Littleton Illinois Climate Data

Monthly Average Climate Data for Littleton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F33.6 °F1.95 in.
February20.4 °F38.5 °F1.94 in.
March30.2 °F50.5 °F2.52 in.
April40.9 °F63.1 °F3.95 in.
May52.4 °F73.3 °F5.0 in.
June61.9 °F82.0 °F4.8 in.
July65.1 °F85.4 °F4.0 in.
August62.7 °F83.9 °F3.7 in.
September54.3 °F78.1 °F3.58 in.
October42.8 °F65.6 °F3.13 in.
November31.9 °F51.2 °F2.75 in.
December22.4 °F38.7 °F2.1 in.
Annual41.8 °F62 °F39.42 in.

Climate Data for Littleton 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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