South Bend Indiana Climate Data

Monthly Average Climate Data for South Bend Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.1 °F32.2 °F2.7 in.
February20.1 °F35.5 °F2.38 in.
March28.2 °F46.6 °F2.36 in.
April38.5 °F59.3 °F3.46 in.
May49.5 °F70.6 °F4.22 in.
June58.7 °F80.1 °F4.18 in.
July62.8 °F83.6 °F4.14 in.
August61.3 °F81.8 °F3.96 in.
September54.1 °F75.8 °F3.58 in.
October42.9 °F63.0 °F3.75 in.
November32.6 °F48.5 °F2.87 in.
December24.0 °F37.2 °F2.46 in.
Annual40.9 °F59.5 °F40.06 in.

Climate Data for South Bend Indiana

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°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