World Resorts USA San Diego Weather

San Diego Sea Temperature in August

Average sea water temperature in August:
+69.9°F
Minimum sea water temperature in August: 75.9°F
Maximum sea water temperature in August: 61.9°F

Daily 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.

Monthly sea water temperature in San Diego, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Everglades 88.8°F 87.0°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Hialeah 87.9°F 86.2°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
West Palm Beach 86.8°F 86.2°F

Best time for vacation in San Diego

Sunniest months:
July 21 days
June 20 days
August 20 days
Warmest months:
August 78.9 °F
September 77.9 °F
July 76.2 °F
Warmest sea temp:
August 69.9 °F
September 69.0 °F
July 68.8 °F
Coldest months:
January 63.6 °F
December 63.7 °F
February 63.8 °F
Rainiest months:
March 2 days
February 2 days
January 2 days
Windiest months:
May 7.5 mph
April 7.4 mph
March 7.1 mph

San Diego on a weather map

San Diego
+64°F
NE 9 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
+66°F
+79°F
+79°F
+93°F
+72°F
+81°F
+82°F
+75°F
+72°F
+64°F
+70°F
+79°F
+79°F
+82°F
+68°F
24 Hours Forecast
San Diego
Local time: 16:34
May 16, saturday
1800
64°F
NE
9 mph
2100
63°F
NE
8 mph
May 17, sunday
0000
61°F
N
10 mph
0300
61°F
N
12 mph
0600
61°F
N
13 mph
0900
63°F
N
15 mph
1200
64°F
N
16 mph
1500
64°F
N
16 mph
Units of measurement: °C / °F