Tompkins County, New York · Frost dates
Tompkins County frost dates.
First-frost, last-frost, and growing-season length for Tompkins County, New York. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-26
- 20%
- 05-21
- 50%
- 05-11
- 80%
- 04-30
- 90%
- 04-27
First fall frost
- 10%
- 09-21
- 20%
- 09-25
- 50%
- 10-03
- 80%
- 10-15
- 90%
- 10-21
28°F — killing freeze
Last spring freeze
- 10%
- 05-16
- 20%
- 05-10
- 50%
- 04-30
- 80%
- 04-21
- 90%
- 04-17
First fall freeze
- 10%
- 10-01
- 20%
- 10-04
- 50%
- 10-18
- 80%
- 10-31
- 90%
- 11-04
Growing season length (days, 28°F threshold)
- Short year
- 138
- Median
- 171
- Long year
- 201
Source NOAA station
ITHACA CORNELL UNIV, NY US
1.3 mi · 30 yrs of record (1991–2020) · 960 ft elev.
Data from ITHACA CORNELL UNIV, NY US, 1.3 miles away with 30-year NOAA record (1991-2020).
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