Dukes County, Massachusetts · Frost dates
Dukes County frost dates.
First-frost, last-frost, and growing-season length for Dukes County, Massachusetts. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-27
- 20%
- 05-20
- 50%
- 05-07
- 80%
- 04-26
- 90%
- 04-22
First fall frost
- 10%
- 09-23
- 20%
- 09-29
- 50%
- 10-09
- 80%
- 10-22
- 90%
- 10-31
28°F — killing freeze
Last spring freeze
- 10%
- 05-13
- 20%
- 05-05
- 50%
- 04-26
- 80%
- 04-16
- 90%
- 04-09
First fall freeze
- 10%
- 10-06
- 20%
- 10-13
- 50%
- 10-25
- 80%
- 11-05
- 90%
- 11-11
Growing season length (days, 28°F threshold)
- Short year
- 146
- Median
- 182
- Long year
- 216
Source NOAA station
VINEYARD HAVEN AP, MA US
4.6 mi · 30 yrs of record (1991–2020) · 68 ft elev.
Data from VINEYARD HAVEN AP, MA US, 4.6 miles away with 30-year NOAA record (1991-2020).
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