Rock Island Oklahoma Climate Data

Monthly Average Climate Data for Rock Island Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.1 °C10.5 °C80.26 mm
February0.1 °C13.1 °C73.66 mm
March4.4 °C17.8 °C109.22 mm
April9.2 °C22.7 °C126.24 mm
May14.7 °C26.7 °C152.91 mm
June19.6 °C31.3 °C109.98 mm
July21.6 °C34.1 °C92.71 mm
August20.8 °C33.9 °C88.65 mm
September16.6 °C30 °C109.98 mm
October9.8 °C24 °C105.41 mm
November4 °C17.4 °C115.32 mm
December-0.4 °C11.9 °C96.27 mm
Annual9.9 °C22.8 °C1260.61 mm

Climate Data for Rock Island 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 7b : -15°C to -12.2°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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