Weldon Spring, MO Weather - Forecast & Monthly Averages

TEMPERATURE	24
HUMIDITY	84
PRESSURE	102950
WIND COND.

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Weather Quick Facts

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

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Weldon Spring 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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Weldon Spring 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	Weldon Spring	Missouri	National
Air quality index	54	97	42
Pollution index	3,042,530	1,630,255	2,726,193

Weldon Spring air quality

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

Air quality details

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

Average monthly Weldon Spring temperature with heat index

Weldon Spring monthly precipitation with daily maximum

Weldon Spring monthly snow depth with daily maximum

Weldon Spring monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Foristell, MO	881	54	8.0%
Country Life Acres, MO	52	54	8.0%
Westwood, MO	314	54	8.0%
Bridgeton, MO	11,577	54	8.0%
Ballwin, MO	30,177	54	8.0%
Weldon Spring, MO	5,536	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Byron, MN	5,536	36	28.0%
Bessemer City, NC	5,536	36	28.0%
Franklin Center, NJ	5,536	41	18.0%
Swartz Creek, MI	5,535	38	24.0%
Pelham Manor, NY	5,535	51	2.0%
Weldon Spring, MO	5,536	54	8.0%

Source: The Weldon Spring, 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.