Morton County, Kansas · Frost dates
Morton County frost dates.
First-frost, last-frost, and growing-season length for Morton County, Kansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-09
- 20%
- 05-05
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-11
First fall frost
- 10%
- 10-05
- 20%
- 10-09
- 50%
- 10-19
- 80%
- 10-26
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 05-01
- 20%
- 04-27
- 50%
- 04-16
- 80%
- 04-06
- 90%
- 04-01
First fall freeze
- 10%
- 10-15
- 20%
- 10-19
- 50%
- 10-26
- 80%
- 11-03
- 90%
- 11-08
Growing season length (days, 28°F threshold)
- Short year
- 167
- Median
- 193
- Long year
- 221
Source NOAA station
RICHFIELD, KS US
5.5 mi · 30 yrs of record (1991–2020) · 3408 ft elev.
Data from RICHFIELD, KS US, 5.5 miles away with 30-year NOAA record (1991-2020).
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