GREAT FALLS INTL AP, MT US
GHCN ID: USW00024143 · MT, US · 1116.8 m elevation · Records 1937-2026 (89 years)
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 35.3°F | 15.0°F | 25.2°F | 0.55 in | 9.2 in |
| February | 37.1°F | 15.4°F | 26.2°F | 0.59 in | 10.1 in |
| March | 46.1°F | 22.1°F | 34.1°F | 0.68 in | 10.1 in |
| April | 54.9°F | 29.9°F | 42.4°F | 1.73 in | 9.4 in |
| May | 64.6°F | 38.4°F | 51.5°F | 2.43 in | 1.9 in |
| June | 72.8°F | 45.9°F | 59.4°F | 2.72 in | 0.3 in |
| July | 84.3°F | 51.4°F | 67.9°F | 1.23 in | — |
| August | 83.2°F | 50.3°F | 66.7°F | 1.22 in | 0.3 in |
| September | 71.7°F | 42.8°F | 57.2°F | 1.33 in | 0.8 in |
| October | 57.0°F | 32.6°F | 44.8°F | 1.07 in | 5.2 in |
| November | 43.7°F | 23.6°F | 33.6°F | 0.68 in | 9.2 in |
| December | 35.6°F | 16.3°F | 26.0°F | 0.53 in | 9.6 in |