Idylwood, VA
Full City Profile · Virginia · Falls Church city County
4.4
/5.0
A
Great
17,469
Population
6,239/sq mi density
$118,443
Median Income
$65,764 per capita
$708,400
Home Value
$1,207,899 Zillow
$2,022
Median Rent
26.4% income on rent
59°F
Avg Temperature
A
Overall
4.4 / 5.0
Strong
A+
Economy
5.0 / 5.0
$118,443 median income, 2.2% unemployment
B
Affordability
3.3 / 5.0
$708,400 home value, $2,022/mo rent
A+
Education
5.0 / 5.0
61.9% bachelor's degree or higher
Idylwood enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 81°F in July. Annual precipitation totals 41.8 inches. The area receives 13.7 inches of snow annually.
Temperature
38°F Jan (3°C)
81°F Jul (27°C)
| Annual Average | 59.3°F |
| 10% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 81°F (27°C) |
Geography
| Elevation | 440 ft (134 m) |
| Area | 2.8 sq mi (7.3 km²) |
| Population Density | 6,239/sq mi |
| Coordinates | 38.8892°N, 77.2040°W |
| Timezone | America/New_York |
| County | Falls Church city County |
| Nearest Airport | Ronald Reagan Washington Ntl (DCA) 9 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 1.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 98.3 / 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)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.9 in | Coldest |
| February | 40°F (4°C) | 2.6 in | Driest |
| March | 48°F (9°C) | 3.5 in | |
| April | 58°F (15°C) | 3.2 in | |
| May | 67°F (20°C) | 3.9 in | |
| June | 76°F (25°C) | 4.2 in | |
| July | 81°F (27°C) | 4.3 in | Warmest, Wettest |
| August | 79°F (26°C) | 3.3 in | |
| September | 72°F (22°C) | 3.9 in | |
| October | 61°F (16°C) | 3.7 in | |
| November | 50°F (10°C) | 2.9 in | |
| December | 42°F (5°C) | 3.4 in |
Idylwood has a seasonal temperature swing of 44°F / from 38°F in January to 81°F in July. Total annual precipitation is 41.8 inches, with July being the wettest month (4.3") and February the driest (2.6").