Weather in South Lake Tahoe: August
| Average day temperature: | 75.7°F | |
| Average night temperature: | 55.2°F | |
| Sea water temperature: | 68.5°F | |
| Number of sunny days: | 25 days | |
| Day length: | 13.1 - 14.2 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.2 in. | |
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| South Lake Tahoe |
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| South Lake Tahoe |
Air temperature in August, °F
The highest day temperature during August of 2025 was 88°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during August were 78.0°F and 56.1°F.
Sea water temperature in South Lake Tahoe in August, °F
The average sea water temperature in August of 2025 was 68.1°F. The highest and lowest sea temperatures during the month were 70.7°F and 66.6°F.
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in South Lake Tahoe in August is 0.2 in. Other months of the year show relatively similar values.
The average wind speed value in August is 6.3 mph It makes August 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 August is: 11.9.
Best time for vacation in South Lake Tahoe
South Lake Tahoe on a weather map

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