La Harpe Illinois Climate Data

Monthly Average Climate Data for La Harpe Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F32.7 °F1.66 in.
February19.4 °F37.4 °F1.88 in.
March29.7 °F50.1 °F2.35 in.
April40.5 °F62.9 °F3.81 in.
May52.3 °F73.3 °F5.2 in.
June62.0 °F82.3 °F4.73 in.
July65.4 °F85.7 °F3.98 in.
August63.2 °F84.1 °F3.41 in.
September54.8 °F78.0 °F3.66 in.
October43.0 °F65.4 °F3.04 in.
November31.5 °F50.4 °F2.61 in.
December21.6 °F37.9 °F1.95 in.
Annual41.6 °F61.7 °F38.28 in.

Climate Data for La Harpe Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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