Sulphur Oklahoma Climate Data

Monthly Average Climate Data for Sulphur Oklahoma

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.2 °C11.1 °C49.28 mm
February-0.2 °C13.3 °C52.32 mm
March4.7 °C18.2 °C79.76 mm
April9.1 °C22.8 °C89.92 mm
May14.6 °C26.4 °C136.14 mm
June19.7 °C31.1 °C116.59 mm
July21.7 °C34.1 °C89.66 mm
August21.1 °C34.4 °C70.1 mm
September16.8 °C30.1 °C104.39 mm
October10.2 °C24.1 °C100.58 mm
November4.1 °C17.6 °C61.98 mm
December-0.9 °C11.9 °C64.01 mm
Annual9.9 °C22.9 °C1014.73 mm

Climate Data for Sulphur Oklahoma

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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