Measurements:
°C
°F
San Francisco
56°F
W 4 mph
Feels like: 58°F
Precip: 0%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

12.22
sun
DAY
56°F
W 4 mph
precip
0%
NIGHT
56°F
NW 3 mph
precip
0%
12.23
mon
DAY
56°F
SW 4 mph
precip
0%
NIGHT
56°F
N 9 mph
precip
100%
12.24
tue
DAY
54°F
E 15 mph
precip
0%
NIGHT
50°F
SE 9 mph
precip
0%
12.25
wed
DAY
50°F
SE 3 mph
precip
0%
NIGHT
52°F
NE 6 mph
precip
0%
12.26
thu
DAY
56°F
E 9 mph
precip
100%
NIGHT
54°F
NE 2 mph
precip
29%
12.27
fri
DAY
54°F
N 3 mph
precip
21%
NIGHT
56°F
N 7 mph
precip
100%
12.28
sat
DAY
58°F
N 6 mph
precip
59%
NIGHT
58°F
NE 3 mph
precip
66%

San Francisco Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for San Francisco was 12.0°F. The maximum and minimum values were 11.1°F and 12.6°F respectively.

San Francisco on the Weather Map

Best Time to Visit San Francisco
The most sunny months:
June 19 days
September 18 days
October 18 days
The most warm months:
August 67.6 °F
September 66.7 °F
October 65.5 °F
Warmest sea temperature:
September 63.2 °F
August 62.8 °F
October 61.6 °F
The most cold months:
December 54.7 °F
January 55.2 °F
February 56.2 °F
The most rainy months:
February 4 days
March 4 days
December 4 days
The most windy months:
May 10 mph
June 9 mph
April 9 mph