Griffith Indiana Climate Data

Monthly Average Climate Data for Griffith Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.9 °C0.2 °C58.42 mm
February-6.6 °C2.3 °C54.1 mm
March-1.7 °C8.2 °C59.69 mm
April3.9 °C15.2 °C94.23 mm
May9.9 °C21.1 °C109.73 mm
June15.4 °C26.6 °C119.38 mm
July18 °C28.7 °C108.71 mm
August17.2 °C27.8 °C109.47 mm
September12.9 °C24.6 °C86.36 mm
October6.6 °C17.6 °C93.98 mm
November0.6 °C9.7 °C72.9 mm
December-4.8 °C3 °C58.93 mm
Annual5.3 °C15.4 °C1025.9 mm

Climate Data for Griffith Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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