
Umpqua National Forest
- Annual mean
- 7.8 °C
- Warmest month
- August
- Wettest month
- December
Detailed climatological averages for temperature, precipitation, and daylight duration
Climate data for Rogue-Umpqua Divide Wilderness provides a twelve-month overview of atmospheric conditions based on NASA POWER measurements from 1991 to 2020. These metrics represent long-term averages at a single coordinate, tracking monthly shifts in mean temperatures, daily precipitation rates, relative humidity, and wind speed. Use these verified climate normals to understand the annual rhythm of this Oregon location without reference to current weather or short-term forecasts.

Analysis of twelve-month average thermal ranges and daily precipitation rates across long-term records
Compare average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight 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 | 15.1 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 | 10.8 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 |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparative monthly averages for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Explore long-term monthly climate normals across diverse protected landscapes and settings.







Continue mapping the rugged terrain and dense forest ridges of the Rogue-Umpqua Divide Wilderness through MoriAtlas. Examine how this high-country preserve acts as a watershed boundary in southwestern Oregon, offering a deep look into the regional geography and protected-area status of the Klamath Mountains.