The basics
Total Population
246
Median Age
22.2
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
87.9
Winter Avg Low (°F)
29.7
Avg Temperature (°F)
58.3
Hot Days/yr (>90°F)
47.5
Freezing Days/yr (<32°F)
84
Annual Precipitation (in)
45.6
Annual Snowfall (in)
9.7
The full report
Six pillars — each with percentile benchmarks, 16-year trends, and per-metric detail.
People
Work & Money
Housing
Amenities
Environment & Risk
ZIP Code 20390: frequently asked questions
- What is the weather like in ZIP Code 20390?
- ZIP Code 20390 averages 58.3°F year-round, summer highs near 87.9°F, winter lows around 29.7°F (NOAA 1991–2020 normals). It sees about 9.7 inches of snow a year.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →