Measurements:
°C
°F
San Jose
76°F
NW 9 mph
Feels like: 78°F
Precip: 0%
World Resorts Spain San Jose Weather

San Jose Sea Water Temperature

Current Sea Water Temperature:
+65.2°F
Maximum Sea Water Temperature in April: 68.2°F
Minimum Sea Water Temperature in April: 57.2°F
Average water temperature in April: 62.2°F

Sea Water Temperature for the Last 10 Days:

April 19 65.2°F April 14 62.4°F
April 18 64.6°F April 13 62.6°F
April 17 63.8°F April 12 62.4°F
April 16 63.4°F April 11 61.4°F
April 15 62.8°F April 10 61.6°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 August, September and July.

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 San Jose was 82.4°F. The maximum and minimum values were 80.6°F and 84.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for San Jose was 80.3°F. The maximum and minimum values were 77.8°F and 83.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for San Jose was 82.0°F. The maximum and minimum values were 76.8°F and 84.8°F respectively.

Best Time to Visit San Jose
The most sunny months:
July 30 days
August 29 days
June 28 days
The most warm months:
August 92.6 °F
July 91.9 °F
September 85.8 °F
Warmest sea temperature:
August 81.5 °F
September 79.0 °F
July 78.5 °F
The most cold months:
January 61.3 °F
February 62.6 °F
December 63.7 °F
The most rainy months:
January 1 day
November 1 day
February 1 day
The most windy months:
March 9 mph
April 9 mph
February 9 mph

San Jose on the Weather Map

24 Hours Weather Forecast
San Jose
Local time: 17:22
19 apr, sunday
1800 76°F
NW
9 mph
2100 68°F
W
4 mph
20 apr, monday
0000 64°F
SW
5 mph
0300 62°F
W
2 mph
0600 60°F
SW
4 mph
0900 66°F
NW
1 mph
1200 74°F
NW
4 mph
1500 76°F
N
6 mph