Current sea water temperature:
+67.1°F
| Minimum sea water temperature in May: | 67.1°F |
| Maximum sea water temperature in May: | 51.1°F |
| Average sea water temperature in May: | 58.2°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| May 16 | 67.1°F | May 11 | 64.9°F |
| May 15 | 66.6°F | May 10 | 64.9°F |
| May 14 | 66.2°F | May 9 | 66.0°F |
| May 13 | 66.0°F | May 8 | 64.8°F |
| May 12 | 65.5°F | May 7 | 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
May
May
| 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: 16:04
May 16, saturday
1800
68°F
E
9 mph
9 mph
2100
54°F
E
4 mph
4 mph
May 17, sunday
0000
46°F
E
2 mph
2 mph
0300
43°F
N
1 mph
1 mph
0600
45°F
SE
1 mph
1 mph
0900
59°F
SE
5 mph
5 mph
1200
68°F
SE
9 mph
9 mph
1500
73°F
SE
13 mph
13 mph
