HELENA RGNL AP, MT US
GHCN ID: USW00024144 · MT, US · 1166.8 m elevation · Records 1938-2026 (88 years)
Primary station for East Helena, MT.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 32.4°F | 13.5°F | 23.0°F | 0.39 in | 6.6 in |
| February | 37.2°F | 17.2°F | 27.2°F | 0.42 in | 6.6 in |
| March | 47.5°F | 24.6°F | 36.1°F | 0.52 in | 4.6 in |
| April | 56.7°F | 32.4°F | 44.5°F | 1.02 in | 2.9 in |
| May | 66.4°F | 41.5°F | 53.9°F | 1.95 in | 0.1 in |
| June | 74.7°F | 48.7°F | 61.7°F | 2.21 in | — |
| July | 86.1°F | 55.1°F | 70.6°F | 1.06 in | — |
| August | 84.6°F | 52.9°F | 68.8°F | 1.04 in | 0.3 in |
| September | 73.3°F | 44.6°F | 58.9°F | 0.96 in | 0.2 in |
| October | 57.6°F | 33.5°F | 45.5°F | 0.78 in | 2.8 in |
| November | 42.8°F | 22.8°F | 32.8°F | 0.59 in | 5.4 in |
| December | 32.6°F | 14.2°F | 23.4°F | 0.46 in | 7.7 in |