Rattlesnake Wilderness
- Annual mean
- 3.9 °C
- Warmest month
- July
- Wettest month
- June
Detailed twelve-month climate normals based on representative coordinate data for 1991 to 2020
Monthly climate data for Mission Mountains Wilderness provides a longitudinal look at temperature, precipitation, humidity, wind speed, and daylight hours. These averages originate from a single representative coordinate at an elevation of 1551.31 meters to illustrate seasonal patterns across the calendar year. Consistent atmospheric measurement ensures a factual reference for climatology based on the 1991 to 2020 period, distinct from short-term weather forecasts or current conditions.
Examining twelve-month thermal ranges alongside average daily precipitation rates for Montana protected terrain.
Analyze average temperature bounds, daily precipitation rates, and daylight hours for each month of the year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -7.8 °C-24.7° to 0.6° | 3.4 mm/day | 97.2% | 2 m/s | 8.7 hours |
| February | -7.3 °C-23.8° to 1.3° | 2.9 mm/day | 97% | 2.1 m/s | 10 hours |
| March | -3.5 °C-18.4° to 5.8° | 2.8 mm/day | 93.1% | 2.1 m/s | 11.7 hours |
| April | 1.3 °C-10.2° to 14.8° | 2.7 mm/day | 82.2% | 2.1 m/s | 13.4 hours |
| May | 7.5 °C-4.1° to 21.9° | 2.8 mm/day | 73.4% | 2.1 m/s | 14.9 hours |
| June | 11.6 °C-0° to 25.6° | 3.2 mm/day | 72% | 2.1 m/s | 15.7 hours |
| July | 16.7 °C4.2° to 30.1° | 1.2 mm/day | 61.3% | 1.9 m/s | 15.3 hours |
| August | 16.7 °C3.9° to 30.9° | 1.2 mm/day | 54.1% | 1.9 m/s | 14 hours |
| September | 11.2 °C-2° to 27.5° | 1.6 mm/day | 59.7% | 2 m/s | 12.3 hours |
| October | 3.5 °C-8.6° to 20.3° | 2.5 mm/day | 73.7% | 2.1 m/s | 10.5 hours |
| November | -3.4 °C-16.8° to 8.3° | 3.2 mm/day | 89.7% | 2 m/s | 9.1 hours |
| December | -8.1 °C-23.9° to 0.9° | 3.2 mm/day | 96.5% | 2 m/s | 8.3 hours |
Comparing long-term monthly normals for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Explore long-term monthly climate normals across diverse regional parks and natural settings





Navigate the rugged terrain and alpine features of Mission Mountains Wilderness. MoriAtlas provides the structural context needed to understand this critical Montana protected area, from its steep ridgelines and glacial basins to its role within the wider northern Rockies wilderness network.