Measurements:
°C
°F
San Jose
52°F
SE 5 mph
Feels like: 52°F
Precip: 11%
World Resorts USA San Jose Weather

San Jose Sea Water Temperature

Current Sea Water Temperature:
+64.8°F
Maximum Sea Water Temperature in October: 76.6°F
Minimum Sea Water Temperature in October: 54.4°F
Average water temperature in October: 62.9°F

Sea Water Temperature for the Last 10 Days:

October 26 64.8°F October 21 63.8°F
October 25 64.2°F October 20 63.6°F
October 24 63.6°F October 19 64.4°F
October 23 64.4°F October 18 64.4°F
October 22 64.8°F October 17 63.4°F

When is the Warmest Sea for San Jose?

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

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for San Jose was 69.9°F. The maximum and minimum values were 66.2°F and 74.0°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for San Jose was 72.2°F. The maximum and minimum values were 70.0°F and 74.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for San Jose was 71.1°F. The maximum and minimum values were 68.0°F and 73.6°F respectively.

Best Time to Visit San Jose
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
July 89.5 °F
August 89.2 °F
September 84.4 °F
Warmest sea temperature:
September 65.2 °F
August 64.9 °F
July 64.6 °F
The most cold months:
December 57.5 °F
January 58.9 °F
February 60.6 °F
The most rainy months:
February 3 days
January 3 days
March 3 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph

San Jose on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +76
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +66
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +74
Washington +56
24 Hours Weather Forecast
San Jose
Local time: 19:42
26 oct, monday
2100 52°F
SE
5 mph
27 oct, tuesday
0000 50°F
SE
3 mph
0300 50°F
SE
3 mph
0600 46°F
SE
2 mph
0900 56°F
SE
2 mph
1200 66°F
SE
3 mph
1500 70°F
SE
6 mph
1800 60°F
SE
7 mph