Current sea water temperature:
+73.4°F
| Minimum sea water temperature in June: | 79.2°F |
| Maximum sea water temperature in June: | 61.3°F |
| Average sea water temperature in June: | 70.0°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| June 19 | 73.4°F | June 14 | 72.3°F |
| June 18 | 72.7°F | June 13 | 72.7°F |
| June 17 | 72.9°F | June 12 | 73.4°F |
| June 16 | 72.7°F | June 11 | 73.4°F |
| June 15 | 72.0°F | June 10 | 73.6°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
June
June
| 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: 04:49
June 20, saturday
0600
73°F
SE
2 mph
2 mph
0900
77°F
N
1 mph
1 mph
1200
82°F
W
11 mph
11 mph
1500
88°F
W
13 mph
13 mph
1800
88°F
W
9 mph
9 mph
2100
82°F
SW
11 mph
11 mph
June 21, sunday
0000
81°F
S
8 mph
8 mph
0300
79°F
S
11 mph
11 mph
