Current sea water temperature:
+70.3°F
| Minimum sea water temperature in July: | 72.9°F |
| Maximum sea water temperature in July: | 54.0°F |
| Average sea water temperature in July: | 63.0°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| July 16 | 70.3°F | July 11 | 69.1°F |
| July 15 | 68.5°F | July 10 | 68.2°F |
| July 14 | 67.1°F | July 9 | 68.7°F |
| July 13 | 66.2°F | July 8 | 69.3°F |
| July 12 | 66.4°F | July 7 | 69.4°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, July and August.
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 July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 68.5°F. The highest and lowest sea temperatures during the month were 70.3°F and 66.2°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.
current
weather
weather
| San Jose |
weather in
July
July
| 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: 05:00
July 16, thursday
0600
59°F
E
2 mph
2 mph
0900
66°F
SE
4 mph
4 mph
1200
81°F
SE
7 mph
7 mph
1500
81°F
SE
9 mph
9 mph
1800
82°F
SE
9 mph
9 mph
2100
59°F
SE
5 mph
5 mph
July 17, friday
0000
55°F
SE
3 mph
3 mph
0300
52°F
E
1 mph
1 mph
