Mount Hood National Recreation Area
- Annual mean
- 8.3 °C
- Warmest month
- August
- Wettest month
- December
Atmospheric data profiles measuring regional climate patterns through a representative elevation point
Annual climate cycles for Roaring River Wilderness are captured through representative-point measurements of temperature, humidity, and precipitation. These records display 1991 to 2020 atmospheric normals, offering a consistent dataset for studying monthly variations in daylight, wind speed, and moisture levels across the calendar year. All data points reflect long-term averages from a specific elevation of 987.58 meters, providing a technical perspective on the environmental conditions within this wildlife reserve.

Long-term monthly averages tracking thermal ranges and precipitation rates across twelve months
Compare average temperature bounds, daily precipitation rates, and daylight hours across the annual cycle
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -0.1 °C-11.3° to 9.6° | 6.4 mm/day | 93.6% | 2.5 m/s | 9 hours |
| February | 0.5 °C-10° to 11.9° | 5.3 mm/day | 90.6% | 2.4 m/s | 10.2 hours |
| March | 2.5 °C-6.5° to 15.8° | 5.1 mm/day | 87.6% | 2.2 m/s | 11.7 hours |
| April | 5 °C-3.9° to 20.3° | 4.1 mm/day | 83.9% | 2.1 m/s | 13.3 hours |
| May | 9 °C-0.9° to 24.3° | 3 mm/day | 81.2% | 2 m/s | 14.7 hours |
| June | 11.8 °C2.5° to 26.5° | 2.1 mm/day | 80.1% | 1.9 m/s | 15.4 hours |
| July | 15.6 °C5.6° to 29.7° | 0.5 mm/day | 74.7% | 1.7 m/s | 15.1 hours |
| August | 15.7 °C5.2° to 30.9° | 0.6 mm/day | 71.4% | 1.7 m/s | 13.8 hours |
| September | 12.7 °C2.2° to 29.5° | 1.6 mm/day | 71.7% | 1.8 m/s | 12.3 hours |
| October | 7.4 °C-3.1° to 23.3° | 4 mm/day | 80.3% | 2.1 m/s | 10.7 hours |
| November | 2.5 °C-7.4° to 14.9° | 6.7 mm/day | 90.6% | 2.3 m/s | 9.3 hours |
| December | -0.5 °C-10.9° to 8.6° | 7.3 mm/day | 94% | 2.5 m/s | 8.6 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 analysis of long-term temperature, precipitation, humidity, wind, and daylight normals
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature and precipitation rhythms across diverse regional settings.







Investigate the protected terrain, river corridors, and alpine basins of the Roaring River Wilderness. This detailed view offers an essential look at the geography and ecological structure of a key Oregon wildlife reserve, deepening your understanding of the broader Cascade Range through precise mapping and landscape analysis.