Westchester County, New York · Frost dates
Westchester County frost dates.
First-frost, last-frost, and growing-season length for Westchester County, New York. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 04-27
- 20%
- 04-21
- 50%
- 04-12
- 80%
- 04-05
- 90%
- 04-01
First fall frost
- 10%
- 10-15
- 20%
- 10-21
- 50%
- 10-31
- 80%
- 11-09
- 90%
- 11-14
28°F — killing freeze
Last spring freeze
- 10%
- 04-13
- 20%
- 04-08
- 50%
- 04-01
- 80%
- 03-24
- 90%
- 03-18
First fall freeze
- 10%
- 10-29
- 20%
- 11-03
- 50%
- 11-13
- 80%
- 11-22
- 90%
- 11-29
Growing season length (days, 28°F threshold)
- Short year
- 199
- Median
- 226
- Long year
- 256
Source NOAA station
WESTCHESTER CO AP, NY US
6.3 mi · 30 yrs of record (1991–2020) · 379 ft elev.
Data from WESTCHESTER CO AP, NY US, 6.3 miles away with 30-year NOAA record (1991-2020).
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