Box Elder County, Utah · Frost dates
Box Elder County frost dates.
First-frost, last-frost, and growing-season length for Box Elder County, Utah. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 06-11
- 20%
- 06-04
- 50%
- 05-21
- 80%
- 05-08
- 90%
- 05-02
First fall frost
- 10%
- 09-17
- 20%
- 09-23
- 50%
- 10-02
- 80%
- 10-12
- 90%
- 10-17
28°F — killing freeze
Last spring freeze
- 10%
- 05-25
- 20%
- 05-17
- 50%
- 05-03
- 80%
- 04-22
- 90%
- 04-16
First fall freeze
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-12
- 80%
- 10-23
- 90%
- 10-27
Growing season length (days, 28°F threshold)
- Short year
- 125
- Median
- 162
- Long year
- 194
Source NOAA station
ROSETTE, UT US
22.7 mi · 30 yrs of record (1991–2020) · 5685 ft elev.
Data from ROSETTE, UT US, 22.7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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