World Resorts USA San Francisco Weather

San Francisco Sea Temperature in April

Average sea water temperature in April:
+56.1°F
Minimum sea water temperature in April: 61.7°F
Maximum sea water temperature in April: 51.1°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 59.6°F. The highest and lowest sea temperatures during the month were 61.7°F and 56.7°F.

Monthly sea water temperature in San Francisco, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
Key Largo 78.2°F 78.5°F
West Palm Beach 78.2°F 78.3°F
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°F 78.0°F
Miami Beach 78.0°F 78.3°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°F
Cape Coral 76.4°F 77.2°F
Port St. Lucie 76.4°F 74.9°F
Hawaii 76.2°F 77.3°F
Maui 75.9°F 76.6°F
Kauai 75.9°F 74.9°F
Naples 75.8°F 77.0°F
Tampa 75.3°F 76.6°F
Cocoa Beach 75.0°F 75.1°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Galveston 74.7°F 73.8°F
Houston 74.5°F 73.7°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 60.8 °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
+59°F
E 4 mph
Feels like: +59°F
Precip.: 7%
Places in USA:
Name
°F
+48°F
+52°F
+77°F
+63°F
+72°F
+79°F
+72°F
+55°F
+70°F
+59°F
+70°F
+70°F
+73°F
+61°F
24 Hours Forecast
San Francisco
Local time: 21:33
October 25, sunday
0000
59°F
E
2 mph
0300
59°F
W
1 mph
0600
59°F
S
1 mph
0900
59°F
SW
3 mph
1200
63°F
SW
3 mph
1500
64°F
E
8 mph
1800
61°F
NE
6 mph
2100
59°F
NE
8 mph
Units of measurement: °C / °F