TODAY NOV22
TEMPERATURE31
HUMIDITY92
PRESSURE100410
WIND COND.260 14.8
  • 4237Fri100%80%
  • 4634Sat90%50%
  • 4634Sun40%
  • 5334Mon40%80%
  • 4428Tue70%
daynightWeather update from Pittsburgh/Butler Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Unionville for July is 71.4 degrees
  • The lowest monthly average temperature in Unionville for January is 27.9 degrees
  • The most monthly precipitation in Unionville occurs in July with 7.6 inches
  • The air quality index in Unionville is 26% better than the national average
  • The pollution index in Unionville is 78% better than the national average

Compare Unionville, PA Weather

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      Unionville 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
      January21°F36°F28°F4.1"
      February20°F37°F28°F3.0"
      March30°F49°F39°F5.9"
      April40°F63°F51°F4.9"
      May50°F72°F60°F4.9"
      June58°F79°F68°F7.2"
      July62°F82°F71°F7.6"
      August60°F80°F69°F6.5"
      September54°F74°F63°F5.4"
      October44°F63°F52°F4.7"
      November34°F51°F42°F3.8"
      December27°F41°F33°F4.0"

      Unionville 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.
      IndexUnionvillePennsylvaniaNational
      Air quality index314542
      Pollution index601,9864,584,8052,726,193

      Unionville air quality

      MeasurementTotal
      Days measured361
      Days with good air quality356
      Days with moderate air quality5
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Unionville temperature with heat index

      Unionville monthly precipitation with daily maximum

      Unionville monthly snow depth with daily maximum

      Unionville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      West Liberty, PA2943138.0%
      Lake Arthur Estates, PA4663138.0%
      Portersville, PA2623138.0%
      East Butler, PA9473138.0%
      Meridian, PA4,0233138.0%
      Unionville, PA6083138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tazlina, AK6083138.0%
      Gasquet, CA6082060.0%
      Westwood city, KY6084216.0%
      Port Austin, MI6082648.0%
      Butterfield, MO6081864.0%
      Unionville, PA6083138.0%
      Source: The Unionville, PA 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.