Climate almanac
Tomakomai
Hokkaido, Japan · 42.64°, 141.60°
What is the weather like in Tomakomai in December?
In December, Tomakomai is typically 34°F (1°C) during the day and 25°F (-4°C) at night. The month brings about 2.7 in (69 mm) of precipitation in total. Snowfall averages about 11 in (287 mm) over the month.
- Average high34°F (1°C)
- Average low25°F (-4°C)
- Precipitation2.7 in (69 mm)
- Clear or mostly clear days6
- Snowfall11 in (287 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)