Fillmore County, Minnesota · Frost dates
Fillmore County frost dates.
First-frost, last-frost, and growing-season length for Fillmore County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-27
- 20%
- 05-23
- 50%
- 05-14
- 80%
- 05-05
- 90%
- 05-01
First fall frost
- 10%
- 09-15
- 20%
- 09-19
- 50%
- 09-28
- 80%
- 10-05
- 90%
- 10-09
28°F — killing freeze
Last spring freeze
- 10%
- 05-18
- 20%
- 05-13
- 50%
- 05-04
- 80%
- 04-26
- 90%
- 04-21
First fall freeze
- 10%
- 09-24
- 20%
- 09-28
- 50%
- 10-05
- 80%
- 10-14
- 90%
- 10-18
Growing season length (days, 28°F threshold)
- Short year
- 129
- Median
- 154
- Long year
- 180
Source NOAA station
PRESTON, MN US
1.1 mi · 30 yrs of record (1991–2020) · 930 ft elev.
Data from PRESTON, MN US, 1.1 miles away with 30-year NOAA record (1991-2020).
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