World Resorts USA San Francisco Weather

San Francisco Sea Temperature in January

Average sea water temperature in January:
+52.6°F
Minimum sea water temperature in January: 56.7°F
Maximum sea water temperature in January: 49.6°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 54.5°F. The highest and lowest sea temperatures during the month were 55.4°F and 53.1°F.

Monthly sea water temperature in San Francisco, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°F
Maui 77.0°F 76.9°F
Kauai 77.0°F 75.0°F
West Palm Beach 76.6°F 75.5°F
Oahu 76.1°F 76.5°F
Fort Lauderdale 75.9°F 75.1°F
Miami Beach 74.0°F 73.1°F
Key West 72.5°F 70.3°F
Key Largo 71.7°F 71.1°F
Miami 71.2°F 70.7°F
Port St. Lucie 70.1°F 67.1°F
Naples 67.7°F 64.7°F
Cape Coral 67.3°F 64.3°F
Cocoa Beach 66.9°F 60.9°F
Siesta Key 65.0°F 61.5°F
Sarasota 65.0°F 61.2°F
Orlando 64.8°F 59.8°F
Tampa 64.3°F 60.4°F
Daytona Beach 64.1°F 59.7°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: 21:34
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