Lancaster, PA Weather - Forecast & Monthly Averages

TEMPERATURE	38
HUMIDITY	70
PRESSURE	99870
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Lancaster for August is 74.5 degrees
The lowest monthly average temperature in Lancaster for February is 28.4 degrees
The most monthly precipitation in Lancaster occurs in July with 11.6 inches
The air quality index in Lancaster is 7% worse than the national average
The pollution index in Lancaster is 307% worse than the national average

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Lancaster 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	40°F	32°F	4.1"
February	19°F	38°F	28°F	2.9"
March	29°F	49°F	39°F	4.6"
April	40°F	63°F	51°F	6.6"
May	47°F	74°F	61°F	2.5"
June	61°F	84°F	72°F	9.0"
July	64°F	84°F	74°F	11.6"
August	65°F	84°F	74°F	4.1"
September	57°F	81°F	69°F	2.3"
October	50°F	69°F	58°F	8.8"
November	34°F	55°F	44°F	3.7"
December	25°F	40°F	33°F	5.2"

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

Lancaster 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 Lancaster temperature with heat index

Lancaster monthly precipitation with daily maximum

Lancaster monthly snow depth with daily maximum

Lancaster monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Windsor, PA	1,265	41	18.0%
Felton, PA	644	41	18.0%
East Prospect, PA	756	41	18.0%
Marietta, PA	2,616	41	18.0%
Wrightsville, PA	2,045	41	18.0%
Lancaster, PA	59,321	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Royal Oak, MI	59,256	56	12.0%
Bartlett, TN	59,252	45	10.0%
Gardena, CA	59,401	72	44.0%
Vineland, NJ	59,405	40	20.0%
Brookline, MA	59,223	43	14.0%
Lancaster, PA	59,321	45	10.0%

Source: The Lancaster, 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.