Washington County, Vermont · Frost dates
Washington County frost dates.
First-frost, last-frost, and growing-season length for Washington County, Vermont. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-05
- 80%
- 04-27
- 90%
- 04-23
First fall frost
- 10%
- 09-28
- 20%
- 10-01
- 50%
- 10-09
- 80%
- 10-19
- 90%
- 10-24
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-04
- 50%
- 04-24
- 80%
- 04-16
- 90%
- 04-12
First fall freeze
- 10%
- 10-06
- 20%
- 10-10
- 50%
- 10-21
- 80%
- 11-01
- 90%
- 11-06
Growing season length (days, 28°F threshold)
- Short year
- 151
- Median
- 180
- Long year
- 208
Source NOAA station
MONTPELIER 2, VT US
1.4 mi · 30 yrs of record (1991–2020) · 530 ft elev.
Data from MONTPELIER 2, VT US, 1.4 miles away with 30-year NOAA record (1991-2020).
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