Johnson Oklahoma Climate Data

Monthly Average Climate Data for Johnson Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.6 °C10.3 °C39.12 mm
February-0.6 °C12.7 °C46.74 mm
March4.2 °C17.6 °C73.41 mm
April9 °C22.6 °C97.79 mm
May14.4 °C26.3 °C135.64 mm
June19.4 °C30.9 °C129.79 mm
July21.6 °C34 °C88.9 mm
August20.8 °C33.9 °C83.57 mm
September16.3 °C29.6 °C97.79 mm
October9.9 °C23.7 °C92.71 mm
November3.9 °C17.1 °C58.42 mm
December-0.9 °C11.2 °C52.58 mm
Annual9.6 °C22.5 °C996.46 mm

Climate Data for Johnson Oklahoma

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°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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