Griffin Indiana Climate Data

Monthly Average Climate Data for Griffin Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.1 °F40.4 °F3.55 in.
February26.8 °F45.5 °F2.92 in.
March35.1 °F55.4 °F4.26 in.
April45.5 °F67.4 °F4.86 in.
May56.1 °F77.0 °F5.27 in.
June64.8 °F85.5 °F4.4 in.
July67.7 °F88.2 °F4.28 in.
August65.6 °F87.2 °F3.08 in.
September57.9 °F82.0 °F3.33 in.
October46.3 °F70.2 °F3.4 in.
November35.8 °F55.8 °F3.8 in.
December27.9 °F44.6 °F3.52 in.
Annual46.1 °F66.6 °F46.67 in.

Climate Data for Griffin 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 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation