Chester, PA Weather - Forecast & Monthly Averages

TEMPERATURE	20
HUMIDITY	49
PRESSURE	103250
WIND COND.	320 24.1

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Weather Quick Facts

The highest monthly average temperature in Chester for July is 79.2 degrees
The lowest monthly average temperature in Chester for January is 34.4 degrees
The most monthly precipitation in Chester occurs in August with 5.8 inches
The air quality index in Chester is 21% worse than the national average
The pollution index in Chester is 20% better than the national average

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Chester 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	26°F	44°F	34°F	3.3"
February	26°F	46°F	35°F	2.6"
March	33°F	56°F	44°F	3.6"
April	44°F	68°F	56°F	4.0"
May	54°F	77°F	65°F	3.9"
June	64°F	86°F	74°F	4.8"
July	70°F	90°F	79°F	5.0"
August	68°F	87°F	77°F	5.8"
September	61°F	82°F	71°F	4.3"
October	50°F	70°F	59°F	4.7"
November	39°F	59°F	48°F	2.8"
December	31°F	49°F	40°F	4.7"

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Chester 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	Chester	Pennsylvania	National
Air quality index	51	45	42
Pollution index	2,169,600	4,584,805	2,726,193

Chester air quality

Measurement	Total
Days measured	365
Days with good air quality	180
Days with moderate air quality	169
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.030%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.004%

Average monthly Chester temperature with heat index

Chester monthly precipitation with daily maximum

Chester monthly snow depth with daily maximum

Chester monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Woodstown, NJ	3,445	40	20.0%
Pennsville, NJ	11,968	40	20.0%
Glassboro, NJ	20,069	40	20.0%
Richwood, NJ	3,967	40	20.0%
Exton, PA	6,079	42	16.0%
Chester, PA	33,855	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Glendale Heights, IL	33,863	55	10.0%
Cottonwood Heights, UT	33,865	51	2.0%
Golden Glades, FL	33,843	41	18.0%
LaSalle, ON	33,838	n/a
San Luis, AZ	33,875	45	10.0%
Chester, PA	33,855	51	2.0%

Source: The Chester, 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.