Seymour Missouri Climate Data

Monthly Average Climate Data for Seymour Missouri

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5 °C5.3 °C70.36 mm
February-2.9 °C7.9 °C72.39 mm
March1.9 °C13.1 °C107.7 mm
April7.3 °C18.8 °C128.52 mm
May12.7 °C23.7 °C146.05 mm
June17.7 °C28.1 °C111.76 mm
July20 °C30.7 °C109.73 mm
August19 °C30.3 °C88.9 mm
September14.8 °C26.4 °C106.68 mm
October8.5 °C20.1 °C92.46 mm
November2.8 °C13.2 °C103.12 mm
December-2.6 °C6.9 °C74.42 mm
Annual7.9 °C18.7 °C1212.09 mm

Climate Data for Seymour Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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