Mehlville Missouri Climate Data

Monthly Average Climate Data for Mehlville Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.0 °F40.7 °F2.77 in.
February27.4 °F46.0 °F2.5 in.
March36.0 °F56.1 °F3.63 in.
April46.7 °F68.3 °F4.73 in.
May57.3 °F77.0 °F5.3 in.
June66.1 °F85.5 °F4.65 in.
July70.1 °F89.1 °F4.17 in.
August68.0 °F87.7 °F3.77 in.
September60.1 °F81.2 °F3.38 in.
October48.9 °F69.5 °F3.51 in.
November37.3 °F55.4 °F3.7 in.
December28.8 °F44.8 °F2.81 in.
Annual47.6 °F66.8 °F44.92 in.

Climate Data for Mehlville Missouri

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
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 ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate