Channel Islands National Park
- Annual mean
- 16.9 °C
- Warmest month
- September
- Wettest month
- February
Twelve month atmospheric profile featuring average temperature, precipitation, humidity, wind, and daylight data.
The climate profile for Channel Islands National Marine Sanctuary provides an analytical view of atmospheric variables based on representative data recorded from 1991 to 2020. This index details monthly average maximums, minimums, and mean temperatures alongside daily precipitation rates and relative humidity levels. Detailed wind speeds and average daylight hours characterize the annual cycle at a representative elevation of 46.33 meters, offering a precise climatological reference for this marine protected area.
Long term monthly temperature means and average daily precipitation rates across twelve months
Compare twelve months of average temperature bounds, daily precipitation rates, and daylight hours
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 13.8 °C10.1° to 19.6° | 3.2 mm/day | 76.6% | 4.5 m/s | 10 hours |
| February | 13.6 °C9.9° to 19.3° | 3.6 mm/day | 78.2% | 5 m/s | 10.8 hours |
| March | 13.7 °C10° to 19.4° | 2.5 mm/day | 80% | 5.3 m/s | 11.8 hours |
| April | 13.8 °C10.4° to 20° | 0.8 mm/day | 79.9% | 6 m/s | 12.9 hours |
| May | 14.7 °C11.7° to 19.7° | 0.4 mm/day | 81.1% | 6 m/s | 13.8 hours |
| June | 16.1 °C12.9° to 20.8° | 0.1 mm/day | 80.5% | 5.6 m/s | 14.2 hours |
| July | 17.8 °C14.5° to 22.3° | 0.1 mm/day | 80.2% | 5 m/s | 14 hours |
| August | 18.5 °C15.4° to 23.2° | 0 mm/day | 79% | 5.1 m/s | 13.2 hours |
| September | 18.6 °C15.3° to 24.6° | 0.1 mm/day | 78.3% | 4.9 m/s | 12.2 hours |
| October | 17.8 °C14.4° to 24.8° | 0.6 mm/day | 76.1% | 4.7 m/s | 11.1 hours |
| November | 16 °C12.1° to 22.4° | 1.1 mm/day | 74.2% | 4.6 m/s | 10.2 hours |
| December | 14 °C10.2° to 19.4° | 2.4 mm/day | 74.6% | 4.7 m/s | 9.8 hours |
Comparative monthly averages for temperature, precipitation, wind, humidity, and daylight duration
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Analyze monthly climate normals, annual temperature rhythms, and regional atmospheric patterns across diverse protected landscapes.





Navigate the complex marine boundaries and underwater terrain of this essential protected area. MoriAtlas provides a clear view of the sanctuary ecosystem, including the seafloor gradients and island connections that shape this productive California coastal zone.