Stillwater Oklahoma Climate Data

Monthly Average Climate Data for Stillwater Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.8 °F49.0 °F1.31 in.
February28.2 °F52.6 °F1.48 in.
March36.6 °F62.3 °F2.66 in.
April45.8 °F71.4 °F3.95 in.
May56.8 °F79.3 °F4.84 in.
June66.6 °F88.0 °F4.65 in.
July70.8 °F93.3 °F3.43 in.
August69.1 °F93.1 °F3.27 in.
September60.5 °F85.5 °F3.33 in.
October47.9 °F73.8 °F3.27 in.
November36.4 °F61.6 °F2.12 in.
December26.9 °F50.2 °F1.67 in.
Annual47.5 °F71.7 °F35.98 in.

Climate Data for Stillwater 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 ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate