TODAY MAY05
TEMPERATURE84
HUMIDITY18
PRESSURE
WIND COND.231 9.6
  • 7742Thu
  • 7239Fri
  • 7341Sat
  • 7542Sun
  • 7745Mon
daynightWeather update from CASHMAN at

Key findings

  • The highest monthly average temperature in Greenville for July is 81 degrees
  • The lowest monthly average temperature in Greenville for December is 46.6 degrees
  • The most monthly precipitation in Greenville occurs in December with 4.1 inches
  • The air quality index in Greenville is 8% better than the national average
  • The pollution index in Greenville is 64% better than the national average

Compare Greenville, CA Weather

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      Greenville 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°F58°F47°F3.5"
      February42°F62°F51°F3.9"
      March45°F67°F56°F3.7"
      April48°F74°F60°F2.1"
      May55°F84°F69°F0.7"
      June61°F92°F76°F0.3"
      July65°F98°F81°F0.0"
      August63°F95°F79°F0.0"
      September59°F90°F74°F0.2"
      October51°F79°F64°F1.2"
      November44°F65°F54°F2.6"
      December38°F57°F47°F4.1"

      Greenville 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.
      IndexGreenvilleCaliforniaNational
      Air quality index465550
      Pollution index1,799,83018,106,7265,066,862

      Greenville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality224
      Days with moderate air quality136
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality2

      Greenville air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.004%

      Average monthly Greenville temperature with heat index

      Greenville monthly precipitation with daily maximum

      Greenville monthly snow depth with daily maximum

      Greenville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Canyondam, CA94468%
      Hamilton Branch, CA547468%
      Lake Almanor Peninsula, CA486468%
      Prattville, CA9468%
      Crescent Mills, CA249468%
      Greenville, CA1,002468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Eclectic, AL1,002524%
      Byrdstown, TN1,0022550%
      Allenwood, NJ1,0024118%
      Grand Coteau, LA1,0024118%
      Lake View, IA1,0023530%
      Greenville, CA1,002468%
      Source: The Greenville, 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.