Scott County, Illinois · Frost dates
Scott County frost dates.
First-frost, last-frost, and growing-season length for Scott County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-05
- 20%
- 04-29
- 50%
- 04-18
- 80%
- 04-08
- 90%
- 04-03
First fall frost
- 10%
- 10-05
- 20%
- 10-10
- 50%
- 10-20
- 80%
- 10-27
- 90%
- 10-31
28°F — killing freeze
Last spring freeze
- 10%
- 04-22
- 20%
- 04-15
- 50%
- 04-05
- 80%
- 03-27
- 90%
- 03-20
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
- 177
- Median
- 207
- Long year
- 237
Source NOAA station
WINCHESTER, IL US
1.3 mi · 30 yrs of record (1991–2020) · 551 ft elev.
Data from WINCHESTER, IL US, 1.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.