Pomeroy Iowa Climate Data

Monthly Average Climate Data for Pomeroy Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-3.2 °C21.08 mm
February-10.7 °C-0.8 °C25.91 mm
March-4 °C6.8 °C49.02 mm
April2.2 °C14.9 °C91.19 mm
May9.2 °C21.1 °C119.89 mm
June15.3 °C26.8 °C130.81 mm
July17.2 °C28.4 °C95 mm
August15.6 °C27.1 °C109.47 mm
September10.6 °C23.9 °C75.69 mm
October3.7 °C16.6 °C60.96 mm
November-3.4 °C7.3 °C38.61 mm
December-9.5 °C-0.3 °C31.5 mm
Annual2.8 °C14.1 °C849.13 mm

Climate Data for Pomeroy 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 : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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