Mattoon Wisconsin Climate Data

Monthly Average Climate Data for Mattoon Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.8 °F22.6 °F1.09 in.
February6.4 °F26.8 °F1.0 in.
March17.5 °F38.4 °F1.62 in.
April30.4 °F52.1 °F2.94 in.
May42.7 °F65.2 °F3.66 in.
June52.8 °F74.6 °F4.46 in.
July56.6 °F78.7 °F3.76 in.
August54.6 °F76.9 °F3.57 in.
September46.8 °F69.3 °F3.7 in.
October35.1 °F55.3 °F3.07 in.
November24.3 °F40.6 °F1.85 in.
December12.1 °F27.8 °F1.5 in.
Annual32 °F52.4 °F32.22 in.

Climate Data for Mattoon Wisconsin

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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