Addison County, Vermont · Frost dates
Addison County frost dates.
First-frost, last-frost, and growing-season length for Addison County, Vermont. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-15
- 50%
- 05-05
- 80%
- 04-28
- 90%
- 04-23
First fall frost
- 10%
- 09-21
- 20%
- 09-25
- 50%
- 10-03
- 80%
- 10-13
- 90%
- 10-19
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-03
- 50%
- 04-26
- 80%
- 04-17
- 90%
- 04-12
First fall freeze
- 10%
- 10-01
- 20%
- 10-05
- 50%
- 10-16
- 80%
- 10-28
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 146
- Median
- 173
- Long year
- 203
Source NOAA station
CORNWALL, VT US
6.2 mi · 30 yrs of record (1991–2020) · 345 ft elev.
Data from CORNWALL, VT US, 6.2 miles away with 30-year NOAA record (1991-2020).
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