Plano Iowa Climate Data

Monthly Average Climate Data for Plano Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.6 °F31.7 °F1.11 in.
February17.4 °F36.5 °F1.48 in.
March28.1 °F49.3 °F2.23 in.
April38.8 °F61.4 °F3.97 in.
May50.5 °F71.1 °F5.41 in.
June60.4 °F80.7 °F5.35 in.
July64.6 °F84.9 °F4.56 in.
August62.2 °F83.4 °F4.24 in.
September53.3 °F76.5 °F3.84 in.
October41.2 °F63.9 °F2.93 in.
November29.0 °F49.1 °F2.09 in.
December19.3 °F36.8 °F1.52 in.
Annual39.9 °F60.4 °F38.73 in.

Climate Data for Plano Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 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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