Measurements:
°C
°F
San Jose
92°F
S 5 mph
Feels like: 90°F
Precip: 0%
World Resorts USA San Jose Weather

San Jose Sea Water Temperature

Current Sea Water Temperature:
+66.0°F
Maximum Sea Water Temperature in October: 76.6°F
Minimum Sea Water Temperature in October: 54.4°F
Average water temperature in October: 62.8°F

Sea Water Temperature for the Last 10 Days:

October 05 66.0°F September 30 66.6°F
October 04 66.0°F September 29 66.2°F
October 03 66.4°F September 28 67.6°F
October 02 66.6°F September 27 68.2°F
October 01 66.8°F September 26 68.2°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 +60
Hawaii +82
Houston +84
Las Vegas +92
Los Angeles +102
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
San Jose
Local time: 18:00
05 oct, monday
2100 74°F
S
2 mph
06 oct, tuesday
0000 72°F
NE
1 mph
0300 72°F
E
1 mph
0600 72°F
N
1 mph
0900 86°F
S
2 mph
1200 100°F
S
5 mph
1500 102°F
S
8 mph
1800 94°F
S
6 mph