Armstrong Oklahoma Climate Data

Monthly Average Climate Data for Armstrong Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January30.1 °F52.6 °F2.45 in.
February34.2 °F57.4 °F2.57 in.
March42.0 °F65.0 °F3.87 in.
April49.7 °F73.3 °F4.09 in.
May59.9 °F80.5 °F6.08 in.
June68.5 °F89.0 °F4.73 in.
July72.1 °F94.0 °F3.29 in.
August70.5 °F94.4 °F2.86 in.
September62.9 °F87.2 °F3.91 in.
October51.0 °F76.4 °F4.25 in.
November40.9 °F64.6 °F3.5 in.
December32.6 °F54.8 °F3.36 in.
Annual51.2 °F74.1 °F44.96 in.

Climate Data for Armstrong 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 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate