Great Falls, VA Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	63
PRESSURE	100540
WIND COND.	280 9.4

New Real Estate Listings in Great Falls Area

For Sale For Rent

Search

Search Homes for Sale in Great Falls, VA

Weather Quick Facts

The highest monthly average temperature in Great Falls for July is 77.7 degrees
The lowest monthly average temperature in Great Falls for January is 34.4 degrees
The most monthly precipitation in Great Falls occurs in May with 5.6 inches
The air quality index in Great Falls is 12% worse than the national average
The pollution index in Great Falls is 439% worse than the national average

Compare Great Falls, VA Weather

Write a review to give others more information about this area.

See all Great Falls poll results

Great Falls 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"

The best places in Virginia

Here are the best places to live in Virginia

Check out the 10 most dangerous cities in Virginia

See the best places to live in Great Falls

Most Dangerous States In The US

Great Falls 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	Great Falls	Virginia	National
Air quality index	47	58	42
Pollution index	14,693,900	1,561,881	2,726,193

Great Falls 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	0.190%
Benzene	0.210%
Carbon Tetrachloride	0.060%
Lead	0.060%
Mercury	0.010%

Average monthly Great Falls temperature with heat index

Great Falls monthly precipitation with daily maximum

Great Falls monthly snow depth with daily maximum

Great Falls monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Dranesville, VA	11,929	47	6.0%
Moorefield Station, VA	1,314	47	6.0%
University Center, VA	3,878	47	6.0%
Chantilly, VA	23,820	47	6.0%
Stone Ridge, VA	15,034	47	6.0%
Great Falls, VA	14,793	47	6.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Tonawanda, NY	14,790	39	22.0%
Bluffdale, UT	14,802	51	2.0%
Winkler, MB	14,804	n/a
Sooke, BC	14,780	n/a
Eggertsville, NY	14,806	39	22.0%
Great Falls, VA	14,793	47	6.0%

Source: The Great Falls, 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.