San Francisco Airport

The tables below display average monthly climate and weather indicators in San Francisco Airport California. Temperature by: Fahrenheit / Centigrade San Francisco Airport Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Avg. Temperature 48.7 52.2 53.3 55.6 58.1 61.5 62.7 63.7 64.5 61.0 54.8 49.4 57.1 Avg. Max Temperature 55.6 59.4 60.8 63.9 66.5 70.3 71.6 72.3 73.6 70.1 62.4 56.1 65.2 Avg. Min Temperature 41.8 45.0 45.8 47.2 49.7 52.6 53.9 55.0 55.2 51.8 47.1 42.7 49.0 Days with Max Temp of 90 F 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

Weather information for other cities in California • Bakersfield Weather • Bishop Weather • Blue Canyon Weather • Eureka Weather • Fresno Weather • Long Beach Weather • Los Angeles Airport Weather • Los Angeles C.O. Weather • Mount Shasta Weather • Redding Weather • Sacramento Weather • San Diego Weather • San Francisco C.O. Weather • Santa Barbara Weather • Santa Maria Weather • Stockton Weather