Beltrami County, Minnesota · Frost dates
Beltrami County frost dates.
First-frost, last-frost, and growing-season length for Beltrami County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-30
- 20%
- 05-23
- 50%
- 05-12
- 80%
- 05-02
- 90%
- 04-29
First fall frost
- 10%
- 09-19
- 20%
- 09-25
- 50%
- 10-04
- 80%
- 10-15
- 90%
- 10-19
28°F — killing freeze
Last spring freeze
- 10%
- 05-19
- 20%
- 05-14
- 50%
- 05-02
- 80%
- 04-24
- 90%
- 04-19
First fall freeze
- 10%
- 09-28
- 20%
- 10-02
- 50%
- 10-15
- 80%
- 10-26
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 132
- Median
- 166
- Long year
- 196
Source NOAA station
RED LAKE INDIAN AGCY, MN US
0.6 mi · 30 yrs of record (1991–2020) · 1216 ft elev.
Data from RED LAKE INDIAN AGCY, MN US, 0.6 miles away with 30-year NOAA record (1991-2020).
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