Climate almanac
Iwatsuki
Saitama, Japan · 35.96°, 139.70°
What is the weather like in Iwatsuki in December?
In December, Iwatsuki is typically 54°F (12°C) during the day and 36°F (2°C) at night. The month brings about 1.6 in (41 mm) of precipitation in total.
- Average high54°F (12°C)
- Average low36°F (2°C)
- Precipitation1.6 in (41 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)