Johnson County, Missouri · Frost dates
Johnson County frost dates.
First-frost, last-frost, and growing-season length for Johnson 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%
- 04-28
- 50%
- 04-14
- 80%
- 04-03
- 90%
- 03-31
First fall frost
- 10%
- 10-06
- 20%
- 10-13
- 50%
- 10-21
- 80%
- 10-30
- 90%
- 11-03
28°F — killing freeze
Last spring freeze
- 10%
- 04-23
- 20%
- 04-15
- 50%
- 04-03
- 80%
- 03-24
- 90%
- 03-18
First fall freeze
- 10%
- 10-17
- 20%
- 10-21
- 50%
- 10-31
- 80%
- 11-08
- 90%
- 11-14
Growing season length (days, 28°F threshold)
- Short year
- 177
- Median
- 211
- Long year
- 241
Source NOAA station
WARRENSBURG 4NW, MO US
3.0 mi · 30 yrs of record (1991–2020) · 796 ft elev.
Data from WARRENSBURG 4NW, MO US, 3 miles away with 30-year NOAA record (1991-2020).
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