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Excelsior Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January44°F58°F51°F3.2"
February46°F62°F53°F3.4"
March47°F64°F54°F2.7"
April49°F67°F56°F1.7"
May51°F69°F58°F0.3"
June54°F72°F61°F0.2"
July56°F73°F62°F0.0"
August56°F73°F62°F0.0"
September56°F76°F63°F0.1"
October54°F73°F62°F1.0"
November49°F65°F56°F1.7"
December44°F58°F51°F4.4"

Did you know?

  • The highest monthly average temperature in Excelsior for September is 63 degrees.
  • The lowest monthly average temperature in Excelsior for January is 51 degrees.
  • The most monthly precipitation in Excelsior occurs in December with 4.4 inches.
  • The air quality index in Excelsior is 14% better than the national average.
  • The pollution index in Excelsior is 62% worse than the national average.

Compare San Francisco, CA Weather To Other Cities

Excelsior air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexExcelsiorSan FranciscoCalifornia
Air quality index434355
Pollution index8,232,3608,232,36018,106,726

Excelsior air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality115
Days w/ poor A.Q. for sensitive groups9
Days with unhealthy air quality

Excelsior air quality information

PollutantTotal
Arsenic0.010%
Benzene0.060%
Carbon Tetrachloride0.000%
Lead0.010%
Mercury0.010%

Average monthly Excelsior temperature with heat index

Excelsior monthly precipitation with daily maximum

Excelsior monthly snow depth with daily maximum

Excelsior monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Alto, CA6494314%
Brisbane, CA4,5684314%
Corte Madera, CA9,6944314%
Marin City, CA3,1154314%
Strawberry, CA5,6894314%
San Francisco, CA850,2824314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Indianapolis, IN846,6745918%
Jacksonville, FL856,6163824%
Columbus, OH837,0384314%
Fort Worth, TX815,930548%
Charlotte, NC808,8344216%
San Francisco, CA850,2824314%
Source: The Excelsior, San Francisco, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.
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