Climate almanac
Gary
Indiana, United States · 41.59°, -87.35°
What is the weather like in Gary in December?
In December, Gary is typically 40°F (4°C) during the day and 28°F (-2°C) at night. The month brings about 2.7 in (67 mm) of precipitation in total. Snowfall averages about 4.1 in (104 mm) over the month.
- Average high40°F (4°C)
- Average low28°F (-2°C)
- Precipitation2.7 in (67 mm)
- Clear or mostly clear days4
- Snowfall4.1 in (104 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)