World Resorts USA San Francisco Weather

San Francisco weather in March

Weather in San Francisco: March

Average day temperature: 56.0°F
Average night temperature: 50.2°F
Sea water temperature: 54.5°F
Number of sunny days: 12 days
Day length: 11.4 - 12.6 hours
Number of rainy days: 4 days
Precipitation totals: 1.9 in.

Air temperature in March, °F

Show year:
2025
2024
2023

The highest day temperature during March of 2025 was 67°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during March were 54.0°F and 50.2°F.

Sea water temperature in San Francisco in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 56.7°F and 52.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in San Francisco in March is 1.9 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 9.1 mph It makes March one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 6.9.

Best time for vacation in San Francisco

Sunniest months:
October 18 days
June 18 days
May 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 54.2 °F
January 54.6 °F
February 55.5 °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
+48°F
S 4 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
San Francisco
Local time: 22:06
December 05, friday
0000
46°F
S
2 mph
0300
46°F
SW
3 mph
0600
48°F
SW
4 mph
0900
48°F
SW
5 mph
1200
48°F
SW
3 mph
1500
50°F
SE
2 mph
1800
50°F
E
4 mph
2100
52°F
E
3 mph
Units of measurement: °C / °F