Greendale Wisconsin Climate Data

Monthly Average Climate Data for Greendale Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.5 °F29.2 °F1.82 in.
February16.4 °F32.8 °F1.73 in.
March25.4 °F43.3 °F2.05 in.
April35.8 °F55.5 °F4.04 in.
May46.7 °F67.3 °F4.21 in.
June56.8 °F77.3 °F4.96 in.
July62.1 °F82.0 °F3.59 in.
August60.9 °F80.7 °F3.79 in.
September52.6 °F73.7 °F3.37 in.
October41.1 °F60.9 °F2.93 in.
November29.9 °F46.7 °F2.21 in.
December19.8 °F34.5 °F2.09 in.
Annual38.4 °F57 °F36.79 in.

Climate Data for Greendale Wisconsin

Average First Frost DateOct. 21 - Oct. 31
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 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com