Grandfield Oklahoma Climate Data

Monthly Average Climate Data for Grandfield Oklahoma

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.6 °F53.5 °F1.19 in.
February31.7 °F57.6 °F1.49 in.
March40.2 °F66.4 °F2.26 in.
April48.0 °F74.9 °F2.8 in.
May59.0 °F83.8 °F4.13 in.
June68.3 °F92.5 °F3.83 in.
July72.0 °F97.3 °F2.22 in.
August71.2 °F96.9 °F2.33 in.
September63.3 °F88.6 °F2.88 in.
October51.2 °F77.3 °F3.12 in.
November39.5 °F64.5 °F1.89 in.
December30.4 °F54.5 °F1.53 in.
Annual50.3 °F75.7 °F29.67 in.

Climate Data for Grandfield 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