Houston County, Minnesota · Frost dates
Houston County frost dates.
First-frost, last-frost, and growing-season length for Houston County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-07
- 50%
- 04-29
- 80%
- 04-19
- 90%
- 04-14
First fall frost
- 10%
- 09-28
- 20%
- 10-01
- 50%
- 10-10
- 80%
- 10-20
- 90%
- 10-24
28°F — killing freeze
Last spring freeze
- 10%
- 05-02
- 20%
- 04-29
- 50%
- 04-18
- 80%
- 04-08
- 90%
- 04-04
First fall freeze
- 10%
- 10-09
- 20%
- 10-13
- 50%
- 10-23
- 80%
- 10-31
- 90%
- 11-04
Growing season length (days, 28°F threshold)
- Short year
- 160
- Median
- 188
- Long year
- 214
Source NOAA station
CALEDONIA, MN US
2.5 mi · 30 yrs of record (1991–2020) · 1166 ft elev.
Data from CALEDONIA, MN US, 2.5 miles away with 30-year NOAA record (1991-2020).
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