Portland Arkansas Climate Data

Monthly Average Climate Data for Portland Arkansas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0.9 °C12.1 °C147.32 mm
February2.7 °C14.6 °C143.26 mm
March6.9 °C19.2 °C138.43 mm
April11.7 °C24.1 °C149.61 mm
May16.7 °C28.4 °C127.25 mm
June20.8 °C32.2 °C90.17 mm
July22.4 °C33.4 °C108.2 mm
August21.6 °C33.5 °C105.66 mm
September17.8 °C31.1 °C87.88 mm
October11.2 °C25.5 °C108.97 mm
November5.7 °C18.6 °C107.19 mm
December2.5 °C13.4 °C142.24 mm
Annual11.7 °C23.8 °C1456.18 mm

Climate Data for Portland Arkansas

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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