Kane County, Illinois · Frost dates
Kane County frost dates.
First-frost, last-frost, and growing-season length for Kane County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-12
- 20%
- 05-05
- 50%
- 04-25
- 80%
- 04-16
- 90%
- 04-11
First fall frost
- 10%
- 10-05
- 20%
- 10-10
- 50%
- 10-19
- 80%
- 10-26
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 04-29
- 20%
- 04-24
- 50%
- 04-14
- 80%
- 04-04
- 90%
- 03-31
First fall freeze
- 10%
- 10-16
- 20%
- 10-21
- 50%
- 10-29
- 80%
- 11-07
- 90%
- 11-12
Growing season length (days, 28°F threshold)
- Short year
- 170
- Median
- 198
- Long year
- 226
Source NOAA station
WEST CHICAGO DUPAGE AP, IL US
9.5 mi · 30 yrs of record (1991–2020) · 754 ft elev.
Data from WEST CHICAGO DUPAGE AP, IL US, 9.5 miles away with 30-year NOAA record (1991-2020).
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