Fort Smith Arkansas Climate Data

Monthly Average Climate Data for Fort Smith Arkansas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.8 °C10.3 °C81.03 mm
February0.2 °C12.8 °C71.63 mm
March4.6 °C17.6 °C109.73 mm
April9.3 °C22.7 °C123.19 mm
May15.1 °C26.6 °C145.8 mm
June19.9 °C31.2 °C111.51 mm
July21.9 °C33.9 °C91.69 mm
August21.2 °C33.8 °C95.5 mm
September16.9 °C29.9 °C101.35 mm
October10.1 °C23.9 °C104.39 mm
November4.1 °C17.3 °C103.38 mm
December-0.2 °C11.5 °C94.23 mm
Annual10.1 °C22.6 °C1233.43 mm

Climate Data for Fort Smith Arkansas

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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