Measurements:
°C
°F
San Francisco
56°F
E 4 mph
Feels like: 56°F
Precip: 49%
World Resorts USA San Francisco Weather

San Francisco Sea Water Temperature

Current Sea Water Temperature:
+55.2°F
Maximum Sea Water Temperature in December: 60.2°F
Minimum Sea Water Temperature in December: 50.2°F
Average water temperature in December: 54.7°F

Sea Water Temperature for the Last 10 Days:

December 13 55.2°F December 08 53.8°F
December 12 55.0°F December 07 53.6°F
December 11 54.6°F December 06 53.4°F
December 10 54.0°F December 05 53.6°F
December 09 54.6°F December 04 53.8°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: 2019 2018 2017

The average sea surface temperature in September 2019 for San Francisco was 65.6°F. The maximum and minimum values were 63.0°F and 68.2°F respectively.

Sea Water Temperature in August

Select Year: 2019 2018 2017

The average sea surface temperature in August 2019 for San Francisco was 65.3°F. The maximum and minimum values were 62.4°F and 68.8°F respectively.

Sea Water Temperature in October

Select Year: 2019 2018 2017

The average sea surface temperature in October 2019 for San Francisco was 60.8°F. The maximum and minimum values were 58.2°F and 63.6°F respectively.

Best Time to Visit San Francisco
The most sunny months:
October 20 days
September 19 days
June 18 days
The most warm months:
September 67.8 °F
August 67.1 °F
October 66.4 °F
Warmest sea temperature:
September 61.8 °F
August 61.5 °F
October 60.5 °F
The most cold months:
December 55.1 °F
January 55.7 °F
February 56.9 °F
The most rainy months:
February 5 days
March 5 days
January 5 days
The most windy months:
May 10 mph
June 9 mph
April 9 mph

San Francisco on the Weather Map

USA Resorts:
NAME
Boston +28
Chicago +36
Hawaii +80
Honolulu +76
Houston +58
Jacksonville +68
Las Vegas +48
Los Angeles +68
Miami +78
New Orleans +60
New York +36
San Diego +64
San Francisco +56
San Jose +50
Washington +32
24 Hours Weather Forecast
San Francisco
Local time: 02:31
13 dec, friday
0300 56°F
E
4 mph
0600 56°F
E
2 mph
0900 56°F
NE
3 mph
1200 58°F
NE
6 mph
1500 56°F
E
7 mph
1800 56°F
NE
5 mph
2100 56°F
NE
9 mph
14 dec, saturday
0000 56°F
NE
12 mph