| Daily Summary |
| | Average (KSFO) | Record (KSFO) |
| Temperature |
| Mean Temperature |
57°F
|
|
| Max Temperature |
65°F
|
82°F
(1949) |
| Min Temperature |
50°F
|
38°F
(1946) |
| Degree Days |
| Heating Degree Days |
7 |
|
| Month to date heating degree days |
|
28 |
|
| Since 1 July heating degree days |
|
354 |
|
| Cooling Degree Days |
0 |
|
| Month to date cooling degree days |
|
0 |
|
| Year to date cooling degree days |
|
142 |
|
| Moisture |
| Dew Point |
| |
| Average Humidity |
|
|
| Maximum Humidity |
|
|
| Minimum Humidity |
|
|
| Precipitation |
| Precipitation |
0.07 in
|
0.29 in
(1963) |
| Month to date precipitation |
|
0.27 |
|
| Year to date precipitation |
|
15.00 |
|
| Since 1 July precipitation |
|
1.61 |
|
| Wind |
| Wind Speed |
| |
| Max Wind Speed |
| |
| Max Gust Speed |
| |
|
| Key: T is trace of precipitation, MM is missing value |
|
Source: NWS Daily Summary |
