Climate almanac
McComb
Mississippi, United States · 31.24°, -90.45°
What is the weather like in McComb in December?
In December, McComb is typically 64°F (18°C) during the day and 46°F (8°C) at night. The month brings about 5.4 in (137 mm) of precipitation in total. Snowfall averages about 0.3 in (8 mm) over the month.
- Average high64°F (18°C)
- Average low46°F (8°C)
- Precipitation5.4 in (137 mm)
- Clear or mostly clear days9
- Snowfall0.3 in (8 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)