Rolette County, North Dakota · Frost dates
Rolette County frost dates.
First-frost, last-frost, and growing-season length for Rolette County, North Dakota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 06-01
- 20%
- 05-28
- 50%
- 05-19
- 80%
- 05-10
- 90%
- 05-05
First fall frost
- 10%
- 09-10
- 20%
- 09-14
- 50%
- 09-24
- 80%
- 10-01
- 90%
- 10-05
28°F — killing freeze
Last spring freeze
- 10%
- 05-24
- 20%
- 05-19
- 50%
- 05-09
- 80%
- 05-01
- 90%
- 04-28
First fall freeze
- 10%
- 09-18
- 20%
- 09-24
- 50%
- 10-02
- 80%
- 10-11
- 90%
- 10-16
Growing season length (days, 28°F threshold)
- Short year
- 117
- Median
- 146
- Long year
- 171
Source NOAA station
BELCOURT KEYA RADIO, ND US
6.5 mi · 30 yrs of record (1991–2020) · 1960 ft elev.
Data from BELCOURT KEYA RADIO, ND US, 6.5 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.