Cassia County, Idaho · Frost dates
Cassia County frost dates.
First-frost, last-frost, and growing-season length for Cassia County, Idaho. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 06-23
- 20%
- 06-16
- 50%
- 06-05
- 80%
- 05-25
- 90%
- 05-19
First fall frost
- 10%
- 08-28
- 20%
- 09-02
- 50%
- 09-13
- 80%
- 09-23
- 90%
- 09-28
28°F — killing freeze
Last spring freeze
- 10%
- 06-04
- 20%
- 05-30
- 50%
- 05-17
- 80%
- 05-05
- 90%
- 04-30
First fall freeze
- 10%
- 09-08
- 20%
- 09-15
- 50%
- 09-26
- 80%
- 10-06
- 90%
- 10-13
Growing season length (days, 28°F threshold)
- Short year
- 96
- Median
- 132
- Long year
- 166
Source NOAA station
MALTA, ID US
13.3 mi · 30 yrs of record (1991–2020) · 4521 ft elev.
Data from MALTA, ID US, 13.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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