Measurements:
°C
°F
San Francisco
46°F
SW 3 mph
Feels like: 46°F
Precip: 0%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

12.05
fri
DAY
48°F
SW 3 mph
precip
0%
NIGHT
52°F
N 2 mph
precip
0%
12.06
sat
DAY
52°F
S 4 mph
precip
0%
NIGHT
54°F
SW 2 mph
precip
0%
12.07
sun
DAY
52°F
E 3 mph
precip
0%
NIGHT
56°F
S 1 mph
precip
0%
12.08
mon
DAY
58°F
SW 2 mph
precip
0%
NIGHT
56°F
SW 3 mph
precip
0%
12.09
tue
DAY
60°F
NW 2 mph
precip
0%
NIGHT
58°F
SE 3 mph
precip
0%
12.10
wed
DAY
62°F
SE 2 mph
precip
0%
NIGHT
58°F
SE 4 mph
precip
0%
12.11
thu
DAY
62°F
SE 3 mph
precip
0%
NIGHT
60°F
N 1 mph
precip
0%

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:
October 18 days
June 18 days
May 17 days
The most warm months:
August 67.2 °F
September 66.7 °F
October 65.7 °F
Warmest sea temperature:
September 63.4 °F
August 63.0 °F
October 61.8 °F
The most cold months:
December 54.7 °F
January 55.1 °F
February 56.1 °F
The most rainy months:
March 4 days
December 4 days
January 4 days
The most windy months:
May 9 mph
June 9 mph
April 9 mph