Petersburg Indiana Climate Data

Monthly Average Climate Data for Petersburg Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.7 °F39.2 °F3.55 in.
February25.4 °F44.0 °F2.89 in.
March33.7 °F54.4 °F4.09 in.
April44.1 °F67.0 °F4.93 in.
May55.1 °F76.0 °F5.63 in.
June63.8 °F84.2 °F4.78 in.
July66.4 °F87.1 °F4.28 in.
August64.3 °F86.1 °F3.06 in.
September56.6 °F80.9 °F3.77 in.
October45.0 °F69.3 °F3.49 in.
November34.9 °F54.9 °F4.18 in.
December27.1 °F43.6 °F3.64 in.
Annual44.9 °F65.6 °F48.29 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation