US Geography / US Weather / Montana Weather / Shelby |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 31° | 38° | 45° | 57° | 66° | 74° | 81° | 81° | 70° | 61° | 44° | 34° |
| Avg. Low | 7° | 12° | 18° | 28° | 37° | 45° | 48° | 48° | 38° | 30° | 17° | 8° |
| Mean | 18° | 25° | 32° | 44° | 52° | 60° | 66° | 65° | 55° | 46° | 31° | 21° |
| Avg. Precip. | 0.5 in | 0.3 in | 0.7 in | 1.0 in | 2.1 in | 2.3 in | 1.3 in | 1.4 in | 1.1 in | 0.5 in | 0.5 in | 0.5 in |
Degrees in Fahrenheit
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