Herkimer County, New York · Frost dates
Herkimer County frost dates.
First-frost, last-frost, and growing-season length for Herkimer County, New York. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-01
- 20%
- 05-29
- 50%
- 05-18
- 80%
- 05-07
- 90%
- 05-01
First fall frost
- 10%
- 09-18
- 20%
- 09-22
- 50%
- 09-30
- 80%
- 10-08
- 90%
- 10-14
28°F — killing freeze
Last spring freeze
- 10%
- 05-22
- 20%
- 05-16
- 50%
- 05-05
- 80%
- 04-27
- 90%
- 04-23
First fall freeze
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-10
- 80%
- 10-21
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 128
- Median
- 158
- Long year
- 186
Source NOAA station
OLD FORGE, NY US
11.6 mi · 30 yrs of record (1991–2020) · 1748 ft elev.
Data from OLD FORGE, NY US, 11.6 miles away with 30-year NOAA record (1991-2020).
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