Smithland Iowa Climate Data

Monthly Average Climate Data for Smithland Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.1 °F29.2 °F0.69 in.
February14.4 °F34.3 °F0.88 in.
March25.3 °F47.7 °F1.66 in.
April36.0 °F61.2 °F3.33 in.
May48.3 °F72.1 °F4.45 in.
June59.3 °F82.0 °F4.74 in.
July63.0 °F85.2 °F3.77 in.
August60.3 °F82.9 °F4.15 in.
September51.2 °F76.9 °F3.01 in.
October38.4 °F64.0 °F2.23 in.
November25.4 °F47.6 °F1.4 in.
December15.4 °F34.1 °F1.1 in.
Annual37.3 °F59.8 °F31.41 in.

Climate Data for Smithland 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 5a : -20°F to -15°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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