Adams County, Idaho · Frost dates
Adams County frost dates.
First-frost, last-frost, and growing-season length for Adams County, Idaho. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-01
- 20%
- 05-23
- 50%
- 05-10
- 80%
- 04-29
- 90%
- 04-25
First fall frost
- 10%
- 09-16
- 20%
- 09-24
- 50%
- 10-02
- 80%
- 10-13
- 90%
- 10-18
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-02
- 50%
- 04-22
- 80%
- 04-10
- 90%
- 04-04
First fall freeze
- 10%
- 10-01
- 20%
- 10-05
- 50%
- 10-16
- 80%
- 10-25
- 90%
- 10-30
Growing season length (days, 28°F threshold)
- Short year
- 146
- Median
- 177
- Long year
- 209
Source NOAA station
COUNCIL, ID US
9.3 mi · 30 yrs of record (1991–2020) · 2943 ft elev.
Data from COUNCIL, ID US, 9.3 miles away with 30-year NOAA record (1991-2020).
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