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
Everglades 78.6°F 78.8°F
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
Hialeah 77.7°F 77.9°F
Miami 77.5°F 77.9°F
Hilo 77.0°F 77.2°F
Honolulu 76.5°F 77.4°F
Cape Coral 76.4°F 77.2°F
Marco Island 76.3°F 77.3°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
St. Petersburg 75.2°F 76.3°F
Cocoa Beach 75.0°F 75.1°F
Corpus Christi 75.0°F 74.7°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
+70°F
SE 21 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+66°F
+79°F
+79°F
+93°F
+72°F
+81°F
+82°F
+75°F
+72°F
+64°F
+70°F
+79°F
+81°F
+82°F
+68°F
24 Hours Forecast
San Francisco
Local time: 17:12
May 16, saturday
1800
70°F
SE
21 mph
2100
57°F
SE
13 mph
May 17, sunday
0000
54°F
SE
9 mph
0300
52°F
SE
6 mph
0600
52°F
SE
5 mph
0900
55°F
SE
4 mph
1200
61°F
SE
8 mph
1500
63°F
E
15 mph
Units of measurement: °C / °F