Sulphur Oklahoma Climate Data

Monthly Average Climate Data for Sulphur Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.0 °F51.9 °F1.94 in.
February31.7 °F56.0 °F2.06 in.
March40.4 °F64.7 °F3.14 in.
April48.4 °F73.0 °F3.54 in.
May58.3 °F79.6 °F5.36 in.
June67.4 °F88.0 °F4.59 in.
July71.1 °F93.3 °F3.53 in.
August69.9 °F93.9 °F2.76 in.
September62.3 °F86.2 °F4.11 in.
October50.3 °F75.4 °F3.96 in.
November39.4 °F63.6 °F2.44 in.
December30.4 °F53.5 °F2.52 in.
Annual49.8 °F73.3 °F39.95 in.

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 : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate