Bristol County, Rhode Island · Frost dates
Bristol County frost dates.
First-frost, last-frost, and growing-season length for Bristol County, Rhode Island. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 04-22
- 20%
- 04-19
- 50%
- 04-11
- 80%
- 04-04
- 90%
- 04-01
First fall frost
- 10%
- 10-20
- 20%
- 10-26
- 50%
- 11-02
- 80%
- 11-11
- 90%
- 11-15
28°F — killing freeze
Last spring freeze
- 10%
- 04-11
- 20%
- 04-07
- 50%
- 03-31
- 80%
- 03-23
- 90%
- 03-19
First fall freeze
- 10%
- 11-02
- 20%
- 11-05
- 50%
- 11-13
- 80%
- 11-23
- 90%
- 11-30
Growing season length (days, 28°F threshold)
- Short year
- 205
- Median
- 227
- Long year
- 256
Source NOAA station
TIVERTON, RI US
6.8 mi · 30 yrs of record (1991–2020) · 90 ft elev.
Data from TIVERTON, RI US, 6.8 miles away with 30-year NOAA record (1991-2020).
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