McKenzie County, North Dakota · Frost dates
McKenzie County frost dates.
First-frost, last-frost, and growing-season length for McKenzie County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-22
- 20%
- 05-17
- 50%
- 05-09
- 80%
- 05-02
- 90%
- 04-28
First fall frost
- 10%
- 09-15
- 20%
- 09-20
- 50%
- 09-27
- 80%
- 10-06
- 90%
- 10-11
28°F — killing freeze
Last spring freeze
- 10%
- 05-13
- 20%
- 05-08
- 50%
- 04-30
- 80%
- 04-19
- 90%
- 04-16
First fall freeze
- 10%
- 09-23
- 20%
- 09-27
- 50%
- 10-07
- 80%
- 10-18
- 90%
- 10-22
Growing season length (days, 28°F threshold)
- Short year
- 133
- Median
- 160
- Long year
- 189
Source NOAA station
WATFORD CITY, ND US
6.8 mi · 30 yrs of record (1991–2020) · 2170 ft elev.
Data from WATFORD CITY, ND US, 6.8 miles away with 30-year NOAA record (1991-2020).
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