Byrnes Mill Missouri Climate Data

Monthly Average Climate Data for Byrnes Mill Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.4 °F40.3 °F2.77 in.
February26.0 °F45.9 °F2.42 in.
March34.8 °F55.9 °F3.71 in.
April45.5 °F68.0 °F4.79 in.
May56.0 °F76.8 °F5.19 in.
June65.0 °F85.3 °F4.45 in.
July69.1 °F89.0 °F4.01 in.
August66.9 °F87.7 °F3.64 in.
September58.5 °F81.1 °F3.46 in.
October46.5 °F69.4 °F3.3 in.
November35.7 °F56.0 °F3.54 in.
December26.9 °F44.8 °F2.73 in.
Annual46.1 °F66.7 °F44.01 in.

Climate Data for Byrnes Mill 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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