Machesney Park Illinois Climate Data

Monthly Average Climate Data for Machesney Park Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.3 °F28.4 °F1.58 in.
February15.6 °F32.5 °F1.64 in.
March26.1 °F44.9 °F2.08 in.
April36.9 °F58.3 °F3.73 in.
May48.5 °F69.9 °F4.43 in.
June58.5 °F79.6 °F5.51 in.
July62.2 °F83.0 °F3.78 in.
August60.5 °F81.4 °F4.13 in.
September52.1 °F74.8 °F3.59 in.
October40.4 °F61.9 °F2.87 in.
November29.2 °F46.6 °F2.36 in.
December18.8 °F33.9 °F2.01 in.
Annual38.4 °F57.9 °F37.71 in.

Climate Data for Machesney Park Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation