Measurements:
°C
°F
San Francisco
54°F
SW 2 mph
Feels like: 54°F
Precip: 0%
World Resorts USA San Francisco Weather

San Francisco Sea Water Temperature

Current Sea Water Temperature:
+53.6°F
Maximum Sea Water Temperature in December: 60.2°F
Minimum Sea Water Temperature in December: 50.2°F
Average water temperature in December: 54.5°F

Sea Water Temperature for the Last 10 Days:

December 22 53.6°F December 17 52.2°F
December 21 53.8°F December 16 53.2°F
December 20 53.6°F December 15 53.6°F
December 19 53.8°F December 14 54.4°F
December 18 52.2°F December 13 54.6°F

When is the Warmest Sea for San Francisco?

According to our data for the last three years for San Francisco the highest average sea water temperature was in September, August and October.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for San Francisco was 64.4°F. The maximum and minimum values were 62.2°F and 67.4°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for San Francisco was 63.8°F. The maximum and minimum values were 61.6°F and 66.0°F respectively.

Sea Water Temperature in October

Select Year: 2024 2023 2022

The average sea surface temperature in October 2024 for San Francisco was 63.4°F. The maximum and minimum values were 60.2°F and 66.8°F respectively.

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

San Francisco on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
San Francisco
Local time: 02:43
22 dec, sunday
0300 54°F
SW
2 mph
0600 54°F
W
7 mph
0900 54°F
W
6 mph
1200 56°F
W
5 mph
1500 58°F
E
1 mph
1800 58°F
SE
3 mph
2100 56°F
NE
7 mph
23 dec, monday
0000 56°F
N
7 mph