Perry Illinois Climate Data

Monthly Average Climate Data for Perry Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.5 °F35.4 °F2.06 in.
February22.1 °F40.5 °F1.9 in.
March31.4 °F51.8 °F2.71 in.
April42.0 °F64.4 °F4.01 in.
May53.0 °F74.2 °F4.53 in.
June62.3 °F82.9 °F4.71 in.
July65.9 °F86.5 °F4.27 in.
August63.5 °F85.3 °F3.28 in.
September54.9 °F79.0 °F3.65 in.
October43.6 °F67.0 °F2.99 in.
November33.1 °F52.7 °F2.85 in.
December23.8 °F40.2 °F2.15 in.
Annual42.8 °F63.3 °F39.11 in.

Climate Data for Perry Illinois

Average First Frost DateOct. 21 - Oct. 31
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