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 (19912020) · 1224 ft elev.

Data from WELLINGTON, KS US, 4.6 miles away with 30-year NOAA record (1991-2020).

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