Nantucket County, Massachusetts · Frost dates
Nantucket County frost dates.
First-frost, last-frost, and growing-season length for Nantucket County, Massachusetts. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-27
- 20%
- 04-22
- 50%
- 04-13
- 80%
- 04-05
- 90%
- 04-02
First fall frost
- 10%
- 10-25
- 20%
- 10-31
- 50%
- 11-08
- 80%
- 11-18
- 90%
- 11-23
28°F — killing freeze
Last spring freeze
- 10%
- 04-12
- 20%
- 04-07
- 50%
- 03-31
- 80%
- 03-22
- 90%
- 03-17
First fall freeze
- 10%
- 11-05
- 20%
- 11-11
- 50%
- 11-23
- 80%
- 12-01
- 90%
- 12-06
Growing season length (days, 28°F threshold)
- Short year
- 207
- Median
- 237
- Long year
- 264
Source NOAA station
NANTUCKET MEM AP, MA US
3.5 mi · 30 yrs of record (1991–2020) · 45 ft elev.
Data from NANTUCKET MEM AP, MA US, 3.5 miles away with 30-year NOAA record (1991-2020).
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