Cornland Illinois Climate Data

Monthly Average Climate Data for Cornland Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.6 °F35.1 °F2.11 in.
February21.7 °F39.9 °F1.97 in.
March30.9 °F51.4 °F2.66 in.
April41.7 °F64.3 °F4.02 in.
May53.2 °F74.4 °F4.51 in.
June62.3 °F83.0 °F4.54 in.
July65.3 °F85.9 °F3.88 in.
August63.3 °F84.4 °F3.37 in.
September54.9 °F79.3 °F3.12 in.
October43.4 °F66.8 °F3.26 in.
November32.6 °F52.0 °F2.92 in.
December24.0 °F40.0 °F2.18 in.
Annual42.7 °F63 °F38.54 in.

Climate Data for Cornland Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com