Jay County, Indiana · Frost dates

Jay County frost dates.

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

Data confidence: high · USDA zone: 6a

32°F — light freeze

Last spring frost

10%
05-14
20%
05-08
50%
04-28
80%
04-18
90%
04-13

First fall frost

10%
10-01
20%
10-06
50%
10-15
80%
10-25
90%
10-30

28°F — killing freeze

Last spring freeze

10%
05-02
20%
04-27
50%
04-15
80%
04-05
90%
04-01

First fall freeze

10%
10-11
20%
10-17
50%
10-28
80%
11-04
90%
11-10

Growing season length (days, 28°F threshold)

Short year
162
Median
196
Long year
223

Source NOAA station

PORTLAND 1 SW, IN US

1.3 mi · 30 yrs of record (19912020) · 910 ft elev.

Data from PORTLAND 1 SW, IN US, 1.3 miles away with 30-year NOAA record (1991-2020).

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