South Haven Indiana Climate Data

Monthly Average Climate Data for South Haven Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.9 °C0.3 °C62.48 mm
February-6.4 °C2.4 °C55.37 mm
March-1.8 °C8.3 °C60.45 mm
April3.8 °C15.2 °C92.96 mm
May9.7 °C21.3 °C104.9 mm
June15.2 °C26.5 °C117.35 mm
July17.7 °C28.4 °C109.22 mm
August16.9 °C27.6 °C107.19 mm
September12.7 °C24.4 °C89.15 mm
October6.5 °C17.7 °C101.09 mm
November0.8 °C9.8 °C72.14 mm
December-4.6 °C3.1 °C58.67 mm
Annual5.2 °C15.4 °C1030.97 mm

Climate Data for South Haven Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation