Martelle Iowa Climate Data

Monthly Average Climate Data for Martelle Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.7 °F27.8 °F1.28 in.
February14.4 °F32.2 °F1.48 in.
March25.6 °F45.4 °F2.28 in.
April36.6 °F59.6 °F3.87 in.
May48.3 °F70.5 °F4.72 in.
June58.5 °F79.7 °F5.52 in.
July62.0 °F82.8 °F4.72 in.
August59.5 °F81.1 °F4.4 in.
September50.8 °F74.9 °F3.73 in.
October39.1 °F62.1 °F3.02 in.
November27.4 °F46.5 °F2.3 in.
December17.1 °F33.4 °F1.7 in.
Annual37.5 °F58 °F39.02 in.

Climate Data for Martelle Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com