Larchwood Iowa Climate Data

Monthly Average Climate Data for Larchwood Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °F25.1 °F0.65 in.
February11.0 °F29.9 °F0.84 in.
March22.4 °F42.7 °F1.48 in.
April34.0 °F57.1 °F2.94 in.
May46.8 °F69.3 °F3.76 in.
June58.1 °F79.6 °F4.65 in.
July61.4 °F83.3 °F3.36 in.
August58.8 °F80.9 °F3.32 in.
September49.8 °F74.3 °F3.08 in.
October36.9 °F60.3 °F2.36 in.
November23.5 °F43.8 °F1.38 in.
December12.3 °F29.8 °F0.95 in.
Annual35.1 °F56.3 °F28.77 in.

Climate Data for Larchwood Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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