Kankakee County, Illinois · Frost dates
Kankakee County frost dates.
First-frost, last-frost, and growing-season length for Kankakee County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-03
- 20%
- 04-28
- 50%
- 04-19
- 80%
- 04-10
- 90%
- 04-05
First fall frost
- 10%
- 10-12
- 20%
- 10-17
- 50%
- 10-24
- 80%
- 11-01
- 90%
- 11-05
28°F — killing freeze
Last spring freeze
- 10%
- 04-22
- 20%
- 04-17
- 50%
- 04-06
- 80%
- 03-28
- 90%
- 03-21
First fall freeze
- 10%
- 10-23
- 20%
- 10-27
- 50%
- 11-04
- 80%
- 11-14
- 90%
- 11-19
Growing season length (days, 28°F threshold)
- Short year
- 184
- Median
- 212
- Long year
- 243
Source NOAA station
KANKAKEE METRO WASTEWATER, IL US
1.3 mi · 30 yrs of record (1991–2020) · 600 ft elev.
Data from KANKAKEE METRO WASTEWATER, IL US, 1.3 miles away with 30-year NOAA record (1991-2020).
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