World Resorts USA San Diego Weather

San Diego Sea Temperature in May

Average sea water temperature in May:
+63.5°F
Minimum sea water temperature in May: 67.8°F
Maximum sea water temperature in May: 59.2°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 63.0°F. The highest and lowest sea temperatures during the month were 66.7°F and 59.4°F.

Monthly sea water temperature in San Diego, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Islamorada 83.6°F 84.4°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Cape Coral 83.4°F 83.6°F
Sanibel Island 83.1°F 83.2°F
Sarasota 82.7°F 82.9°F
Tampa 82.7°F 82.5°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
South Padre Island 80.0°F 81.1°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 63.2 °F
December 63.3 °F
February 63.3 °F
Rainiest months:
March 2 days
February 2 days
December 2 days
Windiest months:
May 7.5 mph
April 7.4 mph
March 7.2 mph

San Diego on a weather map

San Diego
+61°F
N 5 mph
Feels like: +61°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+73°F
+73°F
+55°F
+59°F
+66°F
+70°F
+66°F
+34°F
+61°F
+54°F
+59°F
+59°F
+68°F
+41°F
24 Hours Forecast
San Diego
Local time: 01:55
December 25, thursday
0300
61°F
N
5 mph
0600
61°F
N
4 mph
0900
61°F
N
6 mph
1200
64°F
N
10 mph
1500
64°F
N
9 mph
1800
61°F
N
7 mph
2100
59°F
N
6 mph
December 26, friday
0000
59°F
NW
7 mph
Units of measurement: °C / °F