Alden Illinois Climate Data

Monthly Average Climate Data for Alden Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.1 °F28.6 °F1.74 in.
February15.7 °F32.6 °F1.8 in.
March25.3 °F44.6 °F2.25 in.
April35.4 °F57.3 °F3.77 in.
May48.1 °F68.7 °F4.5 in.
June57.0 °F78.1 °F5.21 in.
July61.3 °F81.8 °F3.83 in.
August59.5 °F80.3 °F4.01 in.
September51.8 °F73.9 °F3.64 in.
October40.3 °F60.9 °F2.97 in.
November29.5 °F46.4 °F2.41 in.
December18.8 °F33.6 °F2.03 in.
Annual38 °F57.2 °F38.16 in.

Climate Data for Alden 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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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