World Resorts USA San Francisco Weather

Winter weather in San Francisco

Weather in San Francisco in Winter

December January February
Average day temperature:
Average day temperature: 54.3°F 54.7°F 55.6°F
Average night temperature:
Average night temperature: 50.1°F 49.9°F 49.8°F
Sea water temperature:
Sea water temperature: 54.1°F 52.4°F 53.4°F
Number of sunny days:
Number of sunny days: 14 days 15 days 15 days
Day length:
Day length: 9.5 - 9.7 h. 9.6 - 10.3 h. 10.3 - 11.3 h.
Number of rainy days:
Number of rainy days: 4 days 4 days 4 days
Precipitation totals:
Precipitation totals: 2.2 in. 2.3 in. 2.3 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in San Francisco

Sunniest months:
June 19 days
September 18 days
October 18 days
Warmest months:
August 65.9 °F
September 65.0 °F
October 63.9 °F
Warmest sea temp:
September 61.8 °F
August 61.6 °F
October 60.4 °F
Coldest months:
December 54.3 °F
January 54.7 °F
February 55.6 °F
Rainiest months:
February 4 days
March 4 days
December 4 days
Windiest months:
May 10.0 mph
June 9.6 mph
April 9.5 mph

San Francisco on a weather map

San Francisco
+55°F
NW 3 mph
Feels like: +55°F
Precip.: 0%
Places in USA:
Name
°F
+23°F
+28°F
+75°F
+75°F
+61°F
+59°F
+68°F
+25°F
+55°F
+57°F
+55°F
+55°F
+54°F
+54°F
+23°F
24 Hours Forecast
San Francisco
Local time: 18:50
December 21, saturday
2100
54°F
S
2 mph
December 22, sunday
0000
54°F
S
1 mph
0300
54°F
W
4 mph
0600
54°F
SW
5 mph
0900
54°F
SW
6 mph
1200
55°F
SW
6 mph
1500
57°F
W
4 mph
1800
55°F
E
3 mph
Units of measurement: °C / °F