Rock Port Missouri Climate Data

Monthly Average Climate Data for Rock Port Missouri

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.8 °C1.2 °C18.54 mm
February-7.4 °C4.2 °C29.97 mm
March-1.7 °C11.2 °C50.55 mm
April4.4 °C17.7 °C86.61 mm
May11.2 °C23.4 °C137.16 mm
June16.9 °C28.5 °C125.22 mm
July19 °C30.5 °C116.84 mm
August17.4 °C29.6 °C98.81 mm
September12.2 °C26.2 °C83.31 mm
October5.3 °C19.3 °C66.55 mm
November-1.6 °C10.7 °C44.2 mm
December-7 °C3.7 °C30.73 mm
Annual4.9 °C17.2 °C888.49 mm

Climate Data for Rock Port Missouri

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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