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Harrison, MT Climate
1991 to 2020 normals at Norris Madison Pwr House, 17 mi from the center of Harrison, elevation 4745 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 39° | 24° | 0.53 in | 7.1 in | |
| February | 42° | 25° | 0.74 in | 12.9 in | |
| March | 50° | 30° | 1.17 in | 7.1 in | |
| April | 57° | 36° | 2.26 in | 5.3 in | |
| May | 66° | 43° | 3.00 in | 1.6 in | |
| June | 75° | 50° | 3.17 in | 0.0 in | |
| July | 85° | 57° | 1.32 in | 0.0 in | |
| August | 85° | 56° | 1.41 in | 0.0 in | |
| September | 75° | 49° | 1.44 in | 0.0 in | |
| October | 60° | 39° | 1.69 in | 2.7 in | |
| November | 47° | 30° | 0.81 in | 5.4 in | |
| December | 38° | 24° | 0.82 in | 9.7 in | |
| Year | 60° | 18.36 in | 51.8 in |
Frequently asked questions
- What is the hottest month in Harrison, MT?
- July is the warmest month, with a normal high of 85°F at Norris Madison Pwr House.
- What is the coldest month in Harrison, MT?
- December is the coldest month, with a normal low of 24°F.
- What is the wettest month in Harrison, MT?
- June has the most precipitation on average, about 3.17 inches.