Rockland County, New York · Frost dates
Rockland County frost dates.
First-frost, last-frost, and growing-season length for Rockland County, New York. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-08
- 20%
- 05-04
- 50%
- 04-25
- 80%
- 04-17
- 90%
- 04-13
First fall frost
- 10%
- 10-04
- 20%
- 10-08
- 50%
- 10-19
- 80%
- 10-30
- 90%
- 11-03
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-21
- 50%
- 04-13
- 80%
- 04-06
- 90%
- 04-03
First fall freeze
- 10%
- 10-15
- 20%
- 10-21
- 50%
- 11-01
- 80%
- 11-09
- 90%
- 11-14
Growing season length (days, 28°F threshold)
- Short year
- 172
- Median
- 202
- Long year
- 225
Source NOAA station
YORKTOWN HTS 1W, NY US
14.1 mi · 30 yrs of record (1991–2020) · 670 ft elev.
Data from YORKTOWN HTS 1W, NY US, 14.1 miles away with 30-year NOAA record (1991-2020).
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