Frontenac Missouri Climate Data

Monthly Average Climate Data for Frontenac Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.2 °F40.6 °F2.74 in.
February27.4 °F45.9 °F2.41 in.
March36.1 °F56.2 °F3.59 in.
April46.8 °F68.0 °F4.72 in.
May57.5 °F76.8 °F5.26 in.
June66.6 °F85.3 °F4.63 in.
July70.4 °F88.8 °F4.08 in.
August68.4 °F87.6 °F3.69 in.
September60.4 °F81.0 °F3.32 in.
October49.1 °F69.4 °F3.47 in.
November37.4 °F55.3 °F3.65 in.
December29.0 °F44.7 °F2.76 in.
Annual47.8 °F66.6 °F44.32 in.

Climate Data for Frontenac Missouri

Average First Frost DateOct. 21 - Oct. 31
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
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