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
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°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
Port St. Lucie 80.8°F 78.9°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
South Padre Island 79.1°F 80.0°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F

Best time for vacation in San Francisco

Sunniest months:
June 18 days
October 18 days
April 17 days
Warmest months:
August 65.7 °F
September 65.1 °F
October 64.2 °F
Warmest sea temp:
September 62.2 °F
August 61.9 °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 9.6 mph
April 9.4 mph

San Francisco on a weather map

San Francisco
+66°F
NE 7 mph
Feels like: +66°F
Precip.: 6%
Places in USA:
Name
°F
+55°F
+61°F
+77°F
+82°F
+88°F
+84°F
+70°F
+70°F
+59°F
+82°F
+66°F
+82°F
+79°F
+64°F
24 Hours Forecast
San Francisco
Local time: 19:33
October 04, sunday
2100
66°F
NE
7 mph
October 05, monday
0000
64°F
E
6 mph
0300
63°F
NE
4 mph
0600
64°F
E
2 mph
0900
66°F
E
2 mph
1200
70°F
E
4 mph
1500
68°F
E
9 mph
1800
66°F
NE
9 mph
Units of measurement: °C / °F