Washington County, Kansas · Frost dates
Washington County frost dates.
First-frost, last-frost, and growing-season length for Washington County, Kansas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-08
- 20%
- 05-04
- 50%
- 04-24
- 80%
- 04-15
- 90%
- 04-10
First fall frost
- 10%
- 09-29
- 20%
- 10-03
- 50%
- 10-14
- 80%
- 10-22
- 90%
- 10-25
28°F — killing freeze
Last spring freeze
- 10%
- 04-28
- 20%
- 04-24
- 50%
- 04-14
- 80%
- 04-04
- 90%
- 03-31
First fall freeze
- 10%
- 10-09
- 20%
- 10-14
- 50%
- 10-23
- 80%
- 10-31
- 90%
- 11-04
Growing season length (days, 28°F threshold)
- Short year
- 164
- Median
- 192
- Long year
- 218
Source NOAA station
WASHINGTON, KS US
3.1 mi · 30 yrs of record (1991–2020) · 1305 ft elev.
Data from WASHINGTON, KS US, 3.1 miles away with 30-year NOAA record (1991-2020).
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