39° | 0.89 in | 0.0 in | |
| October | 56° | 30° | 0.95 in | 0.4 in | |
| November | 41° | 21° | 0.52 in | 2.9 in | |
| December | 32° | 13° | 0.45 in | 4.6 in | |
| Year | 56° | 11.27 in | 11.2 in |
Frequently asked questions
- What is the hottest month in Dillon, MT?
- July is the warmest month, with a normal high of 83°F at Dillon U of Montana Western.
- What is the coldest month in Dillon, MT?
- December is the coldest month, with a normal low of 13°F.
- What is the wettest month in Dillon, MT?
- May has the most precipitation on average, about 1.93 inches.