World Resorts USA San Francisco Weather

San Francisco Sea Temperature in May

Average sea water temperature in May:
+56.6°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:
2025
2024
2023

The average sea water temperature in May of 2025 was 58.5°F. The highest and lowest sea temperatures during the month were 59.7°F and 56.1°F.

Monthly sea water temperature in San Francisco, °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
Sanibel Island 83.1°F 83.2°F
Tampa 82.7°F 82.5°F
Sarasota 82.7°F 82.9°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
Pass Christian 79.8°F 79.8°F

Best time for vacation in San Francisco

Sunniest months:
October 18 days
June 18 days
May 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 54.6 °F
February 55.5 °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
SW 9 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+75°F
+75°F
+59°F
+61°F
+55°F
+64°F
+70°F
+28°F
+79°F
+54°F
+52°F
+50°F
+45°F
+21°F
24 Hours Forecast
San Francisco
Local time: 17:43
December 30, tuesday
1800
54°F
SW
9 mph
2100
48°F
SW
9 mph
December 31, wednesday
0000
46°F
SW
9 mph
0300
46°F
SW
8 mph
0600
52°F
SW
6 mph
0900
52°F
W
4 mph
1200
52°F
SW
6 mph
1500
52°F
SW
6 mph
Units of measurement: °C / °F