Gary climate

Gary Weather in January

NOAA 1991-2020 normals for Indiana Dunes Nl, 21.9 km from Gary

Average highs run from 34°F on January 1 to 32°F on January 31, and lows from 20°F to 18°F. Normal precipitation for the month is 2.21 in over about 13 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Gary, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
32°F
Average low
18°F
Precipitation
2.21 in
Snowfall
16.0 in
Record high
65°FJan 8, 2008
Record low
-27°FJan 20, 1985
Chance of a freeze
100%
Daylight
9 h 14 min to 10 h 02 min
Cloud cover
70%
Humidity
87%
Dew point
20°F
Wind
13.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 134°F20°F57°F 2005-15°F 196840%23%
Jan 234°F20°F55°F 2005-14°F 197940%23%
Jan 333°F19°F61°F 2000-14°F 201840%23%
Jan 433°F19°F59°F 1997-11°F 195940%24%
Jan 533°F19°F64°F 1997-20°F 199940%24%
Jan 633°F19°F55°F 1998-18°F 198840%24%
Jan 733°F19°F60°F 2008-17°F 201440%24%
Jan 833°F18°F65°F 2008-13°F 201440%25%
Jan 932°F18°F65°F 2008-12°F 196240%25%
Jan 1032°F18°F58°F 1975-18°F 198240%25%
Jan 1132°F18°F55°F 2018-13°F 197740%25%
Jan 1232°F18°F59°F 1960-14°F 197440%25%
Jan 1332°F18°F61°F 2005-8°F 195740%25%
Jan 1432°F18°F47°F 2006-14°F 195740%25%
Jan 1532°F17°F56°F 1953-18°F 197939%26%
Jan 1632°F17°F51°F 1990-22°F 197739%26%
Jan 1732°F17°F56°F 1990-22°F 197739%26%
Jan 1832°F17°F58°F 1996-20°F 199439%26%
Jan 1932°F17°F59°F 1996-20°F 199438%26%
Jan 2032°F17°F55°F 2006-27°F 198538%26%
Jan 2132°F17°F54°F 1957-25°F 198538%26%
Jan 2232°F17°F60°F 2017-14°F 197037%26%
Jan 2332°F17°F56°F 1967-17°F 196337%25%
Jan 2432°F17°F65°F 1967-16°F 196337%25%
Jan 2532°F17°F52°F 1973-8°F 196337%25%
Jan 2632°F17°F52°F 1974-13°F 198236%25%
Jan 2732°F17°F54°F 2002-16°F 195536%25%
Jan 2832°F17°F54°F 1970-16°F 196336%25%
Jan 2932°F17°F57°F 2013-16°F 196635%25%
Jan 3032°F18°F59°F 2013-21°F 201935%25%
Jan 3132°F18°F55°F 1988-23°F 201935%24%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gary, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:16 AM, sunset 4:30 PM
January 31
sunrise 7:02 AM, sunset 5:04 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00124244 (Indiana Dunes Nl), public domain. Records: NOAA GHCN-Daily, station USC00116616, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.