Current sea water temperature:
+62.1°F
| Minimum sea water temperature in April: | 66.0°F |
| Maximum sea water temperature in April: | 50.2°F |
| Average sea water temperature in April: | 56.9°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| April 6 | 62.1°F | April 1 | 62.4°F |
| April 5 | 61.5°F | March 31 | 63.1°F |
| April 4 | 60.6°F | March 30 | 63.1°F |
| April 3 | 62.1°F | March 29 | 63.0°F |
| April 2 | 61.9°F | March 28 | 62.1°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 September, August and July.
Monthly Sea Temperatures in San Jose, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.5°F. The highest and lowest sea temperatures during the month were 72.5°F and 66.7°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.0°F. The highest and lowest sea temperatures during the month were 70.3°F and 62.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 72.3°F and 64.4°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 USA:
Name
°F
24 Hours Forecast
San Jose
Local time: 05:29
April 06, monday
0600
54°F
S
2 mph
2 mph
0900
54°F
E
2 mph
2 mph
1200
64°F
SE
6 mph
6 mph
1500
72°F
SE
7 mph
7 mph
1800
70°F
SE
7 mph
7 mph
2100
57°F
SE
3 mph
3 mph
April 07, tuesday
0000
52°F
SE
2 mph
2 mph
0300
48°F
SE
1 mph
1 mph
