Hennessey Oklahoma Climate Data

Monthly Average Climate Data for Hennessey Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.8 °F48.1 °F1.08 in.
February27.8 °F52.0 °F1.48 in.
March36.4 °F61.6 °F2.46 in.
April44.9 °F70.5 °F3.62 in.
May56.1 °F79.5 °F4.85 in.
June66.1 °F89.5 °F4.63 in.
July70.5 °F95.1 °F3.04 in.
August69.0 °F93.7 °F3.48 in.
September61.1 °F86.0 °F2.62 in.
October48.4 °F73.4 °F3.08 in.
November36.3 °F60.4 °F1.8 in.
December27.1 °F49.3 °F1.59 in.
Annual47.4 °F71.6 °F33.73 in.

Climate Data for Hennessey Oklahoma

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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