TODAY APR25
TEMPERATURE69
HUMIDITY53
PRESSURE
WIND COND.201 1.6
  • 6345Fri20%
  • 6546Sat
  • 6744Sun
  • 6847Mon
  • 7248Tue
daynightWeather update from CORRALITOS at
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Weather Quick Facts

  • The highest monthly average temperature in Day Valley for September is 62.1 degrees
  • The lowest monthly average temperature in Day Valley for December is 49.2 degrees
  • The most monthly precipitation in Day Valley occurs in December with 3.6 inches
  • The air quality index in Day Valley is 17% better than the national average
  • The pollution index in Day Valley is 99% worse than the national average

Compare Day Valley, CA Weather

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      Day Valley 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
      January40°F63°F50°F3.5"
      February42°F64°F52°F2.9"
      March44°F65°F53°F3.5"
      April45°F68°F55°F1.6"
      May48°F70°F57°F0.3"
      June51°F73°F60°F0.2"
      July54°F73°F61°F0.0"
      August54°F73°F62°F0.0"
      September53°F76°F62°F0.1"
      October50°F75°F60°F0.9"
      November44°F68°F54°F1.7"
      December39°F62°F49°F3.6"

      Day Valley 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.
      IndexDay ValleyCaliforniaNational
      Air quality index355542
      Pollution index5,429,55010,473,1902,726,193

      Day Valley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality347
      Days with moderate air quality18
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Day Valley air quality information

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

      Average monthly Day Valley temperature with heat index

      Day Valley monthly precipitation with daily maximum

      Day Valley monthly snow depth with daily maximum

      Day Valley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Aptos Hills-Larkin Valley, CA1,3973530.0%
      Freedom, CA3,9593530.0%
      Mount Hermon, CA1,3943530.0%
      Pleasure Point, CA6,1733530.0%
      Seacliff, CA3,5803530.0%
      Day Valley, CA3,4143530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Johnston City, IL3,4144314.0%
      West Liberty, KY3,4144216.0%
      Hanover, MN3,414468.0%
      New Hampton, IA3,4133922.0%
      Maiden, NC3,4133628.0%
      Day Valley, CA3,4143530.0%
      Source: The Day Valley, 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.