Seymour Indiana Climate Data

Monthly Average Climate Data for Seymour Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.3 °C3.9 °C91.69 mm
February-4.1 °C6.4 °C74.42 mm
March0.3 °C12.1 °C104.65 mm
April5.8 °C18.7 °C133.86 mm
May11.7 °C23.7 °C135.89 mm
June16.3 °C27.9 °C131.57 mm
July18.3 °C29.6 °C107.7 mm
August17.2 °C29.3 °C103.12 mm
September12.9 °C26.2 °C83.82 mm
October6.3 °C19.7 °C91.69 mm
November1.1 °C12.4 °C95.5 mm
December-3 °C6.2 °C95.76 mm
Annual6.5 °C18 °C1249.67 mm

Climate Data for Seymour Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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