Heavener Oklahoma Climate Data

Monthly Average Climate Data for Heavener Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.2 °F51.6 °F2.96 in.
February32.1 °F56.3 °F2.98 in.
March40.0 °F64.6 °F4.02 in.
April48.2 °F72.9 °F5.41 in.
May58.0 °F79.9 °F7.26 in.
June66.6 °F88.4 °F4.45 in.
July70.3 °F93.6 °F3.26 in.
August68.7 °F93.4 °F4.25 in.
September61.1 °F86.3 °F4.59 in.
October49.3 °F75.5 °F4.45 in.
November39.2 °F63.8 °F4.75 in.
December31.0 °F54.0 °F3.77 in.
Annual49.4 °F73.4 °F52.15 in.

Climate Data for Heavener Oklahoma

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
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 ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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