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Key findings

  • The highest monthly average temperature in Round Valley for July is 81 degrees
  • The lowest monthly average temperature in Round Valley for December is 37 degrees
  • The most monthly precipitation in Round Valley occurs in January with 1.9 inches
  • The air quality index in Round Valley is 5% better than the national average
  • The pollution index in Round Valley is 98% better than the national average

Compare Round Valley, CA Weather

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      Round 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
      January23°F57°F38°F1.9"
      February25°F62°F43°F0.7"
      March30°F69°F50°F0.4"
      April35°F75°F56°F0.3"
      May43°F84°F65°F0.3"
      June51°F95°F75°F0.4"
      July57°F100°F81°F0.2"
      August53°F98°F78°F0.1"
      September46°F90°F70°F0.1"
      October37°F78°F57°F0.5"
      November27°F67°F45°F0.1"
      December21°F56°F37°F1.0"

      Round 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.
      IndexRound ValleyCaliforniaNational
      Air quality index475550
      Pollution index117,01218,106,7265,066,862

      Round Valley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality232
      Days with moderate air quality121
      Days w/ poor A.Q. for sensitive groups6
      Days with unhealthy air quality2

      Round Valley air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.000%

      Average monthly Round Valley temperature with heat index

      Round Valley monthly precipitation with daily maximum

      Round Valley monthly snow depth with daily maximum

      Round Valley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bishop, CA3,832476%
      McGee Creek, CA65476%
      West Bishop, CA2,901476%
      Chalfant, CA535476%
      Mesa, CA283476%
      Round Valley, CA461476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Long Branch, PA4615612%
      Eldorado, OK4614314%
      Dryville, PA4614216%
      De Land, IL4614216%
      North Lynbrook, NY461512%
      Round Valley, CA461476%
      Source: The Round 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.