San Francisco Weather in February

February continues the relatively rainy weather of winter at San Francisco, California. Yet the climate this month is more often sunny than wet.

This page gives detailed information on the typical February temperature, precipitation, sun, humidity, wind and storms for San Francisco. The temperature, rainfall, sunshine and wind speed numbers here are historical averages based on climate data gathered in downtown San Francisco near the corner of Buchanan and Hermann Streets. The other measurements are averages at San Francisco International Airport, located south of the city center.

Temperature

60 °F	February average high	16 °C
48 °F	February average low	9 °C

15 days	60 °F max. or more (16 °C)
20 days	50 °F min. or less (10 °C)

The temperature usually rises every day during February to over 50 degrees Fahrenheit (10 degrees Celsius) at San Francisco. The city averages 3 days this month when the thermometer reaches into the 70s °F (over 21 °C). A temperature of 80 °F (27 °C) or above occurs only about once a decade during February.

The thermometer dips to 40 °F (4 °C) or below on an average of 1 night this month. But February does not normally get cold enough for frost.

Rain

4.4 in	total precipitation	111 mm
11 days	of rain

Half the time, San Francisco receives 1.6 to 6.2 inches (39 to 158 mm) of rainfall in February. One in four years has drier weather, while another one in four is wetter.

Sun

62 %	sunshine
8 days	clear skies

The sun's rays reach the ground in San Francisco during 62 percent of daylight hours on average in February, for a total of 188 hours in the month. Typically on 8 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in February at San Francisco lasts for 10 hours and 49 minutes a day on average. The shortest day of the month is the 1st with 10 hours and 20 minutes of daylight. By the end of the month, the days have lengthened to 11:21 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humidity

76 %	February average humidity

The relative humidity in San Francisco during February usually peaks at 84 percent in the morning then drops to 64 percent by late afternoon.

Local Time	1 am	4 am	7 am	10 am	1 pm	4 pm	7 pm	10 pm
Humidity %	82	84	84	75	65	64	75	78

Wind

7.5 mph

February wind speed average

12.1 kph

February is less windy than most other months in San Francisco.

Storms

3 days	rainfall of 0.5 inches (13 mm) or more
1 day	with thunderstorms in February

San Francisco averages one February thunderstorm every two years.