World Resorts USA San Diego Weather

San Diego Sea Temperature in July

Average sea water temperature in July:
+68.8°F
Minimum sea water temperature in July: 73.9°F
Maximum sea water temperature in July: 62.8°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.1°F.

Monthly sea water temperature in San Diego, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Pass Christian 87.3°F 86.7°F
Bay Saint Louis 87.2°F 86.7°F
Gulfport 87.1°F 86.6°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Sanibel Island 86.9°F 87.7°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Orange Beach 86.7°F 86.7°F
Pensacola Beach 86.7°F 87.1°F
Marco Island 86.6°F 87.4°F
Naples 86.6°F 87.2°F
Galveston 86.4°F 86.3°F
Galveston Island 86.4°F 86.4°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°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:
February 63.3 °F
January 63.6 °F
December 63.7 °F
Rainiest months:
March 2 days
February 2 days
January 2 days
Windiest months:
May 7.5 mph
April 7.4 mph
March 7.2 mph

San Diego on a weather map

San Diego
+77°F
W 9 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+21°F
+75°F
+75°F
+73°F
+82°F
+63°F
+68°F
+72°F
+16°F
+77°F
+66°F
+57°F
+57°F
+61°F
+25°F
24 Hours Forecast
San Diego
Local time: 16:38
February 04, wednesday
1800
77°F
W
9 mph
2100
66°F
SW
9 mph
February 05, thursday
0000
64°F
W
7 mph
0300
63°F
N
3 mph
0600
61°F
N
4 mph
0900
64°F
NW
2 mph
1200
72°F
E
7 mph
1500
70°F
NE
6 mph
Units of measurement: °C / °F