Measurements:
°C
°F
San Francisco
46°F
S 9 mph
Feels like: 40°F
Precip: 0%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

01.08
thu
DAY
52°F
S 9 mph
precip
0%
NIGHT
44°F
SW 6 mph
precip
0%
01.09
fri
DAY
46°F
SW 10 mph
precip
0%
NIGHT
48°F
SW 7 mph
precip
0%
01.10
sat
DAY
44°F
SW 9 mph
precip
0%
NIGHT
50°F
SW 8 mph
precip
0%
01.11
sun
DAY
50°F
SW 8 mph
precip
0%
NIGHT
52°F
SW 6 mph
precip
0%
01.12
mon
DAY
54°F
SW 7 mph
precip
0%
NIGHT
54°F
SW 7 mph
precip
0%
01.13
tue
DAY
56°F
SW 7 mph
precip
0%
NIGHT
56°F
SW 7 mph
precip
0%
01.14
wed
DAY
58°F
SW 7 mph
precip
0%
NIGHT
56°F
SW 7 mph
precip
0%

San Francisco Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for San Francisco was 11.5°F. The maximum and minimum values were 11.0°F and 11.9°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 54.8 °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