Griffin Indiana Climate Data

Monthly Average Climate Data for Griffin Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.4 °C4.7 °C90.17 mm
February-2.9 °C7.5 °C74.17 mm
March1.7 °C13 °C108.2 mm
April7.5 °C19.7 °C123.44 mm
May13.4 °C25 °C133.86 mm
June18.2 °C29.7 °C111.76 mm
July19.8 °C31.2 °C108.71 mm
August18.7 °C30.7 °C78.23 mm
September14.4 °C27.8 °C84.58 mm
October7.9 °C21.2 °C86.36 mm
November2.1 °C13.2 °C96.52 mm
December-2.3 °C7 °C89.41 mm
Annual7.8 °C19.2 °C1185.41 mm

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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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