Glenn Dale, MD Weather - Forecast & Monthly Averages

TEMPERATURE	57
HUMIDITY	76
PRESSURE
WIND COND.	160 7.6

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Weather Quick Facts

The highest monthly average temperature in Glenn Dale for August is 77.8 degrees
The lowest monthly average temperature in Glenn Dale for February is 33.4 degrees
The most monthly precipitation in Glenn Dale occurs in October with 14.5 inches
The air quality index in Glenn Dale is 12% worse than the national average
The pollution index in Glenn Dale is 440% worse than the national average

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Glenn Dale 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	30°F	46°F	37°F	5.0"
February	26°F	43°F	33°F	2.2"
March	35°F	55°F	44°F	8.6"
April	44°F	65°F	54°F	8.0"
May	53°F	74°F	63°F	10.0"
June	64°F	84°F	73°F	5.0"
July	68°F	88°F	78°F	5.4"
August	70°F	88°F	78°F	7.3"
September	61°F	82°F	71°F	2.3"
October	53°F	71°F	61°F	14.5"
November	40°F	59°F	48°F	3.8"
December	30°F	45°F	37°F	4.8"

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Glenn Dale 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	Glenn Dale	Maryland	National
Air quality index	47	43	42
Pollution index	14,735,000	5,342,367	2,726,193

Glenn Dale 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	0.220%
Benzene	0.090%
Carbon Tetrachloride	0.030%
Lead	0.110%
Mercury	0.270%

Average monthly Glenn Dale temperature with heat index

Glenn Dale monthly precipitation with daily maximum

Glenn Dale monthly snow depth with daily maximum

Glenn Dale monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Parole, MD	17,505	46	8.0%
Fort Meade, MD	11,340	46	8.0%
Pasadena, MD	29,432	46	8.0%
Elkridge, MD	21,778	46	8.0%
Gambrills, MD	2,929	46	8.0%
Glenn Dale, MD	13,722	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Beacon, NY	13,723	36	28.0%
Lake Arbor, MD	13,720	47	6.0%
Lebanon, NH	13,718	34	32.0%
Teays Valley, WV	13,729	40	20.0%
Waimalu, HI	13,714	30	40.0%
Glenn Dale, MD	13,722	47	6.0%

Source: The Glenn Dale, 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.