LEWISTOWN, MT US
GHCN ID: USC00244976 · MT, US · 1192.1 m elevation · Records 2008-2025 (17 years)
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 40.3°F | 14.9°F | 27.6°F | in | — |
| February | 40.3°F | 16.3°F | 28.3°F | in | — |
| March | 50.4°F | 24.0°F | 37.2°F | in | — |
| April | 57.7°F | 31.8°F | 44.8°F | in | — |
| May | 65.8°F | 40.3°F | 53.1°F | in | — |
| June | 73.9°F | 47.7°F | 60.8°F | in | — |
| July | 86.5°F | 53.8°F | 70.2°F | in | — |
| August | 86.8°F | 52.2°F | 69.5°F | in | — |
| September | 74.9°F | 43.8°F | 59.4°F | in | — |
| October | 57.3°F | 34.4°F | 45.9°F | in | — |
| November | 45.3°F | 23.3°F | 34.3°F | in | — |
| December | 38.9°F | 17.0°F | 28.0°F | in | — |