Dewar Oklahoma Climate Data

Monthly Average Climate Data for Dewar Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.7 °C10 °C53.34 mm
February-0.7 °C12.3 °C53.85 mm
March4.2 °C17.4 °C84.58 mm
April8.8 °C22.1 °C113.28 mm
May14.4 °C26.1 °C145.03 mm
June19.6 °C30.8 °C119.89 mm
July21.4 °C33.8 °C103.63 mm
August20.7 °C33.9 °C79.5 mm
September16.1 °C29.7 °C114.05 mm
October9.6 °C23.6 °C101.85 mm
November3.8 °C17.1 °C81.03 mm
December-1.1 °C11.2 °C65.79 mm
Annual9.5 °C22.3 °C1115.82 mm

Climate Data for Dewar 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
2024 plantmaps.com