Lester Iowa Climate Data

Monthly Average Climate Data for Lester Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.8 °F25.4 °F0.64 in.
February11.1 °F30.2 °F0.81 in.
March22.6 °F42.9 °F1.5 in.
April34.1 °F57.5 °F2.96 in.
May46.8 °F69.7 °F3.79 in.
June58.3 °F80.0 °F4.74 in.
July61.6 °F83.7 °F3.4 in.
August58.9 °F81.4 °F3.32 in.
September49.8 °F74.7 °F3.17 in.
October36.7 °F60.7 °F2.34 in.
November23.6 °F44.0 °F1.4 in.
December12.4 °F30.0 °F0.94 in.
Annual35.2 °F56.7 °F29.01 in.

Climate Data for Lester 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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