Lake Delton Wisconsin Climate Data

Monthly Average Climate Data for Lake Delton Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.9 °F26.4 °F1.24 in.
February11.5 °F30.6 °F1.3 in.
March22.4 °F42.8 °F2.14 in.
April34.0 °F56.3 °F4.1 in.
May46.2 °F68.5 °F4.31 in.
June56.4 °F78.0 °F5.25 in.
July60.3 °F81.9 °F4.08 in.
August58.0 °F80.0 °F4.16 in.
September49.7 °F72.7 °F3.72 in.
October38.0 °F59.4 °F2.93 in.
November26.8 °F44.5 °F1.98 in.
December16.0 °F31.8 °F1.73 in.
Annual35.7 °F56.1 °F36.94 in.

Climate Data for Lake Delton Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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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