Sargent County, North Dakota · Frost dates
Sargent County frost dates.
First-frost, last-frost, and growing-season length for Sargent County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-16
- 50%
- 05-07
- 80%
- 04-29
- 90%
- 04-24
First fall frost
- 10%
- 09-18
- 20%
- 09-23
- 50%
- 10-01
- 80%
- 10-09
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-12
- 20%
- 05-07
- 50%
- 04-29
- 80%
- 04-19
- 90%
- 04-15
First fall freeze
- 10%
- 09-27
- 20%
- 10-01
- 50%
- 10-09
- 80%
- 10-19
- 90%
- 10-23
Growing season length (days, 28°F threshold)
- Short year
- 138
- Median
- 163
- Long year
- 191
Source NOAA station
FORMAN 5 SSE, ND US
5.4 mi · 30 yrs of record (1991–2020) · 1250 ft elev.
Data from FORMAN 5 SSE, ND US, 5.4 miles away with 30-year NOAA record (1991-2020).
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