Weather in South Lake Tahoe: July
| Average day temperature: | 77.6°F | |
| Average night temperature: | 56.4°F | |
| Sea water temperature: | 67.7°F | |
| Number of sunny days: | 27 days | |
| Day length: | 14.2 - 14.8 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.1 in. | |
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| South Lake Tahoe |
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| South Lake Tahoe |
Air temperature in July, °F
The highest day temperature during July of 2025 was 89°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during July were 76.9°F and 54.8°F.
Sea water temperature in South Lake Tahoe in July, °F
The average sea water temperature in July of 2025 was 66.6°F. The highest and lowest sea temperatures during the month were 69.4°F and 63.3°F.
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in South Lake Tahoe in July is 0.1 in. Other months of the year show relatively similar values.
The average wind speed value in July is 6.6 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 July is: 12.9.
Best time for vacation in South Lake Tahoe
South Lake Tahoe on a weather map

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