Channel Islands National Park in December
In December, Channel Islands National Park averages a high of 66°F and a low of 46°F, with 3.1 inches of precipitation (rain plus melted snow). About 16,000 people visit, the 10th busiest of 12 (moderate). Days are 9 hours 54 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 66° / 46°F
- Precipitation
- 3.1in
- Snow
- 0in
- Daylight
- 9h 54m
- Visitors
- 16,000
- Crowds
- Moderate
Best months for weather and crowds instead: May (busy), September (busy) and October (busy).
Weather 1991–2020 averages at Santa Barbara, CA, 27.5 miles from the park's center, 16 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in December
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Sequoia National Park | 37° / 17° | Quiet | Cold |
| Pinnacles National Park | 62° / 33° | Busy | Mild, wet |
| Kings Canyon National Park | 37° / 17° | Quiet | Cold |
| Joshua Tree National Park | 62° / 40° | Very busy | Mild, wet |
| Death Valley National Park | 66° / 41° | Busy | Mild, wet |
Closures, reservations and alerts: Channel Islands National Park on nps.gov
All twelve months at Channel Islands · National parks to visit in December