Adams County, North Dakota · Frost dates
Adams County frost dates.
First-frost, last-frost, and growing-season length for Adams County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 06-10
- 20%
- 06-03
- 50%
- 05-24
- 80%
- 05-15
- 90%
- 05-11
First fall frost
- 10%
- 09-01
- 20%
- 09-06
- 50%
- 09-18
- 80%
- 09-27
- 90%
- 10-01
28°F — killing freeze
Last spring freeze
- 10%
- 05-28
- 20%
- 05-23
- 50%
- 05-13
- 80%
- 05-05
- 90%
- 05-02
First fall freeze
- 10%
- 09-11
- 20%
- 09-18
- 50%
- 09-27
- 80%
- 10-06
- 90%
- 10-11
Growing season length (days, 28°F threshold)
- Short year
- 106
- Median
- 137
- Long year
- 162
Source NOAA station
HETTINGER MUNI AP, ND US
8.2 mi · 30 yrs of record (1991–2020) · 2705 ft elev.
Data from HETTINGER MUNI AP, ND US, 8.2 miles away with 30-year NOAA record (1991-2020).
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