Fort Belvoir, VA Weather - Forecast & Monthly Averages

TEMPERATURE	38
HUMIDITY	79
PRESSURE	100510
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Fort Belvoir for July is 78.1 degrees
The lowest monthly average temperature in Fort Belvoir for January is 35 degrees
The most monthly precipitation in Fort Belvoir occurs in September with 11.4 inches
The air quality index in Fort Belvoir is 12% worse than the national average
The pollution index in Fort Belvoir is 2% worse than the national average

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Fort Belvoir 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	45°F	35°F	4.6"
February	27°F	48°F	37°F	4.1"
March	36°F	59°F	47°F	5.4"
April	45°F	70°F	57°F	6.6"
May	54°F	77°F	66°F	7.2"
June	63°F	86°F	74°F	10.2"
July	67°F	89°F	78°F	8.7"
August	66°F	87°F	76°F	7.4"
September	59°F	81°F	69°F	11.4"
October	48°F	70°F	58°F	8.8"
November	37°F	59°F	47°F	5.7"
December	31°F	50°F	40°F	5.9"

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Fort Belvoir 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	Fort Belvoir	Virginia	National
Air quality index	47	58	42
Pollution index	2,776,590	1,561,881	2,726,193

Fort Belvoir 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	0.020%
Carbon Tetrachloride	0.010%
Lead	0.020%
Mercury	0.030%

Average monthly Fort Belvoir temperature with heat index

Fort Belvoir monthly precipitation with daily maximum

Fort Belvoir monthly snow depth with daily maximum

Fort Belvoir monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
La Plata, MD	9,516	47	6.0%
Clinton, MD	37,765	47	6.0%
Glassmanor, MD	16,305	47	6.0%
Oxon Hill, MD	18,049	47	6.0%
Belle Haven, VA	6,582	47	6.0%
Fort Belvoir, VA	7,794	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
St. Francis, MN	7,793	46	8.0%
Manhasset, NY	7,792	51	2.0%
South Cleveland, TN	7,792	1	98.0%
Bloomfield, NM	7,791	49	2.0%
Kenai, AK	7,799	31	38.0%
Fort Belvoir, VA	7,794	47	6.0%

Source: The Fort Belvoir, VA 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.