Rogue-Umpqua Divide Wilderness
- Annual mean
- 7.8 °C
- Warmest month
- August
- Wettest month
- December
Annual profiles of temperature, precipitation, humidity, wind, and daylight hours
At the representative location for Crater Lake National Park, monthly mean temperatures range from -2.9 to 16.2 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.
Evaluating long-term average monthly temperatures alongside daily precipitation distributions
Comparing twelve months of average temperature bounds, daily precipitation, wind, and daylight
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -2.5 °C-14° to 6.1° | 4.5 mm/day | 91.8% | 2.4 m/s | 9.2 hours |
| February | -1.8 °C-12.9° to 8.2° | 3.6 mm/day | 89.8% | 2.4 m/s | 10.3 hours |
| March | 0.2 °C-11° to 13.2° | 3.5 mm/day | 85.7% | 2.4 m/s | 11.7 hours |
| April | 3 °C-7.3° to 18.2° | 2.7 mm/day | 79.6% | 2.3 m/s | 13.2 hours |
| May | 7.7 °C-4.1° to 23° | 2.1 mm/day | 75.1% | 2.1 m/s | 14.5 hours |
| June | 11.3 °C-1.3° to 27.1° | 1.2 mm/day | 71.3% | 2 m/s | 15.1 hours |
| July | 16.2 °C3° to 30.6° | 0.4 mm/day | 64% | 1.8 m/s | 14.8 hours |
| August | 15.7 °C3.1° to 31.2° | 0.5 mm/day | 59.7% | 1.8 m/s | 13.7 hours |
| September | 12.2 °C-0.8° to 28.4° | 0.9 mm/day | 59.1% | 2 m/s | 12.3 hours |
| October | 6.2 °C-5.2° to 22.7° | 2.1 mm/day | 69.4% | 2.1 m/s | 10.8 hours |
| November | 0.5 °C-10.8° to 14.8° | 4.3 mm/day | 84.6% | 2.4 m/s | 9.5 hours |
| December | -2.9 °C-15.1° to 5.7° | 5.4 mm/day | 91.4% | 2.5 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.
Tracing long-term monthly averages for temperature, daily precipitation rates, and daylight duration.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Study variations in monthly temperature, humidity, and precipitation across diverse regional landscapes


Explore the map, landscapes, and protection details for Crater Lake National Park.