Johnson Oklahoma Climate Data

Monthly Average Climate Data for Johnson Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.4 °F50.6 °F1.54 in.
February31.0 °F54.8 °F1.84 in.
March39.5 °F63.7 °F2.89 in.
April48.2 °F72.6 °F3.85 in.
May57.9 °F79.3 °F5.34 in.
June66.9 °F87.7 °F5.11 in.
July70.9 °F93.2 °F3.5 in.
August69.4 °F93.1 °F3.29 in.
September61.4 °F85.3 °F3.85 in.
October49.8 °F74.6 °F3.65 in.
November39.0 °F62.7 °F2.3 in.
December30.4 °F52.2 °F2.07 in.
Annual49.3 °F72.5 °F39.23 in.

Climate Data for Johnson Oklahoma

Average First Frost DateNov. 1 - Nov. 10
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 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com