Butte County, Idaho · Frost dates
Butte County frost dates.
First-frost, last-frost, and growing-season length for Butte County, Idaho. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-09
- 20%
- 06-03
- 50%
- 05-22
- 80%
- 05-11
- 90%
- 05-05
First fall frost
- 10%
- 09-04
- 20%
- 09-09
- 50%
- 09-22
- 80%
- 10-03
- 90%
- 10-07
28°F — killing freeze
Last spring freeze
- 10%
- 05-24
- 20%
- 05-18
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-20
First fall freeze
- 10%
- 09-16
- 20%
- 09-22
- 50%
- 10-03
- 80%
- 10-15
- 90%
- 10-19
Growing season length (days, 28°F threshold)
- Short year
- 115
- Median
- 150
- Long year
- 182
Source NOAA station
ARCO, ID US
7.0 mi · 30 yrs of record (1991–2020) · 5325 ft elev.
Data from ARCO, ID US, 7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.