Cass County, Missouri · Frost dates
Cass County frost dates.
First-frost, last-frost, and growing-season length for Cass County, Missouri. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-23
- 20%
- 04-18
- 50%
- 04-08
- 80%
- 03-31
- 90%
- 03-24
First fall frost
- 10%
- 10-16
- 20%
- 10-20
- 50%
- 10-29
- 80%
- 11-06
- 90%
- 11-12
28°F — killing freeze
Last spring freeze
- 10%
- 04-12
- 20%
- 04-08
- 50%
- 03-29
- 80%
- 03-17
- 90%
- 03-09
First fall freeze
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-07
- 80%
- 11-18
- 90%
- 11-24
Growing season length (days, 28°F threshold)
- Short year
- 196
- Median
- 223
- Long year
- 260
Source NOAA station
PLEASANT HILL WFO, MO US
12.3 mi · 30 yrs of record (1991–2020) · 1000 ft elev.
Data from PLEASANT HILL WFO, MO US, 12.3 miles away with 30-year NOAA record (1991-2020).
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