Chantilly, VA Weather - Forecast & Monthly Averages

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TEMPERATURE	27
HUMIDITY	50
PRESSURE	102370.52
WIND COND.	170 9.3

Weather Quick Facts

The highest monthly average temperature in Chantilly for July is 77.7 degrees
The lowest monthly average temperature in Chantilly for January is 34.4 degrees
The most monthly precipitation in Chantilly occurs in May with 5.6 inches
The air quality index in Chantilly is 12% worse than the national average
The pollution index in Chantilly is 92% better than the national average

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Chantilly 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	24°F	46°F	34°F	2.7"
February	25°F	48°F	36°F	2.1"
March	33°F	58°F	45°F	3.2"
April	43°F	71°F	56°F	3.7"
May	52°F	78°F	65°F	5.6"
June	61°F	86°F	74°F	4.5"
July	66°F	90°F	78°F	4.2"
August	65°F	88°F	76°F	2.8"
September	58°F	82°F	69°F	3.5"
October	46°F	71°F	58°F	5.4"
November	35°F	59°F	46°F	2.6"
December	29°F	50°F	39°F	3.8"

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Chantilly 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	Chantilly	Virginia	National
Air quality index	47	58	42
Pollution index	205,216	1,561,881	2,726,193

Chantilly 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	0.001%
Benzene	0.002%
Carbon Tetrachloride	0.001%
Lead	0.000%
Mercury	0.000%

Average monthly Chantilly temperature with heat index

Chantilly monthly precipitation with daily maximum

Chantilly monthly snow depth with daily maximum

Chantilly monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
New Baltimore, VA	11,017	38	24.0%
Bull Run Mountain Estates, VA	1,777	38	24.0%
Woodburn, VA	10,081	38	24.0%
Buckhall, VA	18,116	47	6.0%
McNair, VA	20,776	47	6.0%
Chantilly, VA	23,820	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Saginaw, TX	23,835	51	2.0%
Calabasas, CA	23,842	72	44.0%
Wadsworth, OH	23,789	43	14.0%
Faribault, MN	23,853	37	26.0%
Columbus, MS	23,853	35	30.0%
Chantilly, VA	23,820	47	6.0%

Source: The Chantilly, 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.