
Santa Monica Mountains National Recreation Area
- Annual mean
- 17.2 °C
- Warmest month
- August
- Wettest month
- February
Long-term averages for temperature, precipitation, humidity, wind, and daylight by month
Analyze the twelve-month climate profile for Angeles National Forest based on representative NASA POWER climatology records from 1991 to 2020. This data details monthly mean temperatures, average maximums and minimums, daily precipitation rates, humidity levels, wind speeds, and daylight hours. These metrics provide a standardized look at the atmospheric conditions measured at a specific point within the protected landscape.

Analyzing twelve-month average thermal ranges alongside daily precipitation rates across the landscape
Analyze average temperature bounds, daily precipitation rates, relative humidity, wind speed, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 8.2 °C-2.2° to 22.2° | 2.3 mm/day | 59.7% | 3.8 m/s | 10 hours |
| February | 9.1 °C-1.7° to 23.5° | 2.8 mm/day | 62.8% | 3.6 m/s | 10.8 hours |
| March | 11.4 °C-0.6° to 27.1° | 1.6 mm/day | 61.3% | 3.5 m/s | 11.8 hours |
| April | 13.9 °C1.1° to 31.3° | 0.6 mm/day | 56% | 3.7 m/s | 12.9 hours |
| May | 17.9 °C5° to 34.8° | 0.3 mm/day | 50.6% | 3.4 m/s | 13.8 hours |
| June | 22.5 °C7.8° to 38.9° | 0.1 mm/day | 39.9% | 3.3 m/s | 14.3 hours |
| July | 26.2 °C12.5° to 41.5° | 0.1 mm/day | 34.2% | 3.2 m/s | 14 hours |
| August | 26.5 °C13° to 41.1° | 0.1 mm/day | 31.1% | 3 m/s | 13.2 hours |
| September | 23.7 °C9.7° to 39.1° | 0.1 mm/day | 35.2% | 2.8 m/s | 12.2 hours |
| October | 18 °C5.4° to 34.2° | 0.5 mm/day | 40.7% | 3.2 m/s | 11.1 hours |
| November | 12 °C0.7° to 28.2° | 0.7 mm/day | 47.2% | 3.5 m/s | 10.2 hours |
| December | 7.9 °C-2.4° to 22.7° | 1.7 mm/day | 55.8% | 3.9 m/s | 9.7 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.
Calculated monthly comparisons for temperature, precipitation, humidity, wind, and daylight duration
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze monthly temperature, precipitation, and daylight rhythms across diverse protected landscapes








Delve into the mapped terrain and ecological framework of Angeles National Forest to understand its role as a premier protected area in California. MoriAtlas provides a structured view of the mountain corridors, wilderness zones, and hydrological features that characterize this sprawling urban-adjacent landscape.