Mount Gretna, PA Weather - Forecast & Monthly Averages

TEMPERATURE	41
HUMIDITY	89
PRESSURE	100340
WIND COND.	310 13

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Weather Quick Facts

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

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

Mount Gretna air quality

Measurement	Total
Days measured	360
Days with good air quality	278
Days with moderate air quality	78
Days w/ poor A.Q. for sensitive groups	4
Days with unhealthy air quality	0

Air quality details

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

Average monthly Mount Gretna temperature with heat index

Mount Gretna monthly precipitation with daily maximum

Mount Gretna monthly snow depth with daily maximum

Mount Gretna monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Marietta, PA	2,616	41	18.0%
Manchester, PA	2,680	41	18.0%
Bainbridge, PA	1,399	41	18.0%
York Haven, PA	819	41	18.0%
Falmouth, PA	569	41	18.0%
Mount Gretna, PA	165	42	16.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Beaverton, AL	165	39	22.0%
Lexa, AR	165	45	10.0%
Captiva, FL	165	36	28.0%
Bouton, IA	165	37	26.0%
Prairieburg, IA	165	39	22.0%
Mount Gretna, PA	165	42	16.0%

Source: The Mount Gretna, 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.