Bannock County, Idaho · Frost dates
Bannock County frost dates.
First-frost, last-frost, and growing-season length for Bannock County, Idaho. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-10
- 20%
- 06-05
- 50%
- 05-23
- 80%
- 05-11
- 90%
- 05-06
First fall frost
- 10%
- 09-07
- 20%
- 09-13
- 50%
- 09-24
- 80%
- 10-02
- 90%
- 10-07
28°F — killing freeze
Last spring freeze
- 10%
- 05-21
- 20%
- 05-14
- 50%
- 05-04
- 80%
- 04-26
- 90%
- 04-20
First fall freeze
- 10%
- 09-20
- 20%
- 09-26
- 50%
- 10-04
- 80%
- 10-15
- 90%
- 10-19
Growing season length (days, 28°F threshold)
- Short year
- 122
- Median
- 153
- Long year
- 182
Source NOAA station
MCCAMMON, ID US
3.3 mi · 30 yrs of record (1991–2020) · 4770 ft elev.
Data from MCCAMMON, ID US, 3.3 miles away with 30-year NOAA record (1991-2020).
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