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Chappaqua, NY
Full City Profile · New York · Westchester County County
3.9
/5.0
B+
Good
3,040
Population
3,341/sq mi density
$220,139
Median Income
$118,315 per capita
$740,300
Home Value
$1,400,422 Zillow
$2,500
Median Rent
12.5% income on rent
52°F
Avg Temperature
275 sunny days/yr
181
Violent Crime/100K
1,800 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$220,139 median income, 2.2% unemployment
A+
Affordability
4.8 / 5.0
$740,300 home value, $2,500/mo rent
F
Safety
1.0 / 5.0
181 violent crimes/100K
A+
Education
5.0 / 5.0
81.4% bachelor's degree or higher
Chappaqua experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 47.8 inches. Air quality is rated Good with a median AQI of 36.
Temperature
30°F Jan (-1°C)
74°F Jul (23°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 498 ft (152 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 3,341/sq mi |
| Coordinates | 41.1559°N, 73.7683°W |
| Timezone | America/New_York |
| County | Westchester County County |
| Nearest Airport | Laguardia (LGA) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0418 ppm |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.2 / 100 |
| Social Vulnerability | 47.4 / 100 |
| Community Resilience | 77.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.3 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | LONG ISLAND, NY | Meteorological | 0.3 m | — | 69 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 108 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.7 in | Coldest |
| February | 30°F (-1°C) | 3.1 in | Driest |
| March | 39°F (4°C) | 4.2 in | |
| April | 49°F (9°C) | 4.4 in | |
| May | 59°F (15°C) | 4.5 in | Wettest |
| June | 68°F (20°C) | 3.9 in | |
| July | 74°F (23°C) | 4.1 in | Warmest |
| August | 72°F (22°C) | 4.3 in | |
| September | 64°F (18°C) | 4.3 in | |
| October | 53°F (12°C) | 3.9 in | |
| November | 44°F (7°C) | 4.4 in | |
| December | 34°F (1°C) | 3.9 in |
Chappaqua has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 48.6 inches, with May being the wettest month (4.5") and February the driest (3.1").