
Olympic National Forest
- Annual mean
- 8.5 °C
- Warmest month
- August
- Wettest month
- November
Review long-term averages for temperature, precipitation, wind, and daylight at a representative elevation.
Examine the twelve-month climatological profile for Mount Skokomish Wilderness based on NASA POWER records. This data details the long-term averages for mean temperature, daily precipitation, relative humidity, wind speed, and daylight hours at a single representative coordinate within the reserve. These figures offer a consistent baseline for understanding seasonal rhythms, independent of daily weather fluctuations or site-wide terrain variations.

Long-term monthly thermal progression and average daily precipitation tracking across the annual cycle
Analyze average temperature bounds, daily precipitation rates, humidity, wind speed, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 1.7 °C-7.6° to 9.8° | 9.8 mm/day | 93.9% | 1.9 m/s | 8.7 hours |
| February | 2.3 °C-6.1° to 11.4° | 6.8 mm/day | 90.7% | 1.9 m/s | 10 hours |
| March | 3.9 °C-3.9° to 15.2° | 7.1 mm/day | 88.8% | 1.9 m/s | 11.7 hours |
| April | 6.5 °C-2.1° to 19.8° | 4.8 mm/day | 84% | 1.8 m/s | 13.4 hours |
| May | 10.5 °C0° to 24.8° | 2.7 mm/day | 80% | 1.6 m/s | 14.9 hours |
| June | 13.1 °C3.5° to 27.8° | 2 mm/day | 80.1% | 1.5 m/s | 15.7 hours |
| July | 16.3 °C6.1° to 32.4° | 0.9 mm/day | 77.9% | 1.4 m/s | 15.3 hours |
| August | 16.2 °C6.4° to 32.3° | 1.3 mm/day | 78.1% | 1.4 m/s | 14 hours |
| September | 13.4 °C3.2° to 29.5° | 2.4 mm/day | 80.2% | 1.6 m/s | 12.3 hours |
| October | 8.3 °C-1.2° to 22.5° | 6.1 mm/day | 87.2% | 1.8 m/s | 10.5 hours |
| November | 4.1 °C-5.2° to 14.1° | 10.2 mm/day | 92.8% | 1.9 m/s | 9 hours |
| December | 1.4 °C-7.3° to 10° | 10.1 mm/day | 93.9% | 1.9 m/s | 8.3 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.
Comparing twelve stored monthly averages for temperature, precipitation, wind, humidity, and daylight duration.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Examine monthly temperature, precipitation, and atmospheric normals across different geographic settings.








Delve into the precise topographical details and regional significance of Mount Skokomish Wilderness through the MoriAtlas dataset. Trace the connections between its sharp ridgelines, alpine basins, and the surrounding protected mountain ecosystems within the Olympic Peninsula.