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Garrison, IA Climate
1991 to 2020 normals at Vinton, 7.2 mi from the center of Garrison, 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 | 26° | 8° | 1.19 in | 8.3 in | |
| February | 30° | 12° | 1.25 in | 8.5 in | |
| March | 44° | 24° | 2.05 in | 4.4 in | |
| April | 59° | 35° | 3.90 in | 1.4 in | |
| May | 69° | 47° | 5.01 in | 0.0 in | |
| June | 78° | 57° | 5.62 in | 0.0 in | |
| July | 81° | 60° | 4.15 in | 0.0 in | |
| August | 79° | 58° | 4.22 in | 0.0 in | |
| September | 74° | 50° | 3.68 in | 0.0 in | |
| October | 60° | 37° | 3.22 in | 0.4 in | |
| November | 44° | 25° | 2.05 in | 1.8 in | |
| December | 31° | 15° | 1.59 in | 8.8 in | |
| Year | 56° | 37.93 in | 33.6 in |
Frequently asked questions
- What is the hottest month in Garrison, IA?
- July is the warmest month, with a normal high of 81°F at Vinton.
- What is the coldest month in Garrison, IA?
- January is the coldest month, with a normal low of 8°F.
- What is the wettest month in Garrison, IA?
- June has the most precipitation on average, about 5.62 inches.