Petersburg Indiana Climate Data

Monthly Average Climate Data for Petersburg Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.2 °C4 °C90.17 mm
February-3.7 °C6.7 °C73.41 mm
March0.9 °C12.4 °C103.89 mm
April6.7 °C19.4 °C125.22 mm
May12.8 °C24.4 °C143 mm
June17.7 °C29 °C121.41 mm
July19.1 °C30.6 °C108.71 mm
August17.9 °C30.1 °C77.72 mm
September13.7 °C27.2 °C95.76 mm
October7.2 °C20.7 °C88.65 mm
November1.6 °C12.7 °C106.17 mm
December-2.7 °C6.4 °C92.46 mm
Annual7.2 °C18.6 °C1226.57 mm

Climate Data for Petersburg Indiana

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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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