Fayette County, Illinois · Frost dates
Fayette County frost dates.
First-frost, last-frost, and growing-season length for Fayette County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-25
- 20%
- 04-18
- 50%
- 04-03
- 80%
- 03-25
- 90%
- 03-19
First fall frost
- 10%
- 10-09
- 20%
- 10-15
- 50%
- 10-24
- 80%
- 11-02
- 90%
- 11-08
28°F — killing freeze
Last spring freeze
- 10%
- 04-13
- 20%
- 04-06
- 50%
- 03-27
- 80%
- 03-17
- 90%
- 03-10
First fall freeze
- 10%
- 10-21
- 20%
- 10-26
- 50%
- 11-04
- 80%
- 11-17
- 90%
- 11-25
Growing season length (days, 28°F threshold)
- Short year
- 191
- Median
- 222
- Long year
- 260
Source NOAA station
BROWNSTOWN 4 SW, IL US
4.5 mi · 30 yrs of record (1991–2020) · 530 ft elev.
Data from BROWNSTOWN 4 SW, IL US, 4.5 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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