Climate almanac
Hirao
Nagano, Japan · 36.75°, 138.42°
What is the weather like in Hirao in December?
In December, Hirao is typically 39°F (4°C) during the day and 26°F (-3°C) at night. The month brings about 5.4 in (136 mm) of precipitation in total. Snowfall averages about 25 in (647 mm) over the month.
- Average high39°F (4°C)
- Average low26°F (-3°C)
- Precipitation5.4 in (136 mm)
- Clear or mostly clear days3
- Snowfall25 in (647 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)