Allen County, Kansas · Frost dates
Allen County frost dates.
First-frost, last-frost, and growing-season length for Allen County, Kansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-24
- 20%
- 04-19
- 50%
- 04-08
- 80%
- 03-31
- 90%
- 03-25
First fall frost
- 10%
- 10-13
- 20%
- 10-17
- 50%
- 10-26
- 80%
- 11-03
- 90%
- 11-07
28°F — killing freeze
Last spring freeze
- 10%
- 04-11
- 20%
- 04-06
- 50%
- 03-30
- 80%
- 03-18
- 90%
- 03-12
First fall freeze
- 10%
- 10-22
- 20%
- 10-27
- 50%
- 11-04
- 80%
- 11-14
- 90%
- 11-19
Growing season length (days, 28°F threshold)
- Short year
- 194
- Median
- 219
- Long year
- 252
Source NOAA station
IOLA 1 W, KS US
7.2 mi · 30 yrs of record (1991–2020) · 954 ft elev.
Data from IOLA 1 W, KS US, 7.2 miles away with 30-year NOAA record (1991-2020).
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