HARLEM 20S, MT US
GHCN ID: USC00243934 · MT, US · 821.4 m elevation · Records 2001-2026 (25 years)
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 32.2°F | 8.1°F | 20.2°F | 0.55 in | — |
| February | 33.9°F | 10.3°F | 22.1°F | 0.38 in | — |
| March | 45.0°F | 19.5°F | 32.3°F | 0.72 in | — |
| April | 56.3°F | 30.3°F | 43.3°F | 1.23 in | — |
| May | 66.4°F | 38.5°F | 52.5°F | 2.57 in | — |
| June | 75.1°F | 47.6°F | 61.3°F | 2.77 in | — |
| July | 85.6°F | 52.2°F | 68.9°F | 1.64 in | — |
| August | 85.4°F | 50.5°F | 67.9°F | 1.12 in | — |
| September | 73.9°F | 41.9°F | 57.9°F | 1.34 in | — |
| October | 59.0°F | 30.2°F | 44.6°F | 0.98 in | — |
| November | 44.3°F | 19.6°F | 32.0°F | 0.57 in | — |
| December | 35.0°F | 11.3°F | 23.2°F | 0.39 in | — |