Weather in South Lake Tahoe: January
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Average day temperature: | 37.5°F |
| Average night temperature: | 27.0°F | |
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Sea water temperature: | 43.3°F |
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Number of sunny days: | 15 days |
| Day length: | 9.5 - 10.2 hours | |
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Number of days with precipitation: | 2 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| South Lake Tahoe |
temperature
| South Lake Tahoe |
Air temperature in January, °F
The highest day temperature during January of 2026 was 55°F. At the same time the lowest night temperature was 14°F. Daily and nightly averages during January were 43.8°F and 30.1°F.
Sea water temperature in South Lake Tahoe in January, °F
The average sea water temperature in January of 2026 was 44.3°F. The highest and lowest sea temperatures during the month were 45.9°F and 42.8°F.
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in South Lake Tahoe in January is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in January is 6.2 mph It makes January one of the least windy months of the year.
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: 6.4.
Best time for vacation in South Lake Tahoe
South Lake Tahoe on a weather map
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