US Geography / US Weather / South Dakota Weather / Custer |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 36 | 40 | 45 | 54 | 64 | 74 | 81 | 80 | 71 | 60 | 46 | 38 |
| Avg. Low | 8 | 14 | 18 | 26 | 35 | 44 | 50 | 48 | 38 | 28 | 20 | 11 |
| Mean | 24 | 27 | 32 | 41 | 50 | 58 | 66 | 64 | 55 | 45 | 34 | 25 |
| Avg. Precip. | 0.4 in | 0.6 in | 1.0 in | 1.9 in | 3.1 in | 3.3 in | 3.3 in | 2.0 in | 1.5 in | 1.0 in | 0.6 in | 0.6 in |
Degrees in Fahrenheit
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