Climate almanac
Cromwell
Connecticut, United States · 41.60°, -72.65°
What is the weather like in Cromwell in December?
In December, Cromwell is typically 43°F (6°C) during the day and 29°F (-1°C) at night. The month brings about 4.9 in (126 mm) of precipitation in total. Snowfall averages about 5.0 in (127 mm) over the month.
- Average high43°F (6°C)
- Average low29°F (-1°C)
- Precipitation4.9 in (126 mm)
- Clear or mostly clear days11
- Snowfall5.0 in (127 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)