Chisago County, Minnesota · Frost dates
Chisago County frost dates.
First-frost, last-frost, and growing-season length for Chisago County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 06-03
- 20%
- 05-29
- 50%
- 05-19
- 80%
- 05-07
- 90%
- 05-02
First fall frost
- 10%
- 09-10
- 20%
- 09-15
- 50%
- 09-25
- 80%
- 10-04
- 90%
- 10-08
28°F — killing freeze
Last spring freeze
- 10%
- 05-22
- 20%
- 05-18
- 50%
- 05-06
- 80%
- 04-27
- 90%
- 04-23
First fall freeze
- 10%
- 09-18
- 20%
- 09-24
- 50%
- 10-04
- 80%
- 10-14
- 90%
- 10-19
Growing season length (days, 28°F threshold)
- Short year
- 119
- Median
- 151
- Long year
- 179
Source NOAA station
WILD RVR SP, MN US
7.6 mi · 30 yrs of record (1991–2020) · 840 ft elev.
Data from WILD RVR SP, MN US, 7.6 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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