Weather in Santa Cruz Island: October
| Average day temperature: | 76.8°F | |
| Average night temperature: | 70.3°F | |
| Sea water temperature: | 73.4°F | |
| Number of sunny days: | 6 days | |
| Day length: | 12.1 - 12.1 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.1 in. | |
| more information | ||
forecast
| Santa Cruz Island |
temperature
| Santa Cruz Island |
Air temperature in October, °F
The highest day temperature during October of 2026 was 86°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during October were 83.7°F and 77.4°F.
Sea water temperature in Santa Cruz Island in October, °F
The average sea water temperature in October of 2026 was 81.7°F. The highest and lowest sea temperatures during the month were 83.1°F and 80.6°F.
Mostly all days in October are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Santa Cruz Island in October is 0.1 in. Other months of the year show relatively similar values.
The average wind speed value in October is 9.6 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.3.
Best time for vacation in Santa Cruz Island
Santa Cruz Island on a weather map

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