Atchison County, Kansas · Frost dates
Atchison County frost dates.
First-frost, last-frost, and growing-season length for Atchison County, Kansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-23
- 20%
- 04-19
- 50%
- 04-11
- 80%
- 04-02
- 90%
- 03-29
First fall frost
- 10%
- 10-15
- 20%
- 10-20
- 50%
- 10-29
- 80%
- 11-05
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 04-14
- 20%
- 04-10
- 50%
- 04-01
- 80%
- 03-22
- 90%
- 03-15
First fall freeze
- 10%
- 10-22
- 20%
- 10-28
- 50%
- 11-05
- 80%
- 11-14
- 90%
- 11-21
Growing season length (days, 28°F threshold)
- Short year
- 191
- Median
- 218
- Long year
- 251
Source NOAA station
ATCHISON, KS US
11.2 mi · 30 yrs of record (1991–2020) · 945 ft elev.
Data from ATCHISON, KS US, 11.2 miles away with 30-year NOAA record (1991-2020).
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