Current sea water temperature:
+84.4°F
| Minimum sea water temperature in July: | 86.2°F |
| Maximum sea water temperature in July: | 82.4°F |
| Average sea water temperature in July: | 84.2°F |
| more information | |
14 days
forecast
forecast
| San Diego |
monthly
weather
weather
| San Diego |
Sea water temperature for the last 10 days:
| July 4 | 84.4°F | June 29 | 84.6°F |
| July 3 | 85.5°F | June 28 | 85.3°F |
| July 2 | 84.6°F | June 27 | 84.9°F |
| July 1 | 84.7°F | June 26 | 84.6°F |
| June 30 | 84.4°F | June 25 | 84.9°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 September, October and May.
Monthly Sea Temperatures in San Diego, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.0°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 Nicaragua:
Name
°F
24 Hours Forecast
San Diego
Local time: 23:11
July 05, sunday
0000
79°F
W
11 mph
11 mph
0300
81°F
W
14 mph
14 mph
0600
79°F
W
8 mph
8 mph
0900
86°F
W
12 mph
12 mph
1200
93°F
W
9 mph
9 mph
1500
91°F
W
11 mph
11 mph
1800
84°F
W
14 mph
14 mph
2100
82°F
W
13 mph
13 mph
