Norman Oklahoma Climate Data

Monthly Average Climate Data for Norman Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.7 °C10.1 °C34.29 mm
February-0.6 °C12.4 °C40.13 mm
March4.2 °C17.4 °C68.58 mm
April8.9 °C22.1 °C90.93 mm
May14.7 °C26.2 °C133.1 mm
June19.6 °C30.9 °C110.49 mm
July21.9 °C34.1 °C91.44 mm
August21.1 °C33.8 °C80.52 mm
September16.7 °C29.4 °C86.36 mm
October10.1 °C23.3 °C83.06 mm
November3.8 °C16.6 °C53.85 mm
December-1.2 °C10.9 °C50.29 mm
Annual9.7 °C22.3 °C923.04 mm

Climate Data for Norman 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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