Humboldt Illinois Climate Data

Monthly Average Climate Data for Humboldt Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.7 °F35.3 °F2.55 in.
February22.7 °F39.9 °F2.21 in.
March31.8 °F51.3 °F2.95 in.
April42.4 °F64.3 °F4.65 in.
May53.9 °F74.6 °F4.43 in.
June62.8 °F83.2 °F4.7 in.
July65.6 °F86.1 °F4.16 in.
August63.3 °F84.8 °F2.84 in.
September55.7 °F79.7 °F3.05 in.
October44.2 °F67.1 °F3.48 in.
November33.6 °F52.2 °F3.53 in.
December25.3 °F40.2 °F2.66 in.
Annual43.4 °F63.2 °F41.21 in.

Climate Data for Humboldt 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 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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