TODAY JUN20
TEMPERATURE83
HUMIDITY63
PRESSURE29.94
WIND COND.
  • 8568Wed30%70%
  • 7867Thu50%70%
  • 8267Fri50%70%
  • 8165Sat50%
  • 8264Sun40%30%
daynightWeather update from Cincinnati/Northern Kentucky International Airport at

Union Average Weather

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
January-6°F67°F34°F4.1"
February-6°F66°F33°F2.9"
March6°F82°F44°F4.9"
April23°F85°F55°F3.8"
May30°F90°F63°F3.6"
June48°F94°F73°F4.0"
July47°F97°F75°F3.6"
August50°F101°F76°F2.5"
September39°F97°F69°F3.4"
October25°F91°F56°F4.7"
November10°F75°F45°F2.2"
December3°F70°F35°F3.5"

Did you know?

  • The highest monthly average temperature in Union for August is 76 degrees.
  • The lowest monthly average temperature in Union for February is 33 degrees.
  • The most monthly precipitation in Union occurs in March with 4.9 inches.
  • The air quality index in Union is 8% worse than the national average.
  • The pollution index in Union is 372% worse than the national average.

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Compare Union, KY Weather To Other Cities

Union 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.
IndexUnionKentuckyNational
Air quality index544550
Pollution index23,937,2005,222,6645,066,862

Union air quality information

MeasurementTotal
Days measured365
Days with good air quality156
Days with moderate air quality198
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality

Union air quality information

PollutantTotal
Arsenic0.500%
Benzene0.180%
Carbon Tetrachloride0.110%
Lead0.250%
Mercury0.060%

Average monthly Union temperature with heat index

Union monthly precipitation with daily maximum

Union monthly snow depth with daily maximum

Union monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Norwood, OH19,462548%
Greendale, IN4,475548%
Belleview, KY518548%
Claryville, KY2,637548%
Crestview, KY392548%
Union, KY5,677548%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Willow Springs, IL5,6776020%
High Springs, FL5,6783334%
Monaca, PA5,678688%
Luling, TX5,6794118%
Bath, NY5,6743040%
Union, KY5,677548%
Source: The Union, KY 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.