Woodford County, Illinois · Frost dates
Woodford County frost dates.
First-frost, last-frost, and growing-season length for Woodford County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-07
- 20%
- 05-02
- 50%
- 04-21
- 80%
- 04-12
- 90%
- 04-07
First fall frost
- 10%
- 10-03
- 20%
- 10-07
- 50%
- 10-17
- 80%
- 10-25
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 04-27
- 20%
- 04-19
- 50%
- 04-09
- 80%
- 04-01
- 90%
- 03-28
First fall freeze
- 10%
- 10-11
- 20%
- 10-17
- 50%
- 10-27
- 80%
- 11-05
- 90%
- 11-10
Growing season length (days, 28°F threshold)
- Short year
- 167
- Median
- 201
- Long year
- 227
Source NOAA station
CONGERVILLE 2NW, IL US
11.8 mi · 30 yrs of record (1991–2020) · 640 ft elev.
Data from CONGERVILLE 2NW, IL US, 11.8 miles away with 30-year NOAA record (1991-2020).
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