Newport County, Rhode Island · Frost dates
Newport County frost dates.
First-frost, last-frost, and growing-season length for Newport County, Rhode Island. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 04-24
- 20%
- 04-19
- 50%
- 04-11
- 80%
- 04-03
- 90%
- 03-31
First fall frost
- 10%
- 10-22
- 20%
- 10-27
- 50%
- 11-04
- 80%
- 11-12
- 90%
- 11-17
28°F — killing freeze
Last spring freeze
- 10%
- 04-10
- 20%
- 04-06
- 50%
- 03-31
- 80%
- 03-22
- 90%
- 03-17
First fall freeze
- 10%
- 11-02
- 20%
- 11-06
- 50%
- 11-16
- 80%
- 11-28
- 90%
- 12-02
Growing season length (days, 28°F threshold)
- Short year
- 206
- Median
- 230
- Long year
- 260
Source NOAA station
NEWPORT STATE AP, RI US
2.2 mi · 30 yrs of record (1991–2020) · 172 ft elev.
Data from NEWPORT STATE AP, RI US, 2.2 miles away with 30-year NOAA record (1991-2020).
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