Ulster County, New York · Frost dates

Ulster County frost dates.

First-frost, last-frost, and growing-season length for Ulster County, New York. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 5b

32°F — light freeze

Last spring frost

10%
05-23
20%
05-17
50%
05-06
80%
04-28
90%
04-25

First fall frost

10%
09-26
20%
10-01
50%
10-07
80%
10-17
90%
10-24

28°F — killing freeze

Last spring freeze

10%
05-08
20%
05-03
50%
04-26
80%
04-19
90%
04-15

First fall freeze

10%
10-05
20%
10-10
50%
10-21
80%
11-01
90%
11-05

Growing season length (days, 28°F threshold)

Short year
150
Median
178
Long year
204

Source NOAA station

SLIDE MTN, NY US

9.1 mi · 30 yrs of record (19912020) · 2650 ft elev.

Data from SLIDE MTN, NY US, 9.1 miles away with 30-year NOAA record (1991-2020).

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