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
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day temperature   
Night temperature

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
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
45
48
51
54
57
60
63

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
Sunny days
Partly cloudy days
Cloudy days
34%
25%
41%

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

Precipitation total in March, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
1.0
1.5
1.9
2.4
2.9
3.4
3.9
1.6
1.1
1.1
2.3
2.8
1.6
1.1
1.1
1.9
2.3
2.8

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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.3
4.9
6.6
8.2
9.8
11.5
7.7
6.9
7.0
7.6
8.2
8.9
9.6
9.5
9.2
8.5
7.8
7.7
6.9
7.0
7.6
8.2
8.9
9.6
9.5
9.2
9.1
8.5
7.8

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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.8
5.7
7.6
9.5
11.5
13.4
15.3
4.3
6.7
6.2
7.0
9.4
8.7
10.8
11.1
10.0
6.5
5.9
4.3
6.7
6.2
7.0
9.4
8.7
10.8
11.1
10.0
6.9
6.5
5.9

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:
June 19 days
May 18 days
April 18 days
Warmest months:
August 65.9 °F
September 65.0 °F
October 63.9 °F
Warmest sea temp:
September 61.8 °F
August 61.6 °F
October 60.4 °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 10.0 mph
June 9.6 mph
April 9.5 mph

San Francisco on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+32°F
+46°F
+75°F
+75°F
+59°F
+59°F
+77°F
+41°F
+72°F
+57°F
+50°F
+72°F
+73°F
+72°F
+43°F
24 Hours Forecast
San Francisco
Local time: 19:57
April 01, tuesday
2100
50°F
E
20 mph
April 02, wednesday
0000
50°F
SE
15 mph
0300
48°F
SE
9 mph
0600
48°F
SE
8 mph
0900
50°F
SE
6 mph
1200
54°F
NE
32 mph
1500
54°F
NE
22 mph
1800
52°F
E
18 mph
Units of measurement: °C / °F