Mount Joy, PA Weather - Forecast & Monthly Averages

TEMPERATURE	20
HUMIDITY	57
PRESSURE	102710
WIND COND.	340 18.4

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Weather Quick Facts

The highest monthly average temperature in Mount Joy for July is 75.4 degrees
The lowest monthly average temperature in Mount Joy for January is 30.8 degrees
The most monthly precipitation in Mount Joy occurs in June with 5.4 inches
The air quality index in Mount Joy is 7% worse than the national average
The pollution index in Mount Joy is 307% worse than the national average

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Mount Joy 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	22°F	40°F	31°F	2.4"
February	22°F	41°F	31°F	2.2"
March	31°F	52°F	41°F	2.8"
April	41°F	65°F	52°F	3.6"
May	51°F	74°F	62°F	3.7"
June	61°F	82°F	72°F	5.4"
July	65°F	86°F	75°F	4.6"
August	62°F	84°F	73°F	3.4"
September	56°F	78°F	67°F	4.7"
October	45°F	66°F	55°F	4.5"
November	35°F	54°F	44°F	2.3"
December	28°F	45°F	36°F	3.3"

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Mount Joy 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	Mount Joy	Pennsylvania	National
Air quality index	45	45	42
Pollution index	11,091,200	4,584,805	2,726,193

Mount Joy air quality

Measurement	Total
Days measured	365
Days with good air quality	238
Days with moderate air quality	117
Days w/ poor A.Q. for sensitive groups	9
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.140%
Carbon Tetrachloride	0.030%
Lead	0.310%
Mercury	0.004%

Average monthly Mount Joy temperature with heat index

Mount Joy monthly precipitation with daily maximum

Mount Joy monthly snow depth with daily maximum

Mount Joy monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Red Lion, PA	6,334	41	18.0%
Valley View, PA	2,956	41	18.0%
East York, PA	8,984	41	18.0%
York, PA	44,019	41	18.0%
Windsor, PA	1,265	41	18.0%
Mount Joy, PA	8,204	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kirkland Lake, ON	8,204	n/a
Westlake Village, CA	8,203	46	8.0%
Carl Junction, MO	8,202	37	26.0%
North Patchogue, NY	8,202	43	14.0%
Lockwood, MT	8,206	21	58.0%
Mount Joy, PA	8,204	45	10.0%

Source: The Mount Joy, 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.