Grainola Oklahoma Climate Data

Monthly Average Climate Data for Grainola Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C7.5 °C27.43 mm
February-3.3 °C10 °C37.85 mm
March1.8 °C15.6 °C69.34 mm
April7.2 °C20.7 °C104.9 mm
May13.3 °C25.1 °C148.08 mm
June18.7 °C30.1 °C138.43 mm
July21 °C32.8 °C108.71 mm
August20 °C32.5 °C95 mm
September15.6 °C28.6 °C91.19 mm
October8.4 °C22.1 °C89.41 mm
November2.1 °C15.1 °C54.1 mm
December-3.4 °C8.6 °C41.91 mm
Annual8 °C20.7 °C1006.35 mm

Climate Data for Grainola 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 ConditionsExceptional Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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