Measurements:
°C
°F
Yosemite
60°F
E 5 mph
Feels like: 60°F
Precip: 0%
World Resorts USA Yosemite Weather

Yosemite Sea Water Temperature

Current Sea Water Temperature:
+36.4°F
Maximum Sea Water Temperature in March: 44.2°F
Minimum Sea Water Temperature in March: 30.0°F
Average water temperature in March: 37.2°F

Sea Water Temperature for the Last 10 Days:

March 13 36.4°F March 08 36.4°F
March 12 36.4°F March 07 36.4°F
March 11 36.4°F March 06 36.2°F
March 10 36.4°F March 05 36.2°F
March 09 36.4°F March 04 36.2°F

When is the Warmest Sea for Yosemite?

According to our data for the last three years for Yosemite 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 Yosemite was 71.4°F. The maximum and minimum values were 70.4°F and 72.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Yosemite was 70.4°F. The maximum and minimum values were 67.4°F and 72.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Yosemite was 67.3°F. The maximum and minimum values were 63.0°F and 70.4°F respectively.

Best Time to Visit Yosemite
The most sunny months:
August 28 days
July 27 days
June 25 days
The most warm months:
July 75.6 °F
August 75.3 °F
September 67.6 °F
Warmest sea temperature:
August 69.4 °F
July 68.7 °F
September 65.4 °F
The most cold months:
February 34.4 °F
December 35.3 °F
January 35.5 °F
The most rainy months:
May 3 days
July 2 days
April 2 days
The most windy months:
June 7 mph
August 7 mph
July 6 mph

Yosemite on the Weather Map

USA Resorts:
NAME
Chicago +42
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +96
Los Angeles +100
Maui +70
Miami +84
Miami Beach +82
New York +42
San Diego +94
San Francisco +72
Sarasota +80
Tampa +80
Washington +56
24 Hours Weather Forecast
Yosemite
Local time: 14:00
13 mar, friday
1500 60°F
E
5 mph
1800 54°F
E
2 mph
2100 52°F
W
5 mph
14 mar, saturday
0000 50°F
W
4 mph
0300 48°F
W
4 mph
0600 44°F
W
6 mph
0900 48°F
E
1 mph
1200 54°F
E
7 mph