Onalaska Wisconsin Climate Data

Monthly Average Climate Data for Onalaska Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.5 °F26.3 °F1.17 in.
February12.9 °F31.0 °F1.16 in.
March24.5 °F43.2 °F2.0 in.
April37.0 °F57.5 °F3.98 in.
May48.7 °F70.0 °F4.77 in.
June59.0 °F79.6 °F5.23 in.
July63.0 °F83.1 °F4.28 in.
August60.9 °F81.3 °F4.12 in.
September52.6 °F73.7 °F3.81 in.
October40.4 °F60.2 °F2.81 in.
November28.6 °F44.5 °F1.92 in.
December16.7 °F31.4 °F1.48 in.
Annual37.8 °F56.8 °F36.73 in.

Climate Data for Onalaska Wisconsin

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 4b : -25°F to -20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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