Pine County, Minnesota · Frost dates
Pine County frost dates.
First-frost, last-frost, and growing-season length for Pine County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-28
- 20%
- 05-22
- 50%
- 05-13
- 80%
- 05-02
- 90%
- 04-29
First fall frost
- 10%
- 09-15
- 20%
- 09-19
- 50%
- 09-29
- 80%
- 10-07
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-15
- 20%
- 05-10
- 50%
- 04-30
- 80%
- 04-21
- 90%
- 04-16
First fall freeze
- 10%
- 09-24
- 20%
- 09-29
- 50%
- 10-10
- 80%
- 10-21
- 90%
- 10-26
Growing season length (days, 28°F threshold)
- Short year
- 132
- Median
- 163
- Long year
- 193
Source NOAA station
SANDSTONE 6 W, MN US
11.1 mi · 30 yrs of record (1991–2020) · 1130 ft elev.
Data from SANDSTONE 6 W, MN US, 11.1 miles away with 30-year NOAA record (1991-2020).
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