Optima Oklahoma Climate Data

Monthly Average Climate Data for Optima Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C9.1 °C10.67 mm
February-5.3 °C11 °C9.4 mm
March-0.9 °C16.2 °C29.21 mm
April3.8 °C20.8 °C35.05 mm
May9.9 °C26.2 °C55.37 mm
June15.9 °C31.9 °C66.29 mm
July18.6 °C34.4 °C70.61 mm
August17.6 °C33.2 °C73.15 mm
September13 °C29.2 °C33.02 mm
October5.4 °C22.3 °C43.18 mm
November-1.3 °C15.3 °C14.73 mm
December-6.1 °C9.1 °C18.29 mm
Annual5.3 °C21.6 °C458.97 mm

Climate Data for Optima Oklahoma

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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