Current sea water temperature:
+74.7°F
| Minimum sea water temperature in August: | 75.9°F |
| Maximum sea water temperature in August: | 61.9°F |
| Average sea water temperature in August: | 69.9°F |
| more information | |
14 days
forecast
forecast
| San Diego |
monthly
weather
weather
| San Diego |
Sea water temperature for the last 10 days:
| August 5 | 74.7°F | July 31 | 73.9°F |
| August 4 | 75.0°F | July 30 | 73.9°F |
| August 3 | 75.4°F | July 29 | 73.0°F |
| August 2 | 75.0°F | July 28 | 73.2°F |
| August 1 | 74.3°F | July 27 | 72.7°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 70.0°F. The highest and lowest sea temperatures during the month were 73.9°F and 65.5°F.
current
weather
weather
| San Diego |
weather in
August
August
| 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: 08:01
August 05, wednesday
0900
70°F
E
4 mph
4 mph
1200
77°F
E
8 mph
8 mph
1500
81°F
E
9 mph
9 mph
1800
75°F
E
7 mph
7 mph
2100
72°F
E
6 mph
6 mph
August 06, thursday
0000
73°F
SE
5 mph
5 mph
0300
72°F
E
4 mph
4 mph
0600
72°F
SE
4 mph
4 mph
