
Wallowa-Whitman National Forest
- Annual mean
- 6.2 °C
- Warmest month
- July
- Wettest month
- December
Twelve-month climatology profile showing long-term averages for temperature, humidity, and precipitation
Eagle Cap Wilderness exhibits a distinct annual rhythm in its temperature and precipitation patterns as captured by long-term averages from 1991 to 2020. This climate profile provides month-by-month values for average minimum, mean, and maximum temperatures, along with daily precipitation rates, relative humidity, wind speed, and daylight hours measured at a representative coordinate. These statistics offer a baseline for understanding the atmospheric environment of this wilderness area rather than current weather conditions or short-term forecasts.

Long-term monthly averages tracking thermal range alongside daily precipitation rates across the calendar year
Compare average temperature bounds, daily precipitation rates, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -6.6 °C-19.8° to 1° | 2.7 mm/day | 96.9% | 2.3 m/s | 9 hours |
| February | -4.8 °C-17.2° to 3° | 2.3 mm/day | 93.6% | 2.3 m/s | 10.2 hours |
| March | -1 °C-12.5° to 10.5° | 2.3 mm/day | 84.8% | 2.3 m/s | 11.7 hours |
| April | 3.1 °C-7.5° to 18.4° | 2 mm/day | 74.5% | 2.4 m/s | 13.3 hours |
| May | 8.5 °C-3.7° to 24° | 2.1 mm/day | 69.1% | 2.3 m/s | 14.7 hours |
| June | 12.3 °C-0.2° to 28° | 1.6 mm/day | 66.2% | 2.3 m/s | 15.4 hours |
| July | 17.4 °C3.6° to 32.1° | 0.5 mm/day | 56.8% | 2.2 m/s | 15.1 hours |
| August | 17.3 °C3.5° to 31.8° | 0.5 mm/day | 51.9% | 2.1 m/s | 13.9 hours |
| September | 12.6 °C-1° to 28.9° | 0.8 mm/day | 54.8% | 2.1 m/s | 12.3 hours |
| October | 5.3 °C-6.2° to 21.6° | 1.5 mm/day | 67.2% | 2.2 m/s | 10.7 hours |
| November | -1.7 °C-13° to 10.6° | 2.5 mm/day | 83.8% | 2.3 m/s | 9.3 hours |
| December | -6.4 °C-19.1° to 2° | 3.1 mm/day | 95.1% | 2.4 m/s | 8.6 hours |
Comparative monthly normals for temperature, precipitation, humidity, wind, and daylight duration across the protected area.
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.
Analyze monthly weather patterns and annual atmospheric data across diverse landscapes






Continue your geographic discovery of Oregon by analyzing the protected landscape of Eagle Cap Wilderness. MoriAtlas provides a structured look at the mountain ridges, glacial basins, and river headwaters that define this unique wildlife reserve. Examine the high country layout and regional context of this vast wilderness area.