Bluffton Indiana Climate Data

Monthly Average Climate Data for Bluffton Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.9 °C0.6 °C67.31 mm
February-6.7 °C2.6 °C56.39 mm
March-2 °C8.7 °C70.1 mm
April3.9 °C16 °C101.85 mm
May10.1 °C22.2 °C116.33 mm
June15.7 °C27.2 °C119.63 mm
July17.4 °C29 °C113.28 mm
August16.1 °C28 °C101.85 mm
September11.9 °C25.1 °C77.98 mm
October5.8 °C18.2 °C73.41 mm
November0.2 °C9.9 °C78.23 mm
December-4.7 °C3.3 °C63.75 mm
Annual5 °C15.9 °C1040.11 mm

Climate Data for Bluffton Indiana

Average First Frost DateOct. 11 - Oct. 20
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 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation