Climate almanac
Jassans-Riottier
Rhône-Alpes, France · 45.98°, 4.76°
What is the weather like in Jassans-Riottier in December?
In December, Jassans-Riottier is typically 46°F (8°C) during the day and 36°F (2°C) at night. The month brings about 4.2 in (107 mm) of precipitation in total. Snowfall averages about 1.4 in (36 mm) over the month.
- Average high46°F (8°C)
- Average low36°F (2°C)
- Precipitation4.2 in (107 mm)
- Clear or mostly clear days3
- Snowfall1.4 in (36 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)