Ramsey County, North Dakota · Frost dates
Ramsey County frost dates.
First-frost, last-frost, and growing-season length for Ramsey County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-19
- 20%
- 05-15
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-23
First fall frost
- 10%
- 09-26
- 20%
- 09-29
- 50%
- 10-05
- 80%
- 10-14
- 90%
- 10-18
28°F — killing freeze
Last spring freeze
- 10%
- 05-10
- 20%
- 05-06
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-13
First fall freeze
- 10%
- 10-03
- 20%
- 10-06
- 50%
- 10-14
- 80%
- 10-22
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 146
- Median
- 170
- Long year
- 196
Source NOAA station
DEVILS LAKE KDLR, ND US
12.5 mi · 30 yrs of record (1991–2020) · 1464 ft elev.
Data from DEVILS LAKE KDLR, ND US, 12.5 miles away with 30-year NOAA record (1991-2020).
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