TODAY MAY28
TEMPERATURE100
HUMIDITY16
PRESSURE29.76
WIND COND.190 10.3
  • 10266Thu
  • 9259Fri20%
  • 7856Sat50%20%
  • 8158Sun
  • 8158Mon
daynightWeather update from Sacramento, Sacramento Mather Airport at
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Folsom 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
January38°F58°F47°F3.3"
February41°F63°F51°F3.1"
March44°F68°F55°F2.9"
April47°F74°F59°F1.8"
May52°F82°F65°F0.5"
June57°F90°F71°F0.3"
July59°F95°F74°F0.0"
August58°F93°F73°F0.0"
September56°F90°F70°F0.1"
October50°F79°F63°F1.2"
November43°F66°F53°F1.6"
December38°F57°F47°F3.8"

Did you know?

  • The highest monthly average temperature in Folsom for July is 74 degrees.
  • The lowest monthly average temperature in Folsom for January is 47 degrees.
  • The most monthly precipitation in Folsom occurs in December with 3.8 inches.
  • The air quality index in Folsom is 11% worse than the national average.
  • The pollution index in Folsom is 15% better than the national average.

Compare Folsom, CA Weather To Other Cities

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      Folsom 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.
      IndexFolsomCaliforniaNational
      Air quality index555550
      Pollution index4,289,31018,106,7265,066,862

      Folsom air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality155
      Days with moderate air quality175
      Days w/ poor A.Q. for sensitive groups31
      Days with unhealthy air quality4

      Folsom air quality information

      PollutantTotal
      Arsenic0.050%
      Benzene0.070%
      Carbon Tetrachloride0.001%
      Lead0.060%
      Mercury0.010%

      Average monthly Folsom temperature with heat index

      Folsom monthly precipitation with daily maximum

      Folsom monthly snow depth with daily maximum

      Folsom monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Arden-Arcade, CA96,8985510%
      Cold Springs, CA6845510%
      Fair Oaks, CA31,8045510%
      Granite Bay, CA22,8405510%
      McClellan Park, CA1,0935510%
      Folsom, CA74,9605510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lake Charles, LA75,0444216%
      Plymouth, MN75,1054412%
      Bethlehem, PA75,110476%
      Pharr, TX75,1723628%
      Wyoming, MI74,6923922%
      Folsom, CA74,9605510%
      Source: The Folsom, 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.