Measurements:
°C
°F
South Lake Tahoe
34°F
NE 2 mph
Feels like: 32°F
Precip: 0%
World Resorts USA South Lake Tahoe Weather

South Lake Tahoe Sea Water Temperature

Current Sea Water Temperature:
+43.4°F
Maximum Sea Water Temperature in January: 45.4°F
Minimum Sea Water Temperature in January: 40.6°F
Average water temperature in January: 42.5°F

Sea Water Temperature for the Last 10 Days:

January 29 43.4°F January 24 43.4°F
January 28 43.0°F January 23 42.0°F
January 27 43.8°F January 22 42.2°F
January 26 43.2°F January 21 43.6°F
January 25 43.2°F January 20 43.8°F

When is the Warmest Sea for South Lake Tahoe?

According to our data for the last three years for South Lake Tahoe the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for South Lake Tahoe was 70.2°F. The maximum and minimum values were 68.4°F and 73.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for South Lake Tahoe was 68.4°F. The maximum and minimum values were 64.8°F and 71.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for South Lake Tahoe was 67.7°F. The maximum and minimum values were 65.8°F and 70.2°F respectively.

Best Time to Visit South Lake Tahoe
The most sunny months:
July 27 days
September 25 days
August 25 days
The most warm months:
July 80.7 °F
August 78.5 °F
September 71.9 °F
Warmest sea temperature:
August 70.5 °F
July 69.6 °F
September 67.3 °F
The most cold months:
January 36.0 °F
February 36.3 °F
March 37.9 °F
The most rainy months:
December 2 days
January 1 day
October 1 day
The most windy months:
March 7 mph
June 7 mph
February 7 mph

South Lake Tahoe on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
South Lake Tahoe
Local time: 07:55
29 jan, thursday
0900 34°F
NE
2 mph
1200 46°F
W
2 mph
1500 50°F
SW
2 mph
1800 40°F
NW
2 mph
2100 34°F
N
4 mph
30 jan, friday
0000 32°F
NE
4 mph
0300 32°F
NE
5 mph
0600 32°F
NE
5 mph