Menlo Iowa Climate Data

Monthly Average Climate Data for Menlo Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.2 °C-1 °C21.59 mm
February-8.9 °C1.8 °C29.21 mm
March-3 °C8.9 °C50.55 mm
April3.1 °C16.2 °C93.98 mm
May9.9 °C22.1 °C130.05 mm
June15.6 °C27.3 °C131.32 mm
July17.7 °C29.3 °C106.43 mm
August16.3 °C28.3 °C103.38 mm
September11.3 °C24.8 °C89.92 mm
October4.4 °C17.7 °C69.6 mm
November-2.4 °C9 °C45.21 mm
December-8.2 °C1.7 °C33.53 mm
Annual3.7 °C15.5 °C904.77 mm

Climate Data for Menlo Iowa

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 : -26.1°C to -23.3°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