Current sea water temperature:
+70.0°F
| Minimum sea water temperature in July: | 73.9°F |
| Maximum sea water temperature in July: | 62.8°F |
| Average sea water temperature in July: | 68.7°F |
| more information | |
14 days
forecast
forecast
| San Diego |
monthly
weather
weather
| San Diego |
Sea water temperature for the last 10 days:
| July 16 | 70.0°F | July 11 | 67.6°F |
| July 15 | 70.0°F | July 10 | 67.3°F |
| July 14 | 70.7°F | July 9 | 66.7°F |
| July 13 | 70.2°F | July 8 | 66.7°F |
| July 12 | 69.3°F | July 7 | 66.9°F |
Monthly sea water temperature, °F
When is the warmest sea in San Diego?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Diego was noticed in August, September and July.
Monthly Sea Temperatures in San Diego, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 68.9°F. The highest and lowest sea temperatures during the month were 72.3°F and 63.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.3°F. The highest and lowest sea temperatures during the month were 70.5°F and 63.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.9°F. The highest and lowest sea temperatures during the month were 70.7°F and 65.5°F.
current
weather
weather
| San Diego |
weather in
July
July
| San Diego |
Best time for vacation in San Diego
San Diego on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Diego
Local time: 04:10
July 16, thursday
0600
64°F
N
7 mph
7 mph
0900
68°F
N
9 mph
9 mph
1200
77°F
N
12 mph
12 mph
1500
77°F
NE
11 mph
11 mph
1800
75°F
NE
11 mph
11 mph
2100
73°F
N
9 mph
9 mph
July 17, friday
0000
72°F
N
9 mph
9 mph
0300
72°F
N
9 mph
9 mph
