Oliver County, North Dakota · Frost dates
Oliver County frost dates.
First-frost, last-frost, and growing-season length for Oliver 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%
- 05-11
- 80%
- 05-02
- 90%
- 04-28
First fall frost
- 10%
- 09-15
- 20%
- 09-20
- 50%
- 09-29
- 80%
- 10-08
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-16
- 20%
- 05-11
- 50%
- 05-01
- 80%
- 04-20
- 90%
- 04-14
First fall freeze
- 10%
- 09-23
- 20%
- 09-28
- 50%
- 10-07
- 80%
- 10-17
- 90%
- 10-21
Growing season length (days, 28°F threshold)
- Short year
- 130
- Median
- 159
- Long year
- 190
Source NOAA station
CENTER 4SE, ND US
6.7 mi · 30 yrs of record (1991–2020) · 1990 ft elev.
Data from CENTER 4SE, ND US, 6.7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.