Jefferson Oklahoma Climate Data

Monthly Average Climate Data for Jefferson Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.1 °F47.3 °F1.05 in.
February26.4 °F51.7 °F1.28 in.
March35.2 °F61.4 °F2.47 in.
April44.0 °F70.9 °F3.48 in.
May55.3 °F79.7 °F4.31 in.
June65.5 °F89.9 °F4.7 in.
July69.9 °F94.9 °F3.61 in.
August68.1 °F93.4 °F3.71 in.
September59.9 °F86.1 °F2.57 in.
October46.9 °F73.6 °F3.29 in.
November35.0 °F60.4 °F1.74 in.
December25.7 °F48.7 °F1.47 in.
Annual46.3 °F71.5 °F33.68 in.

Climate Data for Jefferson Oklahoma

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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