World Resorts USA San Francisco Weather

San Francisco Sea Temperature in May

Average sea water temperature in May:
+56.7°F
Minimum sea water temperature in May: 61.7°F
Maximum sea water temperature in May: 51.6°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 58.4°F. The highest and lowest sea temperatures during the month were 60.1°F and 55.4°F.

Monthly sea water temperature in San Francisco, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
Hilo 78.1°F 77.7°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F

Best time for vacation in San Francisco

Sunniest months:
June 18 days
October 18 days
April 17 days
Warmest months:
August 65.5 °F
September 65.0 °F
October 64.2 °F
Warmest sea temp:
September 62.0 °F
August 61.7 °F
October 60.7 °F
Coldest months:
December 54.3 °F
January 54.7 °F
February 55.7 °F
Rainiest months:
March 4 days
December 4 days
January 4 days
Windiest months:
May 9.9 mph
June 9.7 mph
April 9.4 mph

San Francisco on a weather map

San Francisco
+54°F
E 16 mph
Feels like: +50°F
Precip.: 13%
Places in USA:
Name
°F
+64°F
+77°F
+86°F
+61°F
+79°F
+84°F
+72°F
+73°F
+70°F
+63°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
San Francisco
Local time: 01:12
June 26, friday
0300
54°F
E
16 mph
0600
54°F
E
16 mph
0900
59°F
E
15 mph
1200
63°F
E
14 mph
1500
63°F
E
14 mph
1800
61°F
E
15 mph
2100
59°F
E
12 mph
June 27, saturday
0000
59°F
E
11 mph
Units of measurement: °C / °F