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 59.5°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 78.3°F 78.8°F
West Palm Beach 78.1°F 78.3°F
Fort Lauderdale 78.0°F 78.0°F
Miami Beach 77.9°F 78.3°F
Key Largo 77.9°F 78.5°F
Key West 77.9°F 78.0°F
Hialeah 77.6°F 77.9°F
Kailua Kona 77.4°F 78.1°F
Miami 77.4°F 77.9°F
Honolulu 76.3°F 77.4°F
Cape Coral 76.1°F 77.2°F
Hawaii 76.1°F 77.3°F
Kahului 76.0°F 76.8°F
Marco Island 75.9°F 77.3°F
Kauai 75.9°F 74.9°F
Maui 75.8°F 76.6°F
Naples 75.4°F 77.0°F
Tampa 75.0°F 76.6°F
St. Petersburg 75.0°F 76.3°F
Oahu 74.8°F 76.4°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
+61°F
E 14 mph
Feels like: +61°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+77°F
+77°F
+72°F
+66°F
+77°F
+81°F
+73°F
+52°F
+63°F
+61°F
+79°F
+82°F
+81°F
+50°F
24 Hours Forecast
San Francisco
Local time: 14:20
April 26, sunday
1500
61°F
E
14 mph
1800
55°F
E
13 mph
2100
54°F
E
11 mph
April 27, monday
0000
54°F
E
9 mph
0300
52°F
SE
8 mph
0600
52°F
SE
7 mph
0900
54°F
E
6 mph
1200
55°F
E
10 mph
Units of measurement: °C / °F