TODAY FEB28
TEMPERATURE50
HUMIDITY84
PRESSURE30.01
WIND COND.93 1.6
  • 6945Sun
  • 6945Mon
  • 6546Tue30%
  • 6147Wed
  • 6549Thu
daynightWeather update from EW3219 National City at

Key findings

  • The highest monthly average temperature in Chula Vista for September is 68 degrees
  • The lowest monthly average temperature in Chula Vista for December is 55 degrees
  • The most monthly precipitation in Chula Vista occurs in February with 3.8 inches
  • The air quality index in Chula Vista is 29% worse than the national average
  • The pollution index in Chula Vista is 804% worse than the national average

Compare Chula Vista, CA Weather

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      Chula Vista 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
      January48°F64°F55°F2.8"
      February49°F64°F56°F3.8"
      March51°F65°F58°F0.1"
      April53°F66°F59°F0.0"
      May57°F67°F62°F1.5"
      June60°F68°F63°F0.0"
      July63°F72°F67°F0.0"
      August64°F73°F68°F0.0"
      September63°F74°F68°F0.3"
      October58°F72°F64°F0.0"
      November53°F69°F60°F0.1"
      December48°F64°F55°F1.5"

      Chula Vista 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.
      IndexChula VistaCaliforniaNational
      Air quality index645550
      Pollution index45,820,50018,106,7265,066,862

      Chula Vista air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      Chula Vista air quality information

      PollutantTotal
      Arsenic1.130%
      Benzene0.410%
      Carbon Tetrachloride0.030%
      Lead0.600%
      Mercury0.080%

      Average monthly Chula Vista temperature with heat index

      Chula Vista monthly precipitation with daily maximum

      Chula Vista monthly snow depth with daily maximum

      Chula Vista monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Jamul, CA5,6406428%
      San Diego, CA1,374,8126428%
      Casa de Oro-Mount Helix, CA20,1376428%
      Harbison Canyon, CA4,1286428%
      Santee, CA56,8396428%
      Chula Vista, CA260,5986428%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fort Wayne, IN260,9544510%
      Jersey City, NJ261,666512%
      Buffalo, NY258,9893922%
      Orlando, FL263,3063922%
      St. Petersburg, FL253,5854314%
      Chula Vista, CA260,5986428%
      Source: The Chula Vista, 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.