ZIP code · Croton On Hudson · New York · United States
ZIP code 10521 — Croton On Hudson
ZIP code 10521 serves Croton On Hudson, New York.
- Postal code
- 10521Single source Value from one source, not cross-checked.
- City
- Croton On Hudson
- County
- Westchester
- State
- New York
- Country
- United States
- Coordinates
- 41.2343, -73.9262 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 914Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 10521 with another ZIP · ZIPs within 25 miles · distance from 10521
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 39 | 47 | 60 | 70 | 78 | 83 | 81 | 74 | 63 | 51 | 41 |
| Avg low °F | 17 | 18 | 25 | 36 | 46 | 55 | 61 | 59 | 52 | 41 | 32 | 23 |
| Precip in | 3.7 | 3.1 | 4.1 | 3.9 | 3.9 | 5.0 | 4.3 | 4.3 | 4.8 | 4.6 | 4.2 | 4.4 |
NOAA 1991–2020 climate normals from the nearest station: YORKTOWN HTS 1W (7.0 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page