Kossuth County, Iowa · Frost dates
Kossuth County frost dates.
First-frost, last-frost, and growing-season length for Kossuth County, Iowa. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-07
- 50%
- 04-30
- 80%
- 04-21
- 90%
- 04-16
First fall frost
- 10%
- 09-23
- 20%
- 09-28
- 50%
- 10-06
- 80%
- 10-16
- 90%
- 10-20
28°F — killing freeze
Last spring freeze
- 10%
- 05-02
- 20%
- 04-29
- 50%
- 04-20
- 80%
- 04-09
- 90%
- 04-04
First fall freeze
- 10%
- 10-02
- 20%
- 10-08
- 50%
- 10-18
- 80%
- 10-27
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 153
- Median
- 181
- Long year
- 211
Source NOAA station
ALGONA, IA US
10.1 mi · 30 yrs of record (1991–2020) · 1214 ft elev.
Data from ALGONA, IA US, 10.1 miles away with 30-year NOAA record (1991-2020).
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