White Heath Illinois Climate Data

Monthly Average Climate Data for White Heath Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.7 °F33.7 °F2.3 in.
February20.8 °F38.4 °F1.95 in.
March30.0 °F49.9 °F2.74 in.
April40.5 °F63.5 °F4.07 in.
May52.4 °F73.9 °F4.6 in.
June61.3 °F82.3 °F4.62 in.
July64.3 °F84.4 °F4.03 in.
August61.7 °F82.8 °F3.21 in.
September54.5 °F78.7 °F3.11 in.
October42.5 °F65.8 °F3.41 in.
November32.0 °F51.1 °F3.01 in.
December23.4 °F38.5 °F2.36 in.
Annual41.8 °F61.9 °F39.41 in.

Climate Data for White Heath 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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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