The basics
Total Population
441
Median Age
36.6
Climate & weather
Ranked against U.S. ZIP codes.
Summer Avg High (°F)
90.4
Winter Avg Low (°F)
39.1
Avg Temperature (°F)
61.9
Hot Days/yr (>90°F)
89.6
Freezing Days/yr (<32°F)
15.4
Annual Precipitation (in)
28.6
Annual Snowfall (in)
186
Flood & disaster risk
Ranked against U.S. ZIP codes.
FEMA Risk Score
90.7
Higher than 86%
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 93621: frequently asked questions
- What is the weather like in ZIP Code 93621?
- ZIP Code 93621 averages 61.9°F year-round, summer highs near 90.4°F, winter lows around 39.1°F (NOAA 1991–2020 normals). It sees about 186 inches of snow a year.
- Is ZIP Code 93621 at risk of flooding or natural disasters?
- ZIP Code 93621's FEMA National Risk Index score is 90.7 (higher than 86% of U.S. ZIP codes). Its greatest modeled natural hazard is wildfire.
Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →