Chelsea Wisconsin Climate Data

Monthly Average Climate Data for Chelsea Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January2.1 °F21.0 °F1.12 in.
February3.7 °F25.7 °F1.04 in.
March15.4 °F37.5 °F1.64 in.
April28.9 °F51.3 °F2.88 in.
May41.8 °F64.7 °F3.7 in.
June51.9 °F73.7 °F4.61 in.
July55.9 °F77.8 °F3.82 in.
August53.7 °F75.8 °F3.97 in.
September46.0 °F68.2 °F3.8 in.
October34.1 °F54.2 °F3.11 in.
November23.0 °F38.7 °F1.87 in.
December10.1 °F26.1 °F1.44 in.
Annual30.6 °F51.2 °F33 in.

Climate Data for Chelsea Wisconsin

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 4a : -30°F to -25°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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