Sumner County, Kansas · Frost dates
Sumner County frost dates.
First-frost, last-frost, and growing-season length for Sumner County, Kansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-30
- 20%
- 04-25
- 50%
- 04-15
- 80%
- 04-03
- 90%
- 03-29
First fall frost
- 10%
- 10-14
- 20%
- 10-19
- 50%
- 10-29
- 80%
- 11-05
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 04-20
- 20%
- 04-14
- 50%
- 04-03
- 80%
- 03-21
- 90%
- 03-15
First fall freeze
- 10%
- 10-22
- 20%
- 10-28
- 50%
- 11-05
- 80%
- 11-16
- 90%
- 11-21
Growing season length (days, 28°F threshold)
- Short year
- 185
- Median
- 216
- Long year
- 251
Source NOAA station
WELLINGTON, KS US
4.6 mi · 30 yrs of record (1991–2020) · 1224 ft elev.
Data from WELLINGTON, KS US, 4.6 miles away with 30-year NOAA record (1991-2020).
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