Upper Marlboro, MD Weather - Forecast & Monthly Averages

TEMPERATURE	41
HUMIDITY	74
PRESSURE
WIND COND.	300 18.5

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Weather Quick Facts

The highest monthly average temperature in Upper Marlboro for July is 77.2 degrees
The lowest monthly average temperature in Upper Marlboro for January is 34.4 degrees
The most monthly precipitation in Upper Marlboro occurs in July with 5.9 inches
The air quality index in Upper Marlboro is 12% worse than the national average
The pollution index in Upper Marlboro is 69% better than the national average

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Upper Marlboro 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	43°F	34°F	1.3"
February	30°F	47°F	37°F	0.4"
March	37°F	57°F	46°F	1.8"
April	47°F	69°F	57°F	0.8"
May	56°F	76°F	65°F	2.5"
June	64°F	84°F	73°F	0.1"
July	68°F	89°F	77°F	5.9"
August	66°F	86°F	75°F	2.6"
September	60°F	80°F	69°F	4.2"
October	49°F	69°F	57°F	2.4"
November	38°F	57°F	46°F	0.9"
December	33°F	48°F	40°F	0.6"

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Upper Marlboro 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	Upper Marlboro	Maryland	National
Air quality index	47	43	42
Pollution index	849,185	5,342,367	2,726,193

Upper Marlboro 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	0.010%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.003%
Mercury	0.000%

Average monthly Upper Marlboro temperature with heat index

Upper Marlboro monthly precipitation with daily maximum

Upper Marlboro monthly snow depth with daily maximum

Upper Marlboro monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Chesapeake Beach, MD	5,996	41	18.0%
North Beach, MD	2,790	41	18.0%
Crownsville, MD	1,473	46	8.0%
Annapolis, MD	39,321	46	8.0%
Naval Academy, MD	5,609	46	8.0%
Upper Marlboro, MD	586	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Golden Beach, FL	586	41	18.0%
Dumont, IA	586	15	70.0%
Packwood, IA	586	35	30.0%
Bonfield, IL	586	0	100.0%
White City, KS	586	32	36.0%
Upper Marlboro, MD	586	47	6.0%

Source: The Upper Marlboro, 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.