Temperature
Cool by day, brisk at night.
Channel Islands of California is usually most comfortable from August to October. Typical daytime highs range from 58–65°F across the year. Most months see little rain.

Cool by day, brisk at night.
Mostly dry. About 2 wet days this month.
Plenty of sun this month.
In November, days and nights feel about the same, around 56°.
Mostly clear skies this month.
Breezy conditions are typical in November. More a comfort consideration than a planning concern.
November stays around 61°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 58 | 56 | 1.8 | 5 | 8.9 | 80 |
| Feb | 58 | 56 | 1.9 | 5 | 9.6 | 80 |
| Mar | 58 | 56 | 1.2 | 4 | 11.1 | 81 |
| Apr | 58 | 56 | 0.4 | 2 | 12.1 | 81 |
| May | 59 | 57 | 0.1 | 1 | 13.3 | 83 |
| Jun | 61 | 59 | 0.0 | 0 | 13.6 | 85 |
| Jul | 64 | 62 | 0.0 | 0 | 13.5 | 86 |
| Aug | 65 | 63 | 0.0 | 0 | 12.7 | 86 |
| Sep | 65 | 63 | 0.1 | 0 | 11.8 | 86 |
| Oct | 65 | 62 | 0.2 | 1 | 10.7 | 83 |
| Nov | 62 | 60 | 0.5 | 2 | 9.6 | 80 |
| Dec | 59 | 57 | 1.3 | 4 | 8.9 | 78 |
Similar climates
Want a side-by-side climate view? Compare Channel Islands of California with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology