Bear Lake County, Idaho · Frost dates
Bear Lake County frost dates.
First-frost, last-frost, and growing-season length for Bear Lake County, Idaho. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 07-04
- 20%
- 06-30
- 50%
- 06-17
- 80%
- 06-05
- 90%
- 05-31
First fall frost
- 10%
- 08-18
- 20%
- 08-24
- 50%
- 09-03
- 80%
- 09-13
- 90%
- 09-18
28°F — killing freeze
Last spring freeze
- 10%
- 06-17
- 20%
- 06-09
- 50%
- 05-25
- 80%
- 05-14
- 90%
- 05-09
First fall freeze
- 10%
- 09-01
- 20%
- 09-05
- 50%
- 09-16
- 80%
- 09-27
- 90%
- 10-01
Growing season length (days, 28°F threshold)
- Short year
- 76
- Median
- 114
- Long year
- 145
Source NOAA station
BERN, ID US
4.5 mi · 30 yrs of record (1991–2020) · 5964 ft elev.
Data from BERN, ID US, 4.5 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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