Wynona Oklahoma Climate Data

Monthly Average Climate Data for Wynona Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C9.1 °C36.32 mm
February-2.1 °C11.6 °C45.21 mm
March3 °C16.8 °C77.22 mm
April8.3 °C21.9 °C115.06 mm
May13.9 °C25.7 °C147.83 mm
June18.9 °C30.3 °C133.6 mm
July21.2 °C33.3 °C103.63 mm
August20.3 °C33.3 °C90.93 mm
September15.8 °C29.2 °C89.15 mm
October8.9 °C22.9 °C86.36 mm
November2.9 °C16.4 °C58.17 mm
December-2.3 °C10 °C44.7 mm
Annual8.7 °C21.7 °C1028.18 mm

Climate Data for Wynona 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 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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