TODAY NOV07
TEMPERATURE52
HUMIDITY48
PRESSURE102776.9
WIND COND.
  • 5232Fri
  • 5032Sat20%50%
  • 5439Sun20%90%
  • 563680%
  • 5437Tue
daynightWeather update from Sunnyside Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Sunnyside for July is 79.2 degrees
  • The lowest monthly average temperature in Sunnyside for December is 31.2 degrees
  • The most monthly precipitation in Sunnyside occurs in June with 2.8 inches
  • The air quality index in Sunnyside is 10% better than the national average
  • The pollution index in Sunnyside is 74% better than the national average

Compare Sunnyside, WA Weather

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      Sunnyside 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
      January26°F39°F33°F2.3"
      February30°F48°F38°F1.2"
      March35°F56°F46°F1.7"
      April41°F65°F53°F1.6"
      May49°F75°F62°F1.4"
      June56°F83°F69°F2.8"
      July64°F93°F79°F0.7"
      August61°F92°F77°F1.0"
      September53°F82°F68°F1.2"
      October42°F64°F53°F2.1"
      November33°F49°F41°F1.3"
      December25°F37°F31°F1.8"

      Sunnyside 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.
      IndexSunnysideWashingtonNational
      Air quality index383642
      Pollution index697,9424,541,8502,726,193

      Sunnyside air quality

      MeasurementTotal
      Days measured365
      Days with good air quality227
      Days with moderate air quality128
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.010%

      Average monthly Sunnyside temperature with heat index

      Sunnyside monthly precipitation with daily maximum

      Sunnyside monthly snow depth with daily maximum

      Sunnyside monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Grandview, WA11,0753726.0%
      Prosser, WA6,2883726.0%
      Granger, WA3,8063824.0%
      Toppenish, WA8,8723824.0%
      Mabton, WA2,1923824.0%
      Sunnyside, WA16,7033824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Highland Village, TX16,701512.0%
      Farmingville, NY16,7054314.0%
      Cohoes, NY16,7083726.0%
      Sylvan Lake, AB16,694n/a 
      Opelousas, LA16,6874118.0%
      Sunnyside, WA16,7033824.0%
      Source: The Sunnyside, WA 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.