World Resorts USA South Lake Tahoe Weather

South Lake Tahoe weather in August

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.

Air temperature in August, °F

Show year:
2025
2024
2023

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

Show year:
2025
2024
2023

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.

Sunny, partly cloudy and cloudy days

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.

Wind speed in August, mph

The average wind speed value in August is 6.3 mph It makes August one of the least windy months of the year.

Average sunny hours

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

Sunniest months:
July 27 days
September 25 days
August 25 days
Warmest months:
July 77.6 °F
August 75.7 °F
September 69.7 °F
Warmest sea temp:
August 68.4 °F
July 67.7 °F
September 65.5 °F
Coldest months:
January 36.5 °F
February 37.7 °F
December 38.8 °F
Rainiest months:
December 2 days
October 1 day
March 1 day
Windiest months:
March 7.8 mph
June 7.0 mph
February 6.9 mph

South Lake Tahoe on a weather map

South Lake Tahoe
+34°F
SW 1 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
South Lake Tahoe
Local time: 21:29
December 05, friday
0000
34°F
SW
1 mph
0300
34°F
N
1 mph
0600
32°F
W
1 mph
0900
32°F
W
4 mph
1200
41°F
W
4 mph
1500
50°F
SW
2 mph
1800
46°F
NE
2 mph
2100
41°F
NE
5 mph
Units of measurement: °C / °F