
Eagle Cap Wilderness
- Annual mean
- 4.7 °C
- Warmest month
- July
- Wettest month
- December
Detailed climatology based on NASA POWER data at a representative 1355-meter elevation point
The Wallowa-Whitman National Forest climate profile documents long-term atmospheric patterns from 1991 to 2020. This resource displays monthly averages for temperature, precipitation, relative humidity, wind speed, and daylight hours derived from a single representative point. These measurements provide a consistent baseline for understanding seasonal variations across the year, distinct from real-time weather forecasts or current conditions.

Long-term monthly temperature averages and daily precipitation rates across twelve months at a representative coordinate
Analyze long-term temperature bounds, precipitation rates, humidity, wind speed, and daylight hours across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -5 °C-18.4° to 2.8° | 2.3 mm/day | 93% | 3.3 m/s | 9 hours |
| February | -3.1 °C-15.2° to 6.3° | 2.2 mm/day | 88% | 3 m/s | 10.2 hours |
| March | 0.9 °C-10° to 14.1° | 2.4 mm/day | 78.3% | 2.9 m/s | 11.7 hours |
| April | 4.7 °C-5.5° to 20.6° | 2.2 mm/day | 70.6% | 2.6 m/s | 13.3 hours |
| May | 10 °C-2.4° to 25.7° | 2.3 mm/day | 65.7% | 2.4 m/s | 14.7 hours |
| June | 13.8 °C1.4° to 29.3° | 1.9 mm/day | 63.5% | 2.2 m/s | 15.4 hours |
| July | 19 °C5.5° to 32.7° | 0.6 mm/day | 54.2% | 2 m/s | 15.1 hours |
| August | 18.6 °C5.5° to 32.5° | 0.6 mm/day | 51.5% | 2 m/s | 13.9 hours |
| September | 13.8 °C0.4° to 29.8° | 0.9 mm/day | 55.3% | 2.1 m/s | 12.3 hours |
| October | 6.4 °C-5.1° to 23° | 1.5 mm/day | 67.1% | 2.5 m/s | 10.6 hours |
| November | -0.3 °C-11.3° to 12.5° | 2.4 mm/day | 81.3% | 3.1 m/s | 9.3 hours |
| December | -4.9 °C-17.3° to 3.9° | 2.7 mm/day | 91% | 3.4 m/s | 8.6 hours |
Comparing long-term monthly averages for temperature, precipitation, wind, humidity, 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.
Analyze monthly temperature, precipitation, and daylight variations across distinct regional landscapes.







Navigate the complex terrain and protected watersheds of Wallowa-Whitman National Forest through detailed map-based discovery. Use the MoriAtlas database to examine how these mountain ranges and river canyons define the regional character of northeastern Oregon.