Merwin Missouri Climate Data

Monthly Average Climate Data for Merwin Missouri

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.5 °C4.4 °C36.58 mm
February-4.5 °C6.9 °C45.97 mm
March0.8 °C13 °C69.09 mm
April6.4 °C18.8 °C109.73 mm
May12.4 °C23.9 °C151.38 mm
June17.8 °C28.9 °C140.21 mm
July20.2 °C31.6 °C111.51 mm
August18.9 °C31 °C99.57 mm
September14.1 °C26.9 °C112.78 mm
October7.3 °C20.3 °C87.38 mm
November1.1 °C12.9 °C63.25 mm
December-4.2 °C6.4 °C48.26 mm
Annual7 °C18.8 °C1075.71 mm

Climate Data for Merwin Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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