Greater Bridgeport Planning Region, Connecticut · Frost dates
Greater Bridgeport Planning Region frost dates.
First-frost, last-frost, and growing-season length for Greater Bridgeport Planning Region, Connecticut. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 04-17
- 20%
- 04-13
- 50%
- 04-05
- 80%
- 03-30
- 90%
- 03-25
First fall frost
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-06
- 80%
- 11-16
- 90%
- 11-20
28°F — killing freeze
Last spring freeze
- 10%
- 04-06
- 20%
- 04-03
- 50%
- 03-26
- 80%
- 03-16
- 90%
- 03-11
First fall freeze
- 10%
- 11-06
- 20%
- 11-11
- 50%
- 11-19
- 80%
- 12-01
- 90%
- 12-05
Growing season length (days, 28°F threshold)
- Short year
- 214
- Median
- 238
- Long year
- 269
Source NOAA station
BRIDGEPORT SIKORSKY MEM AP, CT US
4.6 mi · 30 yrs of record (1991–2020) · 5 ft elev.
Data from BRIDGEPORT SIKORSKY MEM AP, CT US, 4.6 miles away with 30-year NOAA record (1991-2020).
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