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 (19912020) · 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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