TODAY APR23
TEMPERATURE39
HUMIDITY57
PRESSURE30.08
WIND COND.280 11.2
  • 5737Fri
  • 5943Sat90%
  • 5431Sun30%
  • 6343Mon
  • 7654Tue
daynightWeather update from Butler, Butler County Airport/K W Scholter Field at

Key findings

  • 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 38% better than the national average
  • The pollution index in Unionville is 88% 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 index314550
      Pollution index601,9864,327,9925,066,862

      Unionville air quality information

      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

      Unionville air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      West Sunbury, PA1513138%
      Unionville borough, PA2323138%
      Prospect, PA1,2453138%
      Zelienople, PA3,7363138%
      Harmony, PA8103138%
      Unionville, PA1,0253138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wister, OK1,0253628%
      Hubbell, MI1,025884%
      East Prospect, PA1,0254118%
      Yeagertown, PA1,0254412%
      Lakeview, MI1,0253824%
      Unionville, PA1,0253138%
      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.