Union, MO Weather - Forecast & Monthly Averages

TEMPERATURE	55
HUMIDITY	100
PRESSURE	101420
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Union for July is 78.7 degrees
The lowest monthly average temperature in Union for January is 32.1 degrees
The most monthly precipitation in Union occurs in April with 5.3 inches
The air quality index in Union is 28% worse than the national average
The pollution index in Union is 12% worse than the national average

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Union Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	23°F	44°F	32°F	2.1"
February	25°F	46°F	35°F	1.8"
March	36°F	60°F	47°F	3.7"
April	46°F	71°F	58°F	5.3"
May	55°F	78°F	66°F	4.5"
June	65°F	87°F	76°F	4.8"
July	68°F	90°F	79°F	2.9"
August	66°F	89°F	77°F	3.4"
September	58°F	82°F	69°F	3.9"
October	46°F	70°F	57°F	3.0"
November	36°F	59°F	46°F	2.8"
December	27°F	45°F	35°F	3.1"

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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.
Index	Union	Missouri	National
Air quality index	54	97	42
Pollution index	3,042,530	1,630,255	2,726,193

Union air quality information

Measurement	Total
Days measured	365
Days with good air quality	134
Days with moderate air quality	221
Days w/ poor A.Q. for sensitive groups	8
Days with unhealthy air quality	2

Union air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.040%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.001%

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	Population	Air Quality Index	National Avg.
Leslie, MO	73	39	22.0%
New Haven, MO	2,819	39	22.0%
Gray Summit, MO	2,383	54	8.0%
St. Clair, MO	4,702	54	8.0%
Miramiguoa Park, MO	158	54	8.0%
Union, MO	11,931	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Dranesville, VA	11,929	47	6.0%
St. Peter, MN	11,934	46	8.0%
Lake Los Angeles, CA	11,926	72	44.0%
Blackfoot, ID	11,936	27	46.0%
Healdsburg, CA	11,924	34	32.0%
Union, MO	11,931	54	8.0%

Source: The Union, MO 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.