Boone County, Arkansas · Frost dates

Boone County frost dates.

First-frost, last-frost, and growing-season length for Boone County, Arkansas. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 7b

32°F — light freeze

Last spring frost

10%
04-21
20%
04-14
50%
04-03
80%
03-24
90%
03-17

First fall frost

10%
10-16
20%
10-21
50%
10-30
80%
11-08
90%
11-14

28°F — killing freeze

Last spring freeze

10%
04-09
20%
04-04
50%
03-24
80%
03-11
90%
03-04

First fall freeze

10%
10-27
20%
11-01
50%
11-10
80%
11-24
90%
11-30

Growing season length (days, 28°F threshold)

Short year
201
Median
231
Long year
271

Source NOAA station

HARRISON BOONE CO AP, AR US

5.0 mi · 30 yrs of record (19912020) · 1374 ft elev.

Data from HARRISON BOONE CO AP, AR US, 5 miles away with 30-year NOAA record (1991-2020).

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