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Harrison, SD Climate
1991 to 2020 normals at Armour, 12 mi from the center of Harrison, elevation 1510 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 32° | 10° | 0.55 in | 6.1 in | |
| February | 37° | 14° | 0.86 in | 5.5 in | |
| March | 50° | 24° | 1.24 in | 6.3 in | |
| April | 62° | 35° | 3.26 in | 4.1 in | |
| May | 73° | 46° | 4.03 in | 0.0 in | |
| June | 82° | 58° | 3.74 in | 0.0 in | |
| July | 88° | 62° | 2.67 in | 0.0 in | |
| August | 86° | 60° | 2.84 in | 0.0 in | |
| September | 79° | 52° | 2.42 in | 0.0 in | |
| October | 64° | 38° | 2.07 in | 1.2 in | |
| November | 48° | 25° | 1.02 in | 6.1 in | |
| December | 35° | 14° | 0.72 in | 5.1 in | |
| Year | 61° | 25.42 in | 34.4 in |
Frequently asked questions
- What is the hottest month in Harrison, SD?
- July is the warmest month, with a normal high of 88°F at Armour.
- What is the coldest month in Harrison, SD?
- January is the coldest month, with a normal low of 10°F.
- What is the wettest month in Harrison, SD?
- May has the most precipitation on average, about 4.03 inches.