Montello Wisconsin Climate Data

Monthly Average Climate Data for Montello Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.5 °F26.5 °F1.36 in.
February11.2 °F30.8 °F1.26 in.
March21.9 °F42.6 °F1.88 in.
April33.6 °F56.2 °F3.66 in.
May46.0 °F68.7 °F4.32 in.
June56.0 °F78.1 °F5.09 in.
July59.9 °F82.0 °F4.25 in.
August57.8 °F80.1 °F3.93 in.
September49.3 °F72.7 °F3.46 in.
October37.7 °F59.5 °F2.83 in.
November26.4 °F44.5 °F2.03 in.
December15.5 °F31.7 °F1.67 in.
Annual35.3 °F56.1 °F35.74 in.

Climate Data for Montello Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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