Union County, Indiana · Frost dates
Union County frost dates.
First-frost, last-frost, and growing-season length for Union County, Indiana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-07
- 20%
- 05-01
- 50%
- 04-20
- 80%
- 04-10
- 90%
- 04-06
First fall frost
- 10%
- 10-06
- 20%
- 10-11
- 50%
- 10-21
- 80%
- 10-30
- 90%
- 11-03
28°F — killing freeze
Last spring freeze
- 10%
- 04-22
- 20%
- 04-17
- 50%
- 04-06
- 80%
- 03-30
- 90%
- 03-23
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 10-31
- 80%
- 11-09
- 90%
- 11-15
Growing season length (days, 28°F threshold)
- Short year
- 178
- Median
- 208
- Long year
- 237
Source NOAA station
BROOKVILLE, IN US
14.6 mi · 30 yrs of record (1991–2020) · 630 ft elev.
Data from BROOKVILLE, IN US, 14.6 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.