New Vienna Iowa Climate Data

Monthly Average Climate Data for New Vienna Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.8 °C-3.3 °C31.5 mm
February-10.8 °C-0.8 °C34.54 mm
March-4.3 °C6.4 °C53.59 mm
April1.9 °C14.2 °C98.81 mm
May8.4 °C20.5 °C118.11 mm
June14.2 °C25.8 °C148.34 mm
July16.2 °C27.6 °C122.17 mm
August14.8 °C26.6 °C105.41 mm
September10 °C22.9 °C96.77 mm
October3.4 °C15.8 °C75.69 mm
November-3.1 °C7.1 °C56.64 mm
December-9 °C-0.1 °C42.42 mm
Annual2.4 °C13.6 °C983.99 mm

Climate Data for New Vienna Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com