Smithville Oklahoma Climate Data

Monthly Average Climate Data for Smithville Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.8 °C11.5 °C99.57 mm
February0.1 °C13.8 °C96.52 mm
March4.2 °C18.2 °C125.48 mm
April8.4 °C22.7 °C138.94 mm
May14.1 °C26.3 °C176.78 mm
June18.6 °C30.7 °C110.24 mm
July20.4 °C33.1 °C100.84 mm
August19.7 °C33.8 °C89.92 mm
September16 °C30.1 °C112.78 mm
October9.4 °C23.9 °C137.92 mm
November4 °C17.6 °C116.33 mm
December-0.2 °C12.5 °C123.7 mm
Annual9.4 °C22.9 °C1429.02 mm

Climate Data for Smithville Oklahoma

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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