Harper County, Kansas · Frost dates
Harper County frost dates.
First-frost, last-frost, and growing-season length for Harper 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%
- 04-09
- 80%
- 03-31
- 90%
- 03-26
First fall frost
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 10-30
- 80%
- 11-08
- 90%
- 11-12
28°F — killing freeze
Last spring freeze
- 10%
- 04-15
- 20%
- 04-10
- 50%
- 03-31
- 80%
- 03-17
- 90%
- 03-11
First fall freeze
- 10%
- 10-25
- 20%
- 10-29
- 50%
- 11-07
- 80%
- 11-18
- 90%
- 11-23
Growing season length (days, 28°F threshold)
- Short year
- 193
- Median
- 221
- Long year
- 257
Source NOAA station
ANTHONY, KS US
3.1 mi · 30 yrs of record (1991–2020) · 1340 ft elev.
Data from ANTHONY, KS US, 3.1 miles away with 30-year NOAA record (1991-2020).
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