Annual Weather Averages Near Gary
Averages are for Lansing Municipal Airport, which is 11 miles from Gary.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Gary
High Temp: 83 °F
Low Temp: 22 °F
Mean Temp: 52 °F
Precipitation: 1.42"
Humidity: 70%
Dew Point: 42 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 11 mi
January Climate & Weather Averages in Gary
High Temp: 35 °F
Low Temp: 22 °F
Mean Temp: 28 °F
Precipitation: 1.20"
Humidity: 75%
Dew Point: 20 °F
Wind: 20 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Gary
High Temp: 38 °F
Low Temp: 24 °F
Mean Temp: 31 °F
Precipitation: 1.22"
Humidity: 72%
Dew Point: 22 °F
Wind: 19 mph
Pressure: 30.08 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Gary
High Temp: 48 °F
Low Temp: 33 °F
Mean Temp: 40 °F
Precipitation: 1.12"
Humidity: 68%
Dew Point: 29 °F
Wind: 20 mph
Pressure: 30.07 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Gary
High Temp: 60 °F
Low Temp: 41 °F
Mean Temp: 50 °F
Precipitation: 1.65"
Humidity: 65%
Dew Point: 37 °F
Wind: 20 mph
Pressure: 29.96 "Hg
Visibility: 11 mi
May Climate & Weather Averages in Gary
High Temp: 70 °F
Low Temp: 52 °F
Mean Temp: 61 °F
Precipitation: 2.07"
Humidity: 68%
Dew Point: 49 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
June Climate & Weather Averages in Gary
High Temp: 80 °F
Low Temp: 62 °F
Mean Temp: 70 °F
Precipitation: 1.79"
Humidity: 71%
Dew Point: 60 °F
Wind: 15 mph
Pressure: 29.94 "Hg
Visibility: 11 mi
July Climate & Weather Averages in Gary
High Temp: 83 °F
Low Temp: 67 °F
Mean Temp: 75 °F
Precipitation: 1.77"
Humidity: 71%
Dew Point: 64 °F
Wind: 15 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
August Climate & Weather Averages in Gary
High Temp: 81 °F
Low Temp: 65 °F
Mean Temp: 73 °F
Precipitation: 1.68"
Humidity: 73%
Dew Point: 64 °F
Wind: 14 mph
Pressure: 30.01 "Hg
Visibility: 11 mi
September Climate & Weather Averages in Gary
High Temp: 76 °F
Low Temp: 58 °F
Mean Temp: 67 °F
Precipitation: 1.11"
Humidity: 70%
Dew Point: 56 °F
Wind: 15 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
October Climate & Weather Averages in Gary
High Temp: 64 °F
Low Temp: 47 °F
Mean Temp: 55 °F
Precipitation: 1.34"
Humidity: 69%
Dew Point: 44 °F
Wind: 17 mph
Pressure: 30.03 "Hg
Visibility: 12 mi
November Climate & Weather Averages in Gary
High Temp: 51 °F
Low Temp: 36 °F
Mean Temp: 43 °F
Precipitation: 1.10"
Humidity: 70%
Dew Point: 33 °F
Wind: 19 mph
Pressure: 30.07 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Gary
High Temp: 39 °F
Low Temp: 27 °F
Mean Temp: 33 °F
Precipitation: 0.97"
Humidity: 76%
Dew Point: 25 °F
Wind: 18 mph
Pressure: 30.07 "Hg
Visibility: 9 mi