DeKalb County, Missouri · Frost dates
DeKalb County frost dates.
First-frost, last-frost, and growing-season length for DeKalb County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-04
- 20%
- 04-30
- 50%
- 04-19
- 80%
- 04-09
- 90%
- 04-04
First fall frost
- 10%
- 10-02
- 20%
- 10-09
- 50%
- 10-19
- 80%
- 10-27
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 04-23
- 20%
- 04-18
- 50%
- 04-08
- 80%
- 03-31
- 90%
- 03-24
First fall freeze
- 10%
- 10-15
- 20%
- 10-20
- 50%
- 10-29
- 80%
- 11-05
- 90%
- 11-10
Growing season length (days, 28°F threshold)
- Short year
- 175
- Median
- 204
- Long year
- 231
Source NOAA station
AMITY 4 NE, MO US
2.5 mi · 30 yrs of record (1991–2020) · 974 ft elev.
Data from AMITY 4 NE, MO US, 2.5 miles away with 30-year NOAA record (1991-2020).
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