Climate almanac
Killingworth
Connecticut, United States · 41.36°, -72.56°
What is the weather like in Killingworth in December?
In December, Killingworth is typically 43°F (6°C) during the day and 35°F (2°C) at night. The month brings about 5.9 in (149 mm) of precipitation in total. Snowfall averages about 3.6 in (90 mm) over the month.
- Average high43°F (6°C)
- Average low35°F (2°C)
- Precipitation5.9 in (149 mm)
- Clear or mostly clear days9
- Snowfall3.6 in (90 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)