|
San Francisco Airport Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
|
Avg. Temperature |
9.3 |
11.2 |
11.8 |
13.1 |
14.5 |
16.4 |
17.1 |
17.6 |
18.1 |
16.1 |
12.7 |
9.7 |
13.9 |
|
Avg. Max Temperature |
13.1 |
15.2 |
16.0 |
17.7 |
19.2 |
21.3 |
22.0 |
22.4 |
23.1 |
21.2 |
16.9 |
13.4 |
18.4 |
|
Avg. Min Temperature |
5.4 |
7.2 |
7.7 |
8.4 |
9.8 |
11.4 |
12.2 |
12.8 |
12.9 |
11.0 |
8.4 |
5.9 |
9.4 |
|
Days with Max Temp of 32 C or Higher |
0.0 |
0.0 |
0.0 |
< 0.5 |
< 0.5 |
1.0 |
1.0 |
< 0.5 |
1.0 |
< 0.5 |
0.0 |
0.0 |
3.0 |
|
Days with Min Temp Below Freezing |
1.0 |
< 0.5 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
1.0 |
2.0 |
| |
|
|
San Francisco Airport Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
|
Heating Degree Days |
505 |
358 |
363 |
287 |
218 |
121 |
92.0 |
68.0 |
79.0 |
135 |
306 |
484 |
3016 |
|
Cooling Degree Days |
0.0 |
0.0 |
0.0 |
5.0 |
0.0 |
16.0 |
21.0 |
28.0 |
64.0 |
11.0 |
0.0 |
0.0 |
145 |
| |
|
|
San Francisco Airport Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
|
Precipitation (inches) |
4.3 |
3.2 |
3.1 |
1.4 |
0.2 |
0.1 |
0.0 |
0.1 |
0.2 |
1.2 |
2.9 |
3.1 |
19.7 |
|
Days with Precipitation 0.01 inch or More |
11.0 |
10.0 |
10.0 |
6.0 |
3.0 |
1.0 |
< 0.5 |
< 0.5 |
1.0 |
4.0 |
7.0 |
10.0 |
63.0 |
|
Monthly Snowfall (inches) |
0.0 |
< 0.05 |
< 0.05 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| |
|
|
Other San Francisco Airport Weather
Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
|
Average Wind Speed |
7.2 |
8.6 |
10.5 |
12.2 |
13.4 |
14.0 |
13.6 |
12.8 |
11.1 |
9.4 |
7.5 |
7.1 |
10.6 |
|
Clear Days |
9.0 |
8.0 |
10.0 |
11.0 |
14.0 |
16.0 |
21.0 |
19.0 |
18.0 |
16.0 |
11.0 |
9.0 |
160 |
|
Partly Cloudy Days |
8.0 |
7.0 |
9.0 |
9.0 |
10.0 |
9.0 |
8.0 |
9.0 |
8.0 |
9.0 |
8.0 |
8.0 |
100.0 |
|
Cloudy Days |
15.0 |
13.0 |
13.0 |
10.0 |
8.0 |
5.0 |
3.0 |
3.0 |
4.0 |
7.0 |
11.0 |
14.0 |
105 |
|
Avg. Relative Humidity |
62.5 |
75.5 |
73.5 |
72.5 |
71.5 |
72.0 |
72.5 |
73.0 |
72.5 |
70.5 |
71.5 |
74.5 |
76.0 |
