Hamilton County, Indiana · Frost dates
Hamilton County frost dates.
First-frost, last-frost, and growing-season length for Hamilton County, Indiana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-08
- 20%
- 05-02
- 50%
- 04-21
- 80%
- 04-11
- 90%
- 04-05
First fall frost
- 10%
- 10-06
- 20%
- 10-12
- 50%
- 10-21
- 80%
- 10-30
- 90%
- 11-02
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-19
- 50%
- 04-08
- 80%
- 03-31
- 90%
- 03-25
First fall freeze
- 10%
- 10-18
- 20%
- 10-23
- 50%
- 11-01
- 80%
- 11-09
- 90%
- 11-17
Growing season length (days, 28°F threshold)
- Short year
- 175
- Median
- 207
- Long year
- 237
Source NOAA station
CARMEL 3 E, IN US
6.6 mi · 30 yrs of record (1991–2020) · 752 ft elev.
Data from CARMEL 3 E, IN US, 6.6 miles away with 30-year NOAA record (1991-2020).
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