LEWISTOWN 11 SSE, MT US
GHCN ID: USC00244978 · MT, US · 1513.3 m elevation · Records 1949-2026 (77 years)
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 37.1°F | 13.4°F | 25.3°F | 0.90 in | 17.5 in |
| February | 37.3°F | 12.3°F | 24.8°F | 0.79 in | 16.4 in |
| March | 45.4°F | 19.4°F | 32.4°F | 1.18 in | 19.5 in |
| April | 50.8°F | 26.1°F | 38.5°F | 2.34 in | 17.2 in |
| May | 61.6°F | 36.1°F | 48.9°F | 3.87 in | 3.1 in |
| June | 68.2°F | 43.5°F | 55.9°F | 4.15 in | 0.2 in |
| July | 79.6°F | 48.6°F | 64.1°F | 2.13 in | — |
| August | 79.2°F | 47.1°F | 63.2°F | 2.19 in | — |
| September | 69.2°F | 39.1°F | 54.2°F | 2.07 in | 2.1 in |
| October | 56.5°F | 30.2°F | 43.4°F | 1.76 in | 8.8 in |
| November | 44.2°F | 21.0°F | 32.6°F | 1.03 in | 11.2 in |
| December | 36.1°F | 13.7°F | 24.9°F | 0.87 in | 16.1 in |