Measurements:
°C
°F
San Jose
80°F
NE 14 mph
Feels like: 84°F
Precip: 8%
World Resorts Spain San Jose Weather

San Jose Sea Water Temperature

Current Sea Water Temperature:
+83.0°F
Maximum Sea Water Temperature in September: 84.6°F
Minimum Sea Water Temperature in September: 71.8°F
Average water temperature in September: 79.0°F

Sea Water Temperature for the Last 10 Days:

September 08 83.0°F September 03 76.4°F
September 07 82.6°F September 02 74.8°F
September 06 81.8°F September 01 75.6°F
September 05 80.8°F August 31 73.0°F
September 04 78.2°F August 30 74.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for San Jose was 83.2°F. The maximum and minimum values were 73.0°F and 88.6°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: 2026 2025 2024

The average sea surface temperature in July 2026 for San Jose was 82.1°F. The maximum and minimum values were 80.6°F and 85.0°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 92.1 °F
July 91.8 °F
September 85.8 °F
Warmest sea temperature:
August 81.6 °F
September 79.0 °F
July 78.7 °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: 23:32
09 sep, wednesday
0000 80°F
NE
14 mph
0300 82°F
E
10 mph
0600 82°F
E
7 mph
0900 82°F
SE
4 mph
1200 82°F
NE
7 mph
1500 80°F
N
2 mph
1800 84°F
W
16 mph
2100 80°F
SW
25 mph