Langley Park, MD Weather - Forecast & Monthly Averages

TEMPERATURE	66
HUMIDITY	87
PRESSURE	101930
WIND COND.	210 7.6

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Weather Quick Facts

The highest monthly average temperature in Langley Park for July is 80.8 degrees
The lowest monthly average temperature in Langley Park for January is 37.1 degrees
The most monthly precipitation in Langley Park occurs in June with 5.3 inches
The air quality index in Langley Park is 12% worse than the national average
The pollution index in Langley Park is 455% worse than the national average

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Langley Park 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	28°F	47°F	37°F	2.7"
February	29°F	50°F	38°F	2.3"
March	37°F	60°F	47°F	3.2"
April	47°F	71°F	58°F	3.4"
May	56°F	78°F	67°F	4.6"
June	67°F	87°F	77°F	5.3"
July	72°F	91°F	81°F	4.2"
August	70°F	90°F	79°F	3.2"
September	63°F	83°F	72°F	3.5"
October	52°F	72°F	61°F	5.0"
November	40°F	61°F	50°F	2.5"
December	33°F	52°F	42°F	3.8"

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Langley Park 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	Langley Park	Maryland	National
Air quality index	47	43	42
Pollution index	15,133,000	5,342,367	2,726,193

Langley Park air quality

Measurement	Total
Days measured	365
Days with good air quality	209
Days with moderate air quality	145
Days w/ poor A.Q. for sensitive groups	10
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.070%
Benzene	0.130%
Carbon Tetrachloride	0.060%
Lead	0.070%
Mercury	0.130%

Average monthly Langley Park temperature with heat index

Langley Park monthly precipitation with daily maximum

Langley Park monthly snow depth with daily maximum

Langley Park monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Fort Meade, MD	11,340	46	8.0%
North Laurel, MD	24,856	46	8.0%
Columbia, MD	105,412	46	8.0%
Jessup, MD	10,458	46	8.0%
Maryland City, MD	17,681	46	8.0%
Langley Park, MD	19,391	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Yorkville, IL	19,386	0	100.0%
Montrose, CO	19,396	44	12.0%
Five Forks, SC	19,399	46	8.0%
Fairwood, WA	19,400	45	10.0%
Johnstown, PA	19,381	39	22.0%
Langley Park, MD	19,391	47	6.0%

Source: The Langley Park, MD 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.