Penfield Illinois Climate Data

Monthly Average Climate Data for Penfield Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.5 °F33.2 °F2.29 in.
February20.6 °F37.9 °F2.01 in.
March29.9 °F49.5 °F2.74 in.
April40.4 °F63.2 °F4.01 in.
May52.2 °F74.0 °F4.5 in.
June61.4 °F82.4 °F4.71 in.
July64.2 °F84.8 °F4.26 in.
August61.8 °F83.4 °F3.36 in.
September54.3 °F78.8 °F3.13 in.
October42.7 °F66.0 °F3.33 in.
November32.3 °F50.8 °F3.06 in.
December23.2 °F38.2 °F2.34 in.
Annual41.7 °F61.9 °F39.74 in.

Climate Data for Penfield 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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