Barton County, Missouri · Frost dates
Barton County frost dates.
First-frost, last-frost, and growing-season length for Barton County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-28
- 20%
- 04-22
- 50%
- 04-09
- 80%
- 03-31
- 90%
- 03-26
First fall frost
- 10%
- 10-13
- 20%
- 10-18
- 50%
- 10-27
- 80%
- 11-04
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 04-14
- 20%
- 04-09
- 50%
- 03-31
- 80%
- 03-19
- 90%
- 03-13
First fall freeze
- 10%
- 10-22
- 20%
- 10-28
- 50%
- 11-05
- 80%
- 11-16
- 90%
- 11-23
Growing season length (days, 28°F threshold)
- Short year
- 191
- Median
- 219
- Long year
- 255
Source NOAA station
LAMAR 7N, MO US
7.5 mi · 30 yrs of record (1991–2020) · 963 ft elev.
Data from LAMAR 7N, MO US, 7.5 miles away with 30-year NOAA record (1991-2020).
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