Climate almanac
Viterbo
Lazio, Italy · 42.42°, 12.11°
What is the weather like in Viterbo in December?
In December, Viterbo is typically 53°F (12°C) during the day and 42°F (5°C) at night. The month brings about 3.5 in (90 mm) of precipitation in total.
- Average high53°F (12°C)
- Average low42°F (5°C)
- Precipitation3.5 in (90 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)