Mount Vernon Indiana Climate Data

Monthly Average Climate Data for Mount Vernon Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.8 °C5.1 °C89.41 mm
February-2.3 °C7.8 °C78.49 mm
March2.2 °C13.2 °C106.93 mm
April7.9 °C19.7 °C128.78 mm
May13.9 °C24.9 °C129.29 mm
June18.7 °C29.6 °C113.28 mm
July20.3 °C31.1 °C100.58 mm
August18.9 °C30.5 °C74.42 mm
September14.8 °C27.8 °C83.82 mm
October8.5 °C21.2 °C84.33 mm
November2.6 °C13.6 °C96.77 mm
December-1.6 °C7.6 °C93.73 mm
Annual8.3 °C19.3 °C1179.83 mm

Climate Data for Mount Vernon Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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