TODAY NOV21
TEMPERATURE50
HUMIDITY54
PRESSURE102000
WIND COND.
  • 6950Thu
  • 6653Fri80%100%
  • 6243Sat70%50%
  • 6047Sun
  • 6346Mon
daynightWeather update from Hollister, CA at
New Real Estate Listings in Gilroy Area
Search Homes for Sale in Gilroy, CA

Weather Quick Facts

  • The highest monthly average temperature in Gilroy for July is 61.2 degrees
  • The lowest monthly average temperature in Gilroy for January is 47.2 degrees
  • The most monthly precipitation in Gilroy occurs in December with 9.8 inches
  • The air quality index in Gilroy is 12% better than the national average
  • The pollution index in Gilroy is 99% worse than the national average

Compare Gilroy, CA Weather

      vs
      How would you rate the weather in Gilroy?
      Write a review to give others more information about this area.
      How would you rate the air quality in Gilroy?
      Write a review to give others more information about this area.
      See all Gilroy poll results

      Gilroy 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°F60°F47°F6.0"
      February44°F62°F52°F7.2"
      March44°F65°F53°F5.4"
      April43°F67°F54°F2.8"
      May48°F69°F57°F1.3"
      June50°F72°F59°F2.4"
      July54°F73°F61°F0.1"
      August53°F74°F61°F0.0"
      September51°F74°F60°F1.9"
      October47°F73°F58°F2.0"
      November45°F69°F55°F2.7"
      December41°F61°F50°F9.8"

      Gilroy 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.
      IndexGilroyCaliforniaNational
      Air quality index375542
      Pollution index5,429,55010,473,1902,726,193

      Gilroy air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.080%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.150%

      Average monthly Gilroy temperature with heat index

      Gilroy monthly precipitation with daily maximum

      Gilroy monthly snow depth with daily maximum

      Gilroy monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Aptos Hills-Larkin Valley, CA1,3973530.0%
      Day Valley, CA3,4143530.0%
      Corralitos, CA2,2603530.0%
      Freedom, CA3,9593530.0%
      La Selva Beach, CA2,5443530.0%
      Gilroy, CA55,2273726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Apex, NC55,220468.0%
      Carson City, NV55,2444118.0%
      Chicopee, MA55,1864020.0%
      Kettering, OH55,271476.0%
      Hempstead, NY55,153512.0%
      Gilroy, CA55,2273726.0%
      Source: The Gilroy, 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.