Wentzville Missouri Climate Data

Monthly Average Climate Data for Wentzville Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.9 °F39.6 °F2.46 in.
February25.2 °F45.2 °F2.32 in.
March34.0 °F55.5 °F3.34 in.
April44.8 °F67.4 °F4.6 in.
May55.2 °F76.0 °F5.14 in.
June64.5 °F84.3 °F4.62 in.
July68.1 °F88.1 °F4.05 in.
August66.1 °F87.0 °F3.61 in.
September57.7 °F80.3 °F3.48 in.
October45.8 °F68.7 °F3.37 in.
November35.2 °F55.3 °F3.42 in.
December26.5 °F43.8 °F2.65 in.
Annual45.4 °F65.9 °F43.06 in.

Climate Data for Wentzville Missouri

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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