Thompson Falls, MT
Climate overview — based on NOAA 1991-2020 normals from THOMPSON FALLS PH, MT US.
Year-round temperatures (°F)
Climate summary
Thompson Falls has an annual average temperature of 47.7°F with about 22.1 inches of precipitation per year and 15.3 inches of snow. The warmest month is July (average high 86.4°F), and the coldest is January (average low 24.1°F). November is typically the wettest month (2.64 in) and July the driest (0.88 in). Snow typically falls from October through April.
Best time to visit Thompson Falls
Full guide →Climate change signal
All-time records →35 of 366 (9.6%) of Thompson Falls'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.
| 1950s | 15 | |
| 1960s | 61 | |
| 1970s | 38 | |
| 1980s | 79 | |
| 1990s | 73 | |
| 2000s | 54 | |
| 2010s | 24 | |
| 2020s | 22 |
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 | 34.0°F | 24.1°F | 29.1°F | 2.34 in | 2.5 in | 18 |
| February | 39.8°F | 24.9°F | 32.3°F | 1.94 in | 0.6 in | 15 |
| March | 49.4°F | 29.4°F | 39.4°F | 1.99 in | 1.2 in | 16 |
| April | 58.2°F | 34.4°F | 46.3°F | 1.65 in | 0.3 in | 15 |
| May | 68.4°F | 41.4°F | 54.9°F | 2.09 in | — | 14 |
| June | 74.5°F | 47.8°F | 61.1°F | 2.19 in | — | 13 |
| July | 86.4°F | 52.7°F | 69.5°F | 0.88 in | — | 7 |
| August | 86.2°F | 51.5°F | 68.8°F | 0.89 in | — | 5 |
| September | 75.4°F | 44.3°F | 59.8°F | 0.97 in | — | 8 |
| October | 58.0°F | 35.9°F | 46.9°F | 2.16 in | 0.7 in | 13 |
| November | 41.3°F | 29.4°F | 35.3°F | 2.64 in | 2.5 in | 17 |
| December | 32.9°F | 24.5°F | 28.7°F | 2.31 in | 7.5 in | 17 |
Climate twins of Thompson Falls
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).