Gary Indiana Climate Data

Monthly Average Climate Data for Gary Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.1 °F32.8 °F2.37 in.
February21.8 °F36.4 °F1.96 in.
March30.3 °F46.4 °F2.38 in.
April40.2 °F58.5 °F3.62 in.
May50.7 °F69.3 °F4.33 in.
June60.6 °F79.1 °F4.45 in.
July66.1 °F83.3 °F4.31 in.
August65.3 °F81.9 °F4.08 in.
September57.8 °F76.1 °F3.41 in.
October46.1 °F63.5 °F4.03 in.
November35.1 °F49.8 °F3.1 in.
December24.9 °F37.9 °F2.34 in.
Annual43.2 °F59.6 °F40.38 in.

Climate Data for Gary 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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation