Cumberland County, Illinois · Frost dates
Cumberland County frost dates.
First-frost, last-frost, and growing-season length for Cumberland County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 04-30
- 20%
- 04-23
- 50%
- 04-14
- 80%
- 04-05
- 90%
- 04-02
First fall frost
- 10%
- 10-05
- 20%
- 10-11
- 50%
- 10-20
- 80%
- 10-27
- 90%
- 10-31
28°F — killing freeze
Last spring freeze
- 10%
- 04-17
- 20%
- 04-11
- 50%
- 04-03
- 80%
- 03-26
- 90%
- 03-21
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 10-31
- 80%
- 11-07
- 90%
- 11-12
Growing season length (days, 28°F threshold)
- Short year
- 183
- Median
- 211
- Long year
- 236
Source NOAA station
CASEY, IL US
14.3 mi · 30 yrs of record (1991–2020) · 620 ft elev.
Data from CASEY, IL US, 14.3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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