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Weather & Climate in Falls Church, VA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Falls Church enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 78°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 48.5 inches (wetter than the 38-inch national average). The area receives 5.8 inches of snow annually. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 331 feet.

Temperature

34°F Jan (1°C) 78°F Jul (26°C)
Annual Average56.2°F
4% above US avg
January Average34°F (1°C)
July Average78°F (26°C)
Sunny Days293 days/yr

Geography

Elevation331 ft (101 m)
Area2.0 sq mi (5.2 km²)
Population Density7,119/sq mi
Coordinates38.8847°N, 77.1756°W
TimezoneAmerica/New_York
CountyFalls Church city County
Nearest AirportRonald Reagan Washington Ntl (DCA)
8 miles away

Precipitation & Snow

Annual Rainfall 48.5"
28% above US avg
Snowfall 5.8"
Wettest Month (May) 4.06"
Driest Month (Feb) 2.72"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score1.6 / 100
Social Vulnerability10.6 / 100
Community Resilience98.3 / 100

Hazard Breakdown

Tornado Very Low
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Very Low
Hail Very Low
Strong Wind Relatively Low
Heat Wave Very Low
Winter Weather Very Low
Lightning Relatively Low
Ice Storm Very Low
Drought No Rating
Cold Wave Very Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

44 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Aug 23, 2011 11 km SSW of Mineral, Virginia M5.8 127 km 6 km
Aug 25, 2011 8 km SW of Mineral, Virginia M4.5 125 km 7 km
Aug 24, 2011 11 km SSW of Mineral, Virginia M4.2 127 km 0 km
Mar 15, 1991 7 km NNW of Goochland, Virginia M3.8 142 km 16 km
Jul 16, 2010 5 km NNW of Barnesville, Maryland M3.6 47 km 7 km
Aug 24, 2011 16 km NNW of Goochland, Virginia M3.4 136 km 0 km
Sep 1, 2011 7 km SSW of Mineral, Virginia M3.4 123 km 3 km
Sep 22, 2001 5 km E of Pantops, Virginia M3.2 143 km 0 km
Jan 30, 2012 9 km SSE of Louisa, Virginia M3.1 126 km 3 km
Jun 3, 2010 4 km ENE of Franklintown, Pennsylvania M3.1 135 km 2 km
Jan 17, 2016 3 km NE of Ranson, West Virginia M3.0 74 km 5 km
Oct 12, 2011 9 km S of Louisa, Virginia M3.0 126 km 4 km
Oct 2, 2010 10 km NNW of Ashland, Virginia M3.0 119 km 19 km
Mar 26, 2012 13 km S of Louisa, Virginia M3.0 130 km 9 km
Apr 24, 2009 1 km S of Franklintown, Pennsylvania M2.9 132 km 1 km
Sep 15, 2019 5 km ESE of East Berlin, Pennsylvania M2.8 118 km 5 km
Aug 23, 2011 9 km SSW of Mineral, Virginia M2.8 125 km 0 km
Mar 15, 2015 6 km SW of Mineral, Virginia M2.8 123 km 5 km
Apr 21, 1998 1 km NNW of Free Union, Virginia M2.8 145 km 2 km
Jan 14, 2025 1 km NNE of Wyndham, Virginia M2.8 136 km 0 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.

Year Name Category Max Wind Closest
2011 Irene Category 1 75 mph 209 km
2003 Isabel Category 1 75 mph 247 km
1999 Floyd Category 1 250 km
1986 Charley Category 1 81 mph 239 km
1985 Gloria Category 2 98 mph 239 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

481 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 9 fatalities, 369 injuries.

Date Rating Distance Path Fatalities
Apr 28, 2002 EF4 37 km 38.0 mi 3
Sep 24, 2001 EF4 78 km 10.0 mi 0
Sep 17, 2004 EF3 68 km 9.0 mi 0
Apr 28, 2002 EF3 92 km 18.0 mi 0
Sep 24, 2001 EF3 18 km 17.5 mi 2
Jul 19, 1996 EF3 71 km 2.2 mi 0
Oct 18, 1990 EF3 95 km 3.5 mi 0
May 22, 1983 EF3 91 km 2.0 mi 0
Sep 5, 1979 EF3 14 km 17.9 mi 1
Jan 26, 1978 EF3 44 km 0.7 mi 1
Apr 1, 1973 EF3 16 km 9.8 mi 0
Jun 9, 1961 EF3 59 km 0.1 mi 0
Sep 1, 2021 EF2 50 km 11.4 mi 0
Nov 2, 2018 EF2 52 km 5.5 mi 0
Jul 23, 2017 EF2 72 km 2.4 mi 0
May 8, 2008 EF2 66 km 3.4 mi 0
Sep 17, 2004 EF2 60 km 8.0 mi 0
Sep 17, 2004 EF2 94 km 7.0 mi 0
Sep 17, 2004 EF2 22 km 15.0 mi 0
Sep 17, 2004 EF2 36 km 4.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

3 wildfires (100+ acres) recorded within 100 km. Largest: SMITH RUN FIRE (1,908 acres, 2011).

Year Name Acres Burned Distance
2011 SMITH RUN FIRE 1,908 87 km
1999 NCO 816 41 km
1984 UNNAMED 696 100 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 34°F (1°C) 3.0 in Coldest
February 36°F (2°C) 2.7 in Driest
March 45°F (7°C) 3.5 in
April 55°F (13°C) 3.2 in
May 64°F (18°C) 4.1 in Wettest
June 72°F (22°C) 3.6 in
July 78°F (26°C) 3.7 in Warmest
August 75°F (24°C) 3.7 in
September 69°F (20°C) 3.7 in
October 57°F (14°C) 3.2 in
November 47°F (8°C) 3.4 in
December 38°F (3°C) 3.2 in

Falls Church has a seasonal temperature swing of 44°F / from 34°F in January to 78°F in July. Total annual precipitation is 40.8 inches, with May being the wettest month (4.1") and February the driest (2.7").

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