Thompson Iowa Climate Data

Monthly Average Climate Data for Thompson Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.6 °F23.5 °F0.89 in.
February11.2 °F28.3 °F0.93 in.
March23.5 °F40.8 °F1.87 in.
April35.1 °F56.6 °F3.57 in.
May47.6 °F68.9 °F4.78 in.
June58.5 °F78.7 °F5.27 in.
July61.7 °F81.8 °F4.45 in.
August59.1 °F79.5 °F3.95 in.
September50.4 °F73.4 °F3.35 in.
October37.9 °F60.1 °F2.37 in.
November25.6 °F43.2 °F1.55 in.
December13.5 °F29.3 °F1.23 in.
Annual35.9 °F55.3 °F34.21 in.

Climate Data for Thompson Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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