Climate almanac
Sanjō
Niigata, Japan · 37.62°, 138.95°
What is the weather like in Sanjō in December?
In December, Sanjō is typically 44°F (7°C) during the day and 33°F (0°C) at night. The month brings about 9.3 in (237 mm) of precipitation in total. Snowfall averages about 27 in (683 mm) over the month.
- Average high44°F (7°C)
- Average low33°F (0°C)
- Precipitation9.3 in (237 mm)
- Clear or mostly clear days2
- Snowfall27 in (683 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)