New Berlin Wisconsin Climate Data

Monthly Average Climate Data for New Berlin Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.0 °F28.1 °F1.77 in.
February15.0 °F31.7 °F1.67 in.
March24.2 °F42.6 °F2.02 in.
April35.2 °F54.9 °F3.92 in.
May45.9 °F66.6 °F4.18 in.
June55.6 °F76.6 °F4.95 in.
July60.8 °F81.4 °F3.75 in.
August59.3 °F79.9 °F3.85 in.
September51.1 °F72.9 °F3.28 in.
October39.9 °F60.0 °F2.88 in.
November29.0 °F45.7 °F2.17 in.
December18.4 °F33.4 °F2.04 in.
Annual37.2 °F56.2 °F36.48 in.

Climate Data for New Berlin Wisconsin

Average First Frost DateOct. 11 - Oct. 20
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