Western Connecticut Planning Region, Connecticut · Frost dates
Western Connecticut Planning Region frost dates.
First-frost, last-frost, and growing-season length for Western 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%
- 05-16
- 20%
- 05-10
- 50%
- 05-01
- 80%
- 04-22
- 90%
- 04-18
First fall frost
- 10%
- 10-01
- 20%
- 10-04
- 50%
- 10-14
- 80%
- 10-24
- 90%
- 10-29
28°F — killing freeze
Last spring freeze
- 10%
- 05-04
- 20%
- 04-28
- 50%
- 04-18
- 80%
- 04-07
- 90%
- 04-03
First fall freeze
- 10%
- 10-11
- 20%
- 10-16
- 50%
- 10-27
- 80%
- 11-04
- 90%
- 11-08
Growing season length (days, 28°F threshold)
- Short year
- 160
- Median
- 192
- Long year
- 219
Source NOAA station
DANBURY MUNI AP, CT US
6.7 mi · 30 yrs of record (1991–2020) · 457 ft elev.
Data from DANBURY MUNI AP, CT US, 6.7 miles away with 30-year NOAA record (1991-2020).
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