Martinsburg Iowa Climate Data

Monthly Average Climate Data for Martinsburg Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C-0.6 °C32.26 mm
February-8.1 °C2.1 °C39.62 mm
March-2.1 °C9.3 °C57.15 mm
April4 °C16.5 °C96.77 mm
May10.7 °C22.1 °C130.3 mm
June16.2 °C27.5 °C135.64 mm
July18.2 °C29.5 °C106.93 mm
August16.8 °C28.4 °C105.66 mm
September11.8 °C24.8 °C95.25 mm
October5.3 °C17.9 °C71.63 mm
November-1.2 °C9.4 °C55.63 mm
December-6.8 °C2.3 °C40.64 mm
Annual4.6 °C15.8 °C967.48 mm

Climate Data for Martinsburg Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com