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San Francisco, CA vs Washington, DC weather comparison

San Francisco

CA

Washington picks up around 12 more inches of snow each winter.

San Francisco has around 79 fewer freezing nights a year. Washington endures about 42 more days above 90 °F each year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for San Francisco, CA and Washington, DC
San FranciscoMetricWashington
248 daysSunny daysclear or partly cloudy skies206 days
23 inPrecipitationper year42 in
71 daysWet daysrain or snow per year119 days
0 inSnowfallper year12 in
3 daysHot daysabove 90 °F45 days
0 daysFreezing nightsat or below 32 °F79 days
77%Humidityaverage relative69%
58 °FAverage temperatureyear round58 °F

Monthly temperatures

Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.

San FranciscoWashington

Daily highs

6080JanMarMayJulSepNovSan Francisco, Jan: 58 °FSan Francisco, Feb: 60 °FSan Francisco, Mar: 62 °FSan Francisco, Apr: 63 °FSan Francisco, May: 64 °FSan Francisco, Jun: 66 °FSan Francisco, Jul: 66 °FSan Francisco, Aug: 68 °FSan Francisco, Sep: 70 °FSan Francisco, Oct: 70 °FSan Francisco, Nov: 64 °FSan Francisco, Dec: 58 °FWashington, Jan: 44 °FWashington, Feb: 48 °FWashington, Mar: 56 °FWashington, Apr: 68 °FWashington, May: 77 °FWashington, Jun: 85 °FWashington, Jul: 90 °FWashington, Aug: 88 °FWashington, Sep: 81 °FWashington, Oct: 70 °FWashington, Nov: 58 °FWashington, Dec: 49 °F

Daily lows

4060JanMarMayJulSepNovSan Francisco, Jan: 47 °FSan Francisco, Feb: 48 °FSan Francisco, Mar: 49 °FSan Francisco, Apr: 50 °FSan Francisco, May: 51 °FSan Francisco, Jun: 53 °FSan Francisco, Jul: 55 °FSan Francisco, Aug: 56 °FSan Francisco, Sep: 56 °FSan Francisco, Oct: 54 °FSan Francisco, Nov: 51 °FSan Francisco, Dec: 47 °FWashington, Jan: 28 °FWashington, Feb: 30 °FWashington, Mar: 37 °FWashington, Apr: 47 °FWashington, May: 57 °FWashington, Jun: 66 °FWashington, Jul: 71 °FWashington, Aug: 69 °FWashington, Sep: 62 °FWashington, Oct: 49 °FWashington, Nov: 39 °FWashington, Dec: 32 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
San Francisco high586062636466666870706458
Washington high444856687785908881705849
San Francisco low474849505153555656545147
Washington low283037475766716962493932

Monthly precipitation

Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.

San FranciscoWashington
0.02.04.0JanMarMayJulSepNovSan Francisco, Jan: 4.5 inSan Francisco, Feb: 4.7 inSan Francisco, Mar: 3.5 inSan Francisco, Apr: 1.6 inSan Francisco, May: 0.8 inSan Francisco, Jun: 0.2 inSan Francisco, Jul: 0.0 inSan Francisco, Aug: 0.0 inSan Francisco, Sep: 0.1 inSan Francisco, Oct: 1.0 inSan Francisco, Nov: 2.2 inSan Francisco, Dec: 4.2 inWashington, Jan: 3.1 inWashington, Feb: 2.9 inWashington, Mar: 3.9 inWashington, Apr: 3.4 inWashington, May: 3.8 inWashington, Jun: 3.5 inWashington, Jul: 4.1 inWashington, Aug: 3.5 inWashington, Sep: 4.3 inWashington, Oct: 3.4 inWashington, Nov: 2.9 inWashington, Dec: 3.5 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
San Francisco4.54.73.51.60.80.20.00.00.11.02.24.2
Washington3.12.93.93.43.83.54.13.54.33.42.93.5

Monthly sunny days

Days each month with clear or partly cloudy skies, so compare the same month between cities.

San FranciscoWashington
01020JanMarMayJulSepNovSan Francisco, Jan: 14 daysSan Francisco, Feb: 13 daysSan Francisco, Mar: 16 daysSan Francisco, Apr: 19 daysSan Francisco, May: 22 daysSan Francisco, Jun: 25 daysSan Francisco, Jul: 28 daysSan Francisco, Aug: 27 daysSan Francisco, Sep: 27 daysSan Francisco, Oct: 24 daysSan Francisco, Nov: 18 daysSan Francisco, Dec: 15 daysWashington, Jan: 16 daysWashington, Feb: 15 daysWashington, Mar: 16 daysWashington, Apr: 16 daysWashington, May: 16 daysWashington, Jun: 17 daysWashington, Jul: 19 daysWashington, Aug: 19 daysWashington, Sep: 18 daysWashington, Oct: 19 daysWashington, Nov: 18 daysWashington, Dec: 17 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
San Francisco141316192225282727241815
Washington161516161617191918191817

Keep comparing

Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.

About this data

Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).