Ennis, MT
Climate overview — based on NOAA 1991-2020 normals from ENNIS, MT US.
Year-round temperatures (°F)
Climate summary
Ennis has an annual average temperature of 42.7°F with about 13 inches of precipitation per year and 44.7 inches of snow. The warmest month is July (average high 82.8°F), and the coldest is December (average low 14.5°F). June is typically the wettest month (2.23 in) and January the driest (0.45 in). Snow typically falls from January through December.
Best time to visit Ennis
Full guide →Climate change signal
All-time records →75 of 366 (20.5%) of Ennis'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.
| 1910s | 34 | |
| 1920s | 28 | |
| 1930s | 29 | |
| 1940s | 14 | |
| 1950s | 23 | |
| 1960s | 25 | |
| 1970s | 13 | |
| 1980s | 35 | |
| 1990s | 34 | |
| 2000s | 43 | |
| 2010s | 30 | |
| 2020s | 58 |
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 | 15.1°F | 24.6°F | 0.45 in | 6.5 in | 5 |
| February | 37.1°F | 15.3°F | 26.2°F | 0.51 in | 7.6 in | 6 |
| March | 46.4°F | 21.7°F | 34.0°F | 0.84 in | 6.6 in | 8 |
| April | 54.6°F | 27.6°F | 41.1°F | 1.47 in | 6.0 in | 11 |
| May | 64.1°F | 34.7°F | 49.4°F | 1.93 in | 1.3 in | 12 |
| June | 72.6°F | 40.7°F | 56.7°F | 2.23 in | 0.2 in | 11 |
| July | 82.8°F | 45.5°F | 64.2°F | 1.16 in | — | 8 |
| August | 82.1°F | 43.6°F | 62.8°F | 1.02 in | — | 7 |
| September | 72.2°F | 37.1°F | 54.6°F | 0.97 in | 0.1 in | 7 |
| October | 57.6°F | 29.0°F | 43.3°F | 1.14 in | 2.2 in | 8 |
| November | 42.7°F | 21.6°F | 32.1°F | 0.69 in | 6.9 in | 7 |
| December | 33.2°F | 14.5°F | 23.8°F | 0.54 in | 7.3 in | 6 |
Climate twins of Ennis
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).