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 (1991–2020) · 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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