Chittenden County, Vermont · Frost dates
Chittenden County frost dates.
First-frost, last-frost, and growing-season length for Chittenden County, Vermont. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-17
- 20%
- 05-12
- 50%
- 05-02
- 80%
- 04-25
- 90%
- 04-21
First fall frost
- 10%
- 09-30
- 20%
- 10-03
- 50%
- 10-11
- 80%
- 10-21
- 90%
- 10-26
28°F — killing freeze
Last spring freeze
- 10%
- 05-05
- 20%
- 04-30
- 50%
- 04-23
- 80%
- 04-14
- 90%
- 04-09
First fall freeze
- 10%
- 10-08
- 20%
- 10-14
- 50%
- 10-24
- 80%
- 11-02
- 90%
- 11-07
Growing season length (days, 28°F threshold)
- Short year
- 156
- Median
- 184
- Long year
- 212
Source NOAA station
ESSEX JUNCTION 1 N, VT US
3.8 mi · 30 yrs of record (1991–2020) · 340 ft elev.
Data from ESSEX JUNCTION 1 N, VT US, 3.8 miles away with 30-year NOAA record (1991-2020).
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