Lynnville Iowa Climate Data

Monthly Average Climate Data for Lynnville Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C-1.4 °C26.67 mm
February-9.1 °C1.2 °C34.54 mm
March-2.9 °C8.6 °C53.59 mm
April3.6 °C16.1 °C99.06 mm
May10.3 °C21.8 °C126.24 mm
June16.2 °C27.3 °C136.4 mm
July17.8 °C29.3 °C108.97 mm
August16.7 °C28.2 °C111.25 mm
September11.6 °C24.6 °C91.44 mm
October4.7 °C17.5 °C70.1 mm
November-1.8 °C8.8 °C51.56 mm
December-7.7 °C1.7 °C37.85 mm
Annual4 °C15.3 °C947.67 mm

Climate Data for Lynnville Iowa

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 : -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