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Isabel, SD Climate
1991 to 2020 normals at Timber Lake, 17 mi from the center of Isabel, elevation 2173 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 27° | 7° | 0.49 in | 6.4 in | |
| February | 31° | 11° | 0.67 in | 7.5 in | |
| March | 44° | 21° | 1.00 in | 6.5 in | |
| April | 58° | 32° | 1.83 in | 5.2 in | |
| May | 69° | 43° | 2.90 in | 0.6 in | |
| June | 79° | 54° | 3.56 in | 0.0 in | |
| July | 86° | 59° | 2.85 in | 0.0 in | |
| August | 85° | 58° | 1.78 in | 0.0 in | |
| September | 76° | 48° | 1.53 in | 0.0 in | |
| October | 59° | 35° | 1.66 in | 2.3 in | |
| November | 43° | 22° | 0.57 in | 4.4 in | |
| December | 30° | 11° | 0.57 in | 8.3 in | |
| Year | 57° | 19.41 in | 41.2 in |
Frequently asked questions
- What is the hottest month in Isabel, SD?
- July is the warmest month, with a normal high of 86°F at Timber Lake.
- What is the coldest month in Isabel, SD?
- January is the coldest month, with a normal low of 7°F.
- What is the wettest month in Isabel, SD?
- June has the most precipitation on average, about 3.56 inches.