World Resorts USA South Lake Tahoe Weather

South Lake Tahoe weather in May

Weather in South Lake Tahoe: May

Average day temperature: 58.7°F
Average night temperature: 40.7°F
Sea water temperature: 51.6°F
Number of sunny days: 21 days
Day length: 13.9 - 14.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 91°F. At the same time the lowest night temperature was 31°F. Daily and nightly averages during May were 69.4°F and 44.3°F.

Sea water temperature in South Lake Tahoe in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 51.5°F. The highest and lowest sea temperatures during the month were 58.1°F and 47.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in South Lake Tahoe in May is 0.5 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 6.7 mph It makes May one of the most 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 May is: 11.1.

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: +34°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
South Lake Tahoe
Local time: 00:30
December 05, friday
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
December 06, saturday
0000
39°F
NE
7 mph
Units of measurement: °C / °F