TODAY DEC08
TEMPERATURE72
HUMIDITY24
PRESSURE101970
WIND COND.70 9.4
  • 6339Mon
  • 5938Tue
  • 6038Wed
  • 6139Thu
  • 5843Fri
daynightWeather update from Vacaville Nut Tree Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Vacaville for July is 76.9 degrees
  • The lowest monthly average temperature in Vacaville for December is 47.1 degrees
  • The most monthly precipitation in Vacaville occurs in January with 5.6 inches
  • The air quality index in Vacaville is 17% better than the national average
  • The pollution index in Vacaville is 10% better than the national average

Compare Vacaville, CA Weather

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      Vacaville 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
      January37°F60°F47°F5.6"
      February41°F64°F52°F4.8"
      March45°F69°F56°F4.6"
      April47°F74°F60°F2.5"
      May52°F82°F67°F0.7"
      June57°F91°F74°F0.3"
      July60°F96°F77°F0.0"
      August59°F95°F75°F0.0"
      September56°F92°F73°F0.1"
      October50°F81°F64°F1.9"
      November43°F68°F54°F2.3"
      December37°F59°F47°F4.6"

      Vacaville 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.
      IndexVacavilleCaliforniaNational
      Air quality index355542
      Pollution index2,457,15010,473,1902,726,193

      Vacaville 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 Vacaville temperature with heat index

      Vacaville monthly precipitation with daily maximum

      Vacaville monthly snow depth with daily maximum

      Vacaville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Allendale, CA1,4293530.0%
      Hartley, CA2,6553530.0%
      Winters, CA7,2853530.0%
      Elmira, CA2343530.0%
      Fairfield, CA116,5443530.0%
      Vacaville, CA99,9583530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Kenosha, WI99,7673922.0%
      San Angelo, TX100,5092844.0%
      Tuscaloosa, AL100,6333530.0%
      Spokane Valley, WA99,2754314.0%
      Vista, CA100,6596428.0%
      Vacaville, CA99,9583530.0%
      Source: The Vacaville, 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.