Climate almanac
Exeter
New Hampshire, United States · 42.98°, -70.95°
What is the weather like in Exeter in December?
In December, Exeter is typically 39°F (4°C) during the day and 26°F (-3°C) at night. The month brings about 4.9 in (125 mm) of precipitation in total. Snowfall averages about 9.9 in (252 mm) over the month.
- Average high39°F (4°C)
- Average low26°F (-3°C)
- Precipitation4.9 in (125 mm)
- Clear or mostly clear days11
- Snowfall9.9 in (252 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)