TODAY APR28
TEMPERATURE70
HUMIDITY56
PRESSURE101860
WIND COND.260 20.5
  • 7244Mon
  • 7244Tue
  • 7646Wed
  • 8050Thu
  • 8149Fri
daynightWeather update from Hollister, CA at
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Weather Quick Facts

  • The highest monthly average temperature in Hollister for September is 63.3 degrees
  • The lowest monthly average temperature in Hollister for December is 50.7 degrees
  • The most monthly precipitation in Hollister occurs in December with 2.3 inches
  • The air quality index in Hollister is 12% better than the national average
  • The pollution index in Hollister is 252% worse than the national average

Compare Hollister, CA Weather

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      Hollister 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
      January42°F66°F52°F2.0"
      February43°F67°F53°F1.7"
      March46°F69°F56°F2.0"
      April47°F70°F57°F0.8"
      May51°F69°F58°F0.2"
      June53°F71°F60°F0.1"
      July55°F72°F62°F0.0"
      August56°F73°F62°F0.0"
      September55°F76°F63°F0.0"
      October51°F76°F61°F0.6"
      November46°F70°F56°F1.4"
      December40°F64°F51°F2.3"

      Hollister 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.
      IndexHollisterCaliforniaNational
      Air quality index375542
      Pollution index9,602,13010,473,1902,726,193

      Hollister air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality330
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Hollister air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.190%
      Carbon Tetrachloride0.000%
      Lead0.080%
      Mercury0.070%

      Average monthly Hollister temperature with heat index

      Hollister monthly precipitation with daily maximum

      Hollister monthly snow depth with daily maximum

      Hollister monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Tres Pinos, CA9213726.0%
      Prunedale, CA20,5603726.0%
      Aromas, CA2,6093726.0%
      Ridgemark, CA2,5723726.0%
      Gilroy, CA55,2273726.0%
      Hollister, CA40,1003726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cape Girardeau, MO40,1004412.0%
      San Gabriel, CA40,1087244.0%
      Quincy, IL40,1114118.0%
      Spanish Fork, UT40,069468.0%
      Montclair, CA40,0418978.0%
      Hollister, CA40,1003726.0%
      Source: The Hollister, 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.