
Mount Thielsen Wilderness
- Annual mean
- 5.5 °C
- Warmest month
- July
- Wettest month
- December
Representative annual climatology covering temperature, humidity, wind, and daylight cycles
Access the twelve-month climate profile for Umpqua National Forest, reflecting long-term atmospheric patterns between 1991 and 2020. Measurements derived from a single representative point include mean, minimum, and maximum temperatures; daily precipitation rates; relative humidity; wind speed; and daylight duration. These records provide a consistent look at the environmental rhythms governing this Oregon landscape through every month of the calendar year.
Long term monthly temperature ranges and average daily precipitation rates across the calendar year
Analyze average temperature bounds, daily precipitation rates, humidity, wind speed, and daylight hours across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 0.4 °C-10.1° to 10.3° | 5.1 mm/day | 90.4% | 2.3 m/s | 9.2 hours |
| February | 1 °C-9° to 12.5° | 4.1 mm/day | 88.5% | 2.2 m/s | 10.3 hours |
| March | 2.8 °C-7.8° to 16° | 3.9 mm/day | 85.9% | 2 m/s | 11.7 hours |
| April | 5 °C-5.1° to 20.4° | 3.2 mm/day | 82.5% | 2 m/s | 13.2 hours |
| May | 9.3 °C-2.4° to 24.8° | 2.2 mm/day | 79.2% | 1.9 m/s | 14.5 hours |
| June | 12.6 °C0.8° to 28.4° | 1.3 mm/day | 76.6% | 1.8 m/s | 15.2 hours |
| July | 17.5 °C4.8° to 32.7° | 0.4 mm/day | 67.3% | 1.8 m/s | 14.8 hours |
| August | 17.9 °C4.9° to 34.3° | 0.4 mm/day | 58.7% | 1.8 m/s | 13.7 hours |
| September | 14.8 °C1.3° to 32.3° | 1 mm/day | 56.8% | 1.9 m/s | 12.3 hours |
| October | 8.9 °C-3.3° to 26.4° | 2.5 mm/day | 67.8% | 2 m/s | 10.7 hours |
| November | 3.2 °C-8° to 17.9° | 5 mm/day | 84.5% | 2.1 m/s | 9.5 hours |
| December | -0.1 °C-11° to 9.8° | 6.2 mm/day | 90.2% | 2.3 m/s | 8.9 hours |
Long-term monthly average comparisons 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 temperature, precipitation, and atmospheric normals across diverse regional landscapes.



Deepen your understanding of Umpqua National Forest through this MoriAtlas entry. Examine the precise geographic extent of this southern Oregon protected landscape, its unique volcanic features, and its vital role within the larger Cascade Range, providing a clear visual and structured map for regional exploration.