Libby, MT
Climate overview — based on NOAA 1991-2020 normals from LIBBY 1 NE RS, MT US.
Year-round temperatures (°F)
Climate summary
Libby has an annual average temperature of 47.4°F with about 19.2 inches of precipitation per year and 48.2 inches of snow. The warmest month is August (average high 89.5°F), and the coldest is January (average low 21.5°F). December is typically the wettest month (2.52 in) and August the driest (0.74 in). Snow typically falls from October through April.
Best time to visit Libby
Full guide →Climate change signal
All-time records →11 of 366 (3%) of Libby's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 30 | |
| 1910s | 22 | |
| 1920s | 44 | |
| 1930s | 63 | |
| 1940s | 34 | |
| 1950s | 20 | |
| 1960s | 40 | |
| 1970s | 13 | |
| 1980s | 12 | |
| 1990s | 45 | |
| 2000s | 21 | |
| 2010s | 21 | |
| 2020s | 1 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 34.4°F | 21.5°F | 27.9°F | 1.92 in | 11.8 in | 14 |
| February | 40.9°F | 22.2°F | 31.5°F | 1.29 in | 5.4 in | 10 |
| March | 51.8°F | 26.8°F | 39.3°F | 1.73 in | 3.8 in | 12 |
| April | 61.5°F | 31.7°F | 46.6°F | 1.14 in | 0.2 in | 10 |
| May | 72.6°F | 38.7°F | 55.6°F | 1.66 in | — | 10 |
| June | 79.6°F | 45.4°F | 62.5°F | 2.04 in | — | 12 |
| July | 89.3°F | 49.2°F | 69.2°F | 0.91 in | — | 7 |
| August | 89.5°F | 47.4°F | 68.5°F | 0.74 in | — | 5 |
| September | 77.6°F | 40.9°F | 59.2°F | 1.09 in | — | 7 |
| October | 58.5°F | 33.8°F | 46.2°F | 1.82 in | 0.3 in | 10 |
| November | 41.1°F | 28.3°F | 34.7°F | 2.29 in | 6.3 in | 13 |
| December | 32.8°F | 21.8°F | 27.3°F | 2.52 in | 20.4 in | 14 |
Climate twins of Libby
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).