Anoka County, Minnesota · Frost dates
Anoka County frost dates.
First-frost, last-frost, and growing-season length for Anoka County, Minnesota. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-05
- 80%
- 04-27
- 90%
- 04-23
First fall frost
- 10%
- 09-18
- 20%
- 09-23
- 50%
- 10-02
- 80%
- 10-12
- 90%
- 10-16
28°F — killing freeze
Last spring freeze
- 10%
- 05-09
- 20%
- 05-05
- 50%
- 04-25
- 80%
- 04-16
- 90%
- 04-11
First fall freeze
- 10%
- 09-27
- 20%
- 10-03
- 50%
- 10-13
- 80%
- 10-22
- 90%
- 10-27
Growing season length (days, 28°F threshold)
- Short year
- 141
- Median
- 171
- Long year
- 199
Source NOAA station
ANDOVER 1N, MN US
2.8 mi · 30 yrs of record (1991–2020) · 899 ft elev.
Data from ANDOVER 1N, MN US, 2.8 miles away with 30-year NOAA record (1991-2020).
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