Bluffton Indiana Climate Data

Monthly Average Climate Data for Bluffton Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.8 °F33.0 °F2.65 in.
February19.9 °F36.7 °F2.22 in.
March28.4 °F47.6 °F2.76 in.
April39.1 °F60.8 °F4.01 in.
May50.1 °F71.9 °F4.58 in.
June60.2 °F80.9 °F4.71 in.
July63.3 °F84.2 °F4.46 in.
August60.9 °F82.4 °F4.01 in.
September53.4 °F77.1 °F3.07 in.
October42.4 °F64.7 °F2.89 in.
November32.4 °F49.9 °F3.08 in.
December23.6 °F38.0 °F2.51 in.
Annual41 °F60.6 °F40.95 in.

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 : -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