Ogle County, Illinois · Frost dates
Ogle County frost dates.
First-frost, last-frost, and growing-season length for Ogle County, Illinois. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6a
32°F — light freeze
Last spring frost
- 10%
- 05-14
- 20%
- 05-09
- 50%
- 04-29
- 80%
- 04-20
- 90%
- 04-15
First fall frost
- 10%
- 09-23
- 20%
- 09-28
- 50%
- 10-07
- 80%
- 10-16
- 90%
- 10-22
28°F — killing freeze
Last spring freeze
- 10%
- 05-05
- 20%
- 04-29
- 50%
- 04-19
- 80%
- 04-09
- 90%
- 04-04
First fall freeze
- 10%
- 10-03
- 20%
- 10-08
- 50%
- 10-19
- 80%
- 10-28
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 151
- Median
- 183
- Long year
- 211
Source NOAA station
POLO 5NW, IL US
14.7 mi · 30 yrs of record (1991–2020) · 856 ft elev.
Data from POLO 5NW, IL US, 14.7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.