Fairfax Station, VA Weather - Forecast & Monthly Averages

TEMPERATURE	37
HUMIDITY	96
PRESSURE	102470
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Fairfax Station for July is 78.1 degrees
The lowest monthly average temperature in Fairfax Station for January is 35 degrees
The most monthly precipitation in Fairfax Station occurs in September with 11.4 inches
The air quality index in Fairfax Station is 12% worse than the national average
The pollution index in Fairfax Station is 86% better than the national average

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Fairfax Station 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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Fairfax Station 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	Fairfax Station	Virginia	National
Air quality index	47	58	42
Pollution index	380,124	1,561,881	2,726,193

Fairfax Station 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	0.003%
Benzene	0.005%
Carbon Tetrachloride	0.001%
Lead	0.001%
Mercury	0.000%

Average monthly Fairfax Station temperature with heat index

Fairfax Station monthly precipitation with daily maximum

Fairfax Station monthly snow depth with daily maximum

Fairfax Station monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Manassas Park, VA	17,548	47	6.0%
McNair, VA	20,776	47	6.0%
Nokesville, VA	1,366	47	6.0%
Sudley, VA	18,019	47	6.0%
Brookmont, MD	3,925	47	6.0%
Fairfax Station, VA	12,364	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Larkspur, CA	12,363	40	20.0%
Lakeland Village, CA	12,362	89	78.0%
Urbana, MD	12,362	40	20.0%
Winnetka, IL	12,361	55	10.0%
Wellesley, ON	12,358	n/a
Fairfax Station, VA	12,364	47	6.0%

Source: The Fairfax Station, 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.