Weather in Santa Monica: January
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Average day temperature: | 63.8°F |
Average night temperature: | 53.3°F | |
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Sea water temperature: | 58.9°F |
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Number of sunny days: | 21 days |
Day length: | 9.9 - 10.5 hours | |
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Number of rainy days: | 2 days |
Precipitation totals: | 1.4 in. | |
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Santa Monica |
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Santa Monica |
Air temperature in January, °F
Day temperature | Night temperature |
The highest day temperature during January of 2025 was 72°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during January were 63.3°F and 51.8°F.
Sea water temperature in Santa Monica in January, °F
The average sea water temperature in January of 2025 was 57.0°F. The highest and lowest sea temperatures during the month were 57.9°F and 55.4°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Santa Monica in January is 1.8 in. Other months of the year show relatively similar values.
The average wind speed value in January is 5.4 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 January is: 7.3.
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Santa Monica on a weather map

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