Martinsburg Iowa Climate Data

Monthly Average Climate Data for Martinsburg Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.8 °F31.0 °F1.27 in.
February17.5 °F35.7 °F1.56 in.
March28.2 °F48.7 °F2.25 in.
April39.2 °F61.7 °F3.81 in.
May51.2 °F71.8 °F5.13 in.
June61.2 °F81.5 °F5.34 in.
July64.8 °F85.1 °F4.21 in.
August62.2 °F83.2 °F4.16 in.
September53.3 °F76.7 °F3.75 in.
October41.6 °F64.2 °F2.82 in.
November29.8 °F49.0 °F2.19 in.
December19.7 °F36.2 °F1.6 in.
Annual40.2 °F60.4 °F38.09 in.

Climate Data for Martinsburg Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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