Fort Smith Arkansas Climate Data

Monthly Average Climate Data for Fort Smith Arkansas

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.7 °F50.5 °F3.19 in.
February32.3 °F55.1 °F2.82 in.
March40.2 °F63.7 °F4.32 in.
April48.8 °F72.8 °F4.85 in.
May59.1 °F79.9 °F5.74 in.
June67.8 °F88.2 °F4.39 in.
July71.5 °F93.1 °F3.61 in.
August70.2 °F92.8 °F3.76 in.
September62.5 °F85.8 °F3.99 in.
October50.1 °F75.1 °F4.11 in.
November39.3 °F63.1 °F4.07 in.
December31.6 °F52.7 °F3.71 in.
Annual50.2 °F72.7 °F48.56 in.

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 : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate