Martinton Illinois Climate Data

Monthly Average Climate Data for Martinton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.2 °F32.2 °F2.18 in.
February19.3 °F36.8 °F1.95 in.
March28.8 °F48.5 °F2.44 in.
April38.8 °F61.9 °F3.7 in.
May50.4 °F72.8 °F4.37 in.
June60.1 °F81.7 °F4.88 in.
July63.3 °F84.4 °F4.49 in.
August61.0 °F82.9 °F3.62 in.
September53.0 °F78.1 °F3.19 in.
October41.8 °F65.2 °F3.34 in.
November31.3 °F49.9 °F2.63 in.
December21.9 °F37.4 °F2.2 in.
Annual40.5 °F61 °F38.99 in.

Climate Data for Martinton Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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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