
Siuslaw National Forest
- Annual mean
- 10.1 °C
- Warmest month
- August
- Wettest month
- December
Tracking annual variations in temperature, precipitation, and atmospheric conditions
Detailed climatology for Drift Creek Wilderness in Oregon, utilizing representative point data spanning 1991 to 2020. Examine monthly trends across average minimum and maximum temperatures, daily precipitation rates, relative humidity, wind speed, and daylight hours. Accurate environmental records provide clear insight into the long term atmospheric patterns of this protected wildlife reserve without relying on current weather or seasonal forecasts.

Long-term monthly averages tracking temperature ranges and daily precipitation patterns across the year
Track average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 5.6 °C-2.4° to 12.8° | 7.7 mm/day | 92.8% | 2.9 m/s | 9.1 hours |
| February | 6 °C-2.1° to 14.8° | 6.2 mm/day | 90.3% | 2.7 m/s | 10.2 hours |
| March | 7.1 °C-0.3° to 17.1° | 5.8 mm/day | 88.3% | 2.6 m/s | 11.7 hours |
| April | 8.6 °C1.3° to 20.3° | 4.3 mm/day | 86.1% | 2.5 m/s | 13.3 hours |
| May | 11.3 °C3.8° to 23.6° | 2.6 mm/day | 84.6% | 2.3 m/s | 14.6 hours |
| June | 13.5 °C6.8° to 25° | 1.6 mm/day | 84.2% | 2.3 m/s | 15.3 hours |
| July | 15.6 °C8.6° to 26.4° | 0.4 mm/day | 83.9% | 2.3 m/s | 15 hours |
| August | 15.7 °C8.8° to 26.5° | 0.6 mm/day | 84.5% | 2.1 m/s | 13.8 hours |
| September | 14.3 °C6.8° to 26.8° | 1.7 mm/day | 84.5% | 2.1 m/s | 12.3 hours |
| October | 10.9 °C1.8° to 22.2° | 4.2 mm/day | 87.2% | 2.4 m/s | 10.7 hours |
| November | 7.5 °C-1.1° to 16.1° | 7.8 mm/day | 91.5% | 2.7 m/s | 9.4 hours |
| December | 5.3 °C-3.1° to 12.9° | 8.8 mm/day | 92.9% | 2.9 m/s | 8.7 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 normals for temperature, precipitation, humidity, wind, and daylight duration across the park.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature, precipitation, humidity, and daylight across diverse protected landscapes








Examine the detailed geographic boundaries and ecological features of Drift Creek Wilderness with MoriAtlas. Gain insights into the complex old growth terrain and stream-carved ecosystems that define this protected Oregon wildlife reserve, supporting deeper understanding of Pacific Northwest wilderness geography.