Wayne County, Illinois · Frost dates
Wayne County frost dates.
First-frost, last-frost, and growing-season length for Wayne County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-23
- 20%
- 04-18
- 50%
- 04-07
- 80%
- 03-29
- 90%
- 03-23
First fall frost
- 10%
- 10-14
- 20%
- 10-19
- 50%
- 10-26
- 80%
- 11-04
- 90%
- 11-09
28°F — killing freeze
Last spring freeze
- 10%
- 04-11
- 20%
- 04-05
- 50%
- 03-27
- 80%
- 03-17
- 90%
- 03-11
First fall freeze
- 10%
- 10-24
- 20%
- 10-30
- 50%
- 11-06
- 80%
- 11-16
- 90%
- 11-22
Growing season length (days, 28°F threshold)
- Short year
- 196
- Median
- 224
- Long year
- 256
Source NOAA station
FAIRFIELD RADIO WFIW, IL US
6.7 mi · 30 yrs of record (1991–2020) · 430 ft elev.
Data from FAIRFIELD RADIO WFIW, IL US, 6.7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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