Measurements:
°C
°F
San Diego
54°F
S 5 mph
Feels like: 52°F
Precip: 0%
World Resorts USA San Diego Weather

San Diego Sea Water Temperature

Current Sea Water Temperature:
+57.4°F
Maximum Sea Water Temperature in December: 66.8°F
Minimum Sea Water Temperature in December: 56.8°F
Average water temperature in December: 61.9°F

Sea Water Temperature for the Last 10 Days:

December 22 57.4°F December 17 57.4°F
December 21 57.6°F December 16 57.4°F
December 20 57.6°F December 15 57.2°F
December 19 57.2°F December 14 57.6°F
December 18 57.2°F December 13 57.2°F

When is the Warmest Sea for San Diego?

According to our data for the last three years for San Diego the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for San Diego was 72.3°F. The maximum and minimum values were 65.2°F and 77.0°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for San Diego was 71.3°F. The maximum and minimum values were 66.4°F and 74.4°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for San Diego was 70.0°F. The maximum and minimum values were 66.4°F and 72.8°F respectively.

Best Time to Visit San Diego
The most sunny months:
July 23 days
August 22 days
June 22 days
The most warm months:
August 82.2 °F
September 81.1 °F
July 79.3 °F
Warmest sea temperature:
August 72.1 °F
September 71.3 °F
July 71.1 °F
The most cold months:
January 64.6 °F
December 64.8 °F
February 64.8 °F
The most rainy months:
March 2 days
February 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
March 7 mph

San Diego on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
San Diego
Local time: 02:22
22 dec, sunday
0300 54°F
S
5 mph
0600 52°F
S
5 mph
0900 54°F
SE
2 mph
1200 60°F
E
1 mph
1500 64°F
E
7 mph
1800 62°F
E
3 mph
2100 60°F
E
3 mph
23 dec, monday
0000 58°F
N
2 mph