World Resorts USA San Francisco Weather

Summer weather in San Francisco

Weather in San Francisco in Summer

June July August
Average day temperature:
Average day temperature: 62.0°F 63.3°F 65.5°F
Average night temperature:
Average night temperature: 53.8°F 55.0°F 56.9°F
Sea water temperature:
Sea water temperature: 58.7°F 60.1°F 61.7°F
Number of sunny days:
Number of sunny days: 18 days 15 days 14 days
Day length:
Day length: 14.6 - 14.8 h. 13.2 - 14.7 h. 13.0 - 14.1 h.
Number of rainy days:
Number of rainy days: 0 days 0 days 0 days
Precipitation totals:
Precipitation totals: 0.2 in. 0.2 in. 0.2 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in San Francisco

Sunniest months:
June 18 days
October 18 days
April 17 days
Warmest months:
August 65.5 °F
September 65.0 °F
October 64.2 °F
Warmest sea temp:
September 62.0 °F
August 61.7 °F
October 60.7 °F
Coldest months:
December 54.3 °F
January 54.7 °F
February 55.7 °F
Rainiest months:
March 4 days
December 4 days
January 4 days
Windiest months:
May 9.9 mph
June 9.7 mph
April 9.4 mph

San Francisco on a weather map

San Francisco
+66°F
SW 7 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+72°F
+72°F
+63°F
+68°F
+68°F
+34°F
+68°F
+66°F
+57°F
+52°F
+41°F
+18°F
24 Hours Forecast
San Francisco
Local time: 07:55
March 17, tuesday
0900
66°F
SW
7 mph
1200
81°F
S
7 mph
1500
64°F
S
9 mph
1800
59°F
SE
9 mph
2100
57°F
E
4 mph
March 18, wednesday
0000
54°F
E
2 mph
0300
50°F
SE
2 mph
0600
50°F
SW
5 mph
Units of measurement: °C / °F