Adair County, Missouri · Frost dates
Adair County frost dates.
First-frost, last-frost, and growing-season length for Adair County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-05
- 20%
- 05-01
- 50%
- 04-21
- 80%
- 04-12
- 90%
- 04-07
First fall frost
- 10%
- 10-02
- 20%
- 10-09
- 50%
- 10-19
- 80%
- 10-27
- 90%
- 10-31
28°F — killing freeze
Last spring freeze
- 10%
- 04-27
- 20%
- 04-21
- 50%
- 04-10
- 80%
- 03-31
- 90%
- 03-25
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
- 171
- Median
- 202
- Long year
- 230
Source NOAA station
KIRKSVILLE, MO US
1.8 mi · 30 yrs of record (1991–2020) · 970 ft elev.
Data from KIRKSVILLE, MO US, 1.8 miles away with 30-year NOAA record (1991-2020).
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