Ward County, North Dakota · Frost dates

Ward County frost dates.

First-frost, last-frost, and growing-season length for Ward County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 4a

32°F — light freeze

Last spring frost

10%
05-26
20%
05-21
50%
05-13
80%
05-04
90%
05-01

First fall frost

10%
09-14
20%
09-19
50%
09-27
80%
10-05
90%
10-09

28°F — killing freeze

Last spring freeze

10%
05-16
20%
05-12
50%
05-03
80%
04-23
90%
04-18

First fall freeze

10%
09-22
20%
09-26
50%
10-05
80%
10-14
90%
10-18

Growing season length (days, 28°F threshold)

Short year
129
Median
155
Long year
183

Source NOAA station

MINOT EXP STN, ND US

11.5 mi · 30 yrs of record (19912020) · 1769 ft elev.

Data from MINOT EXP STN, ND US, 11.5 miles away with 30-year NOAA record (1991-2020).

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