TODAY NOV09
TEMPERATURE46
HUMIDITY72
PRESSURE101730
WIND COND.190 11.2
  • 6847Sat
  • 6851Sun
  • 634590%30%
  • 6444Tue
  • 6649Wed
daynightWeather update from Fairfield / Travis Air Force Base at
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Weather Quick Facts

  • The highest monthly average temperature in Suisun City for September is 67.8 degrees
  • The lowest monthly average temperature in Suisun City for December is 47.1 degrees
  • The most monthly precipitation in Suisun City occurs in January with 9.3 inches
  • The air quality index in Suisun City is 17% better than the national average
  • The pollution index in Suisun City is 10% better than the national average

Compare Suisun City, CA Weather

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      Suisun City 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
      January41°F57°F48°F9.3"
      February44°F62°F52°F3.6"
      March47°F66°F55°F3.0"
      April49°F70°F58°F1.8"
      May52°F75°F62°F0.0"
      June56°F81°F66°F0.0"
      July57°F83°F67°F0.2"
      August57°F83°F67°F0.0"
      September57°F84°F68°F0.1"
      October53°F76°F63°F0.6"
      November46°F65°F54°F0.8"
      December40°F57°F47°F3.3"

      Suisun City 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.
      IndexSuisun CityCaliforniaNational
      Air quality index355542
      Pollution index2,457,15010,473,1902,726,193

      Suisun City air quality

      MeasurementTotal
      Days measured363
      Days with good air quality330
      Days with moderate air quality31
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.080%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.020%

      Average monthly Suisun City temperature with heat index

      Suisun City monthly precipitation with daily maximum

      Suisun City monthly snow depth with daily maximum

      Suisun City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Green Valley CDP (Los Angeles County), CA1,0003530.0%
      Moskowite Corner, CA693530.0%
      Vacaville, CA99,9583530.0%
      Elmira, CA2343530.0%
      Green Valley, CA1,5833530.0%
      Suisun City, CA29,4593530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Canton, GA29,459524.0%
      Seguin, TX29,458492.0%
      Austintown, OH29,4674216.0%
      East Palo Alto, CA29,4484314.0%
      Stockbridge, GA29,446524.0%
      Suisun City, CA29,4593530.0%
      Source: The Suisun City, 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.