Current sea water temperature:
+62.4°F
| Minimum sea water temperature in April: | 66.4°F |
| Maximum sea water temperature in April: | 56.5°F |
| Average sea water temperature in April: | 60.9°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| April 17 | 62.4°F | April 12 | 61.2°F |
| April 16 | 62.1°F | April 11 | 60.3°F |
| April 15 | 61.5°F | April 10 | 60.4°F |
| April 14 | 61.2°F | April 9 | 61.0°F |
| April 13 | 61.3°F | April 8 | 60.1°F |
Monthly sea water temperature, °F
When is the warmest sea in San Jose?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Jose was noticed in August, September and July.
Monthly Sea Temperatures in San Jose, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.1°F. The highest and lowest sea temperatures during the month were 80.6°F and 77.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 77.3°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.8°F. The highest and lowest sea temperatures during the month were 81.3°F and 74.1°F.
current
weather
weather
| San Jose |
weather in
April
April
| San Jose |
Best time for vacation in San Jose
San Jose on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
San Jose
Local time: 09:41
April 17, friday
1200
70°F
NW
7 mph
7 mph
1500
72°F
NW
9 mph
9 mph
1800
72°F
NW
6 mph
6 mph
2100
64°F
W
5 mph
5 mph
April 18, saturday
0000
63°F
SW
6 mph
6 mph
0300
61°F
SW
5 mph
5 mph
0600
61°F
SW
5 mph
5 mph
0900
64°F
W
5 mph
5 mph
