Downtown, St. Louis, MO Weather - Forecast & Monthly Averages

TEMPERATURE	57
HUMIDITY	89
PRESSURE	100950
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Downtown for July is 78.8 degrees
The lowest monthly average temperature in Downtown for January is 32.5 degrees
The most monthly precipitation in Downtown occurs in April with 5.3 inches
The air quality index in Downtown is 28% worse than the national average
The pollution index in Downtown is 211% worse than the national average

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Downtown 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	24°F	43°F	32°F	1.8"
February	26°F	45°F	34°F	1.6"
March	37°F	59°F	47°F	3.7"
April	47°F	70°F	58°F	5.3"
May	56°F	78°F	67°F	4.8"
June	65°F	88°F	76°F	4.4"
July	68°F	90°F	79°F	3.9"
August	66°F	89°F	77°F	3.1"
September	58°F	82°F	69°F	4.2"
October	47°F	71°F	58°F	3.1"
November	36°F	58°F	46°F	2.8"
December	29°F	45°F	36°F	3.1"

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Downtown 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	Downtown	St. Louis	Missouri
Air quality index	54	54	97
Pollution index	8,473,050	8,473,050	1,630,255

Downtown 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	0.020%
Benzene	0.070%
Carbon Tetrachloride	0.020%
Lead	0.010%
Mercury	0.010%

Average monthly Downtown temperature with heat index

Downtown monthly precipitation with daily maximum

Downtown monthly snow depth with daily maximum

Downtown monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Shiloh, IL	13,465	54	8.0%
Crestwood, MO	11,859	54	8.0%
Collinsville, IL	24,489	54	8.0%
Hanley Hills, MO	1,853	54	8.0%
Pagedale, MO	3,301	54	8.0%
St. Louis, MO	304,709	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
St. Paul, MN	305,877	46	8.0%
Cincinnati, OH	302,687	54	8.0%
Pittsburgh, PA	301,286	56	12.0%
Henderson, NV	309,955	54	8.0%
Stockton, CA	311,103	45	10.0%
St. Louis, MO	304,709	54	8.0%

Source: The Downtown, St. Louis, 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.