Siloam Springs Arkansas Climate Data

Monthly Average Climate Data for Siloam Springs Arkansas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.2 °C8.3 °C70.61 mm
February-1.4 °C10.8 °C61.72 mm
March3.3 °C15.7 °C102.87 mm
April7.9 °C20.6 °C125.48 mm
May13.2 °C24.8 °C153.92 mm
June18.2 °C29.3 °C122.17 mm
July20.4 °C32.2 °C115.32 mm
August19.6 °C32.1 °C88.65 mm
September15.2 °C27.9 °C124.46 mm
October8.8 °C21.9 °C117.86 mm
November3.2 °C15.4 °C93.98 mm
December-1.4 °C9.8 °C81.28 mm
Annual8.7 °C20.7 °C1258.32 mm

Climate Data for Siloam Springs Arkansas

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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