TODAY MAY18
TEMPERATURE91
HUMIDITY13
PRESSURE
WIND COND.250 12.9
  • 9868Tue
  • 9965Wed
  • 9460Thu
  • 8656Fri
  • 8757Sat
daynightWeather update from RICE VALLEY at

Key findings

  • The highest monthly average temperature in Poston for July is 96.2 degrees
  • The lowest monthly average temperature in Poston for December is 53.6 degrees
  • The most monthly precipitation in Poston occurs in January with 0.6 inches
  • The air quality index in Poston is 74% better than the national average
  • The pollution index in Poston is 49% better than the national average

Compare Poston, AZ Weather

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      Poston 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°F69°F55°F0.6"
      February46°F74°F60°F0.6"
      March51°F82°F67°F0.3"
      April57°F89°F73°F0.0"
      May64°F97°F81°F0.1"
      June74°F107°F92°F0.0"
      July82°F110°F96°F0.4"
      August81°F109°F95°F0.5"
      September73°F103°F88°F0.2"
      October61°F91°F76°F0.2"
      November50°F79°F64°F0.1"
      December41°F68°F54°F0.6"

      Poston 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.
      IndexPostonArizonaNational
      Air quality index135750
      Pollution index2,561,4105,576,4945,066,862

      Poston air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality357
      Days with moderate air quality7
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Poston air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.090%
      Mercury0.001%

      Average monthly Poston temperature with heat index

      Poston monthly precipitation with daily maximum

      Poston monthly snow depth with daily maximum

      Poston monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bluewater, CA2121374%
      Bluewater, AZ8021374%
      Cienega Springs, AZ1,7951374%
      Big River, CA1,1201374%
      Parker, AZ3,0431374%
      Poston, AZ3471374%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sulphur Springs, IN3472844%
      Cameron, OK3473628%
      Ceylon, MN3471570%
      Mardela Springs, MD3473628%
      Esperance, NY3473726%
      Poston, AZ3471374%
      Source: The Poston, AZ 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.