Dewey Oklahoma Climate Data

Monthly Average Climate Data for Dewey Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.5 °F46.6 °F1.48 in.
February27.0 °F51.3 °F1.77 in.
March36.1 °F60.7 °F2.99 in.
April45.9 °F70.3 °F4.19 in.
May56.5 °F78.0 °F5.96 in.
June65.8 °F86.7 °F5.17 in.
July70.0 °F92.1 °F3.71 in.
August67.9 °F91.8 °F3.52 in.
September59.6 °F84.2 °F3.4 in.
October47.0 °F72.6 °F3.58 in.
November35.5 °F60.2 °F2.36 in.
December26.4 °F48.9 °F1.95 in.
Annual46.8 °F70.3 °F40.08 in.

Climate Data for Dewey 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 6b : -5°F to 0°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate