Weather in San Francisco in Winter
| December | January | February | ||||
| Average day temperature: | 54.2°F | 54.6°F | 55.5°F | |||
| Average night temperature: | 50.2°F | 49.8°F | 49.8°F | |||
| Sea water temperature: | 54.0°F | 52.4°F | 53.4°F | |||
| Number of sunny days: | 13 days | 15 days | 14 days | |||
| Day length: | 9.5 - 9.7 h. | 9.6 - 10.3 h. | 10.3 - 11.3 h. | |||
| Number of rainy days: | 4 days | 4 days | 3 days | |||
| Precipitation totals: | 2.0 in. | 2.2 in. | 2.2 in. | |||
current
weather
weather
| San Francisco |
monthly
weather
weather
| San Francisco |
sea water
temperature
temperature
| San Francisco |
14 days
forecast
forecast
| San Francisco |
Day & Night air temperature, °F
December
January
February
0
9
18
27
36
45
54
63
72
54.8
53.5
53.4
49.6
49.7
50.2
| Day temperature | Night temperature |
Sea water temperature, °F
December
January
February
0
9
18
27
36
45
54
63
72
53.4
52.4
54
Precipitation total, in.
December
January
February
0.0
0.5
1.0
1.5
1.9
2.4
2.9
3.4
3.9
2.3
2.8
1.6
Sunny, partly cloudy and cloudy days
December
January
February
0
5
10
15
20
25
30
35
9
13
11
6
8
8
13
11
12
| Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
| San Francisco |
weather in
spring
spring
| San Francisco |
weather in
summer
summer
| San Francisco |
weather in
autumn
autumn
| San Francisco |
Wind speed, mph
December
January
February
0.0
1.5
2.9
4.4
5.8
7.3
8.7
10.2
8.5
7.8
7.7
Average sunny hours
December
January
February
0
1
2
3
4
5
6
7
5.9
4.3
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
San Francisco on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
San Francisco
Local time: 18:27
March 29, saturday
2100
50°F
E
8 mph
8 mph
March 30, sunday
0000
50°F
N
5 mph
5 mph
0300
50°F
NW
9 mph
9 mph
0600
50°F
NW
15 mph
15 mph
0900
52°F
NW
16 mph
16 mph
1200
54°F
N
22 mph
22 mph
1500
55°F
N
21 mph
21 mph
1800
54°F
NE
12 mph
12 mph
