Waterloo Wisconsin Climate Data

Monthly Average Climate Data for Waterloo Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.3 °F27.1 °F1.5 in.
February14.1 °F30.9 °F1.54 in.
March24.7 °F43.0 °F2.0 in.
April36.0 °F56.8 °F3.81 in.
May47.7 °F69.2 °F4.13 in.
June57.8 °F78.9 °F5.36 in.
July61.9 °F82.5 °F4.16 in.
August59.9 °F80.6 °F4.13 in.
September51.6 °F73.9 °F3.55 in.
October40.0 °F60.5 °F2.99 in.
November28.9 °F45.5 °F2.18 in.
December18.2 °F32.5 °F1.74 in.
Annual37.7 °F56.8 °F37.09 in.

Climate Data for Waterloo Wisconsin

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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