Northeastern Connecticut Planning Region, Connecticut · Frost dates
Northeastern Connecticut Planning Region frost dates.
First-frost, last-frost, and growing-season length for Northeastern Connecticut Planning Region, Connecticut. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-07
- 50%
- 04-30
- 80%
- 04-21
- 90%
- 04-18
First fall frost
- 10%
- 10-01
- 20%
- 10-05
- 50%
- 10-15
- 80%
- 10-25
- 90%
- 10-29
28°F — killing freeze
Last spring freeze
- 10%
- 04-30
- 20%
- 04-25
- 50%
- 04-16
- 80%
- 04-08
- 90%
- 04-04
First fall freeze
- 10%
- 10-13
- 20%
- 10-17
- 50%
- 10-28
- 80%
- 11-04
- 90%
- 11-09
Growing season length (days, 28°F threshold)
- Short year
- 166
- Median
- 195
- Long year
- 219
Source NOAA station
HAMPTON, CT US
6.6 mi · 30 yrs of record (1991–2020) · 490 ft elev.
Data from HAMPTON, CT US, 6.6 miles away with 30-year NOAA record (1991-2020).
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