Berkshire County, Massachusetts · Frost dates
Berkshire County frost dates.
First-frost, last-frost, and growing-season length for Berkshire County, Massachusetts. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-17
- 50%
- 05-07
- 80%
- 04-30
- 90%
- 04-26
First fall frost
- 10%
- 09-21
- 20%
- 09-25
- 50%
- 10-03
- 80%
- 10-14
- 90%
- 10-18
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-06
- 50%
- 04-27
- 80%
- 04-18
- 90%
- 04-13
First fall freeze
- 10%
- 10-01
- 20%
- 10-04
- 50%
- 10-15
- 80%
- 10-28
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 143
- Median
- 171
- Long year
- 202
Source NOAA station
LENOX DALE, MA US
3.0 mi · 30 yrs of record (1991–2020) · 1004 ft elev.
Data from LENOX DALE, MA US, 3 miles away with 30-year NOAA record (1991-2020).
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