Grant County, North Dakota · Frost dates
Grant County frost dates.
First-frost, last-frost, and growing-season length for Grant County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 06-01
- 20%
- 05-28
- 50%
- 05-19
- 80%
- 05-11
- 90%
- 05-07
First fall frost
- 10%
- 09-11
- 20%
- 09-17
- 50%
- 09-25
- 80%
- 10-03
- 90%
- 10-08
28°F — killing freeze
Last spring freeze
- 10%
- 05-25
- 20%
- 05-20
- 50%
- 05-11
- 80%
- 05-03
- 90%
- 04-29
First fall freeze
- 10%
- 09-20
- 20%
- 09-24
- 50%
- 10-02
- 80%
- 10-12
- 90%
- 10-16
Growing season length (days, 28°F threshold)
- Short year
- 118
- Median
- 144
- Long year
- 170
Source NOAA station
CARSON, ND US
5.6 mi · 30 yrs of record (1991–2020) · 2335 ft elev.
Data from CARSON, ND US, 5.6 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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