Monona Wisconsin Climate Data

Monthly Average Climate Data for Monona Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.9 °F27.0 °F1.53 in.
February13.8 °F31.0 °F1.6 in.
March24.3 °F43.2 °F2.12 in.
April35.9 °F56.8 °F3.73 in.
May47.7 °F68.8 °F4.4 in.
June57.7 °F78.3 °F5.58 in.
July61.9 °F82.0 °F4.41 in.
August60.0 °F80.2 °F4.08 in.
September51.4 °F73.1 °F3.48 in.
October39.7 °F60.2 °F2.85 in.
November28.4 °F45.2 °F2.21 in.
December17.9 °F32.6 °F1.73 in.
Annual37.5 °F56.5 °F37.72 in.

Climate Data for Monona Wisconsin

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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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