Brown County, Indiana · Frost dates

Brown County frost dates.

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

Data confidence: high · USDA zone: 6a

32°F — light freeze

Last spring frost

10%
05-03
20%
04-28
50%
04-15
80%
04-04
90%
03-31

First fall frost

10%
10-11
20%
10-18
50%
10-26
80%
11-02
90%
11-09

28°F — killing freeze

Last spring freeze

10%
04-22
20%
04-14
50%
04-02
80%
03-25
90%
03-19

First fall freeze

10%
10-23
20%
10-28
50%
11-04
80%
11-15
90%
11-21

Growing season length (days, 28°F threshold)

Short year
184
Median
216
Long year
247

Source NOAA station

BLOOMINGTON INDIANA UNIV, IN US

15.7 mi · 30 yrs of record (19912020) · 830 ft elev.

Data from BLOOMINGTON INDIANA UNIV, IN US, 15.7 miles away with 30-year NOAA record (1991-2020).

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