Climate almanac
Iwatsuki
Saitama, Japan · 35.96°, 139.70°
What is the weather like in Iwatsuki in January?
In January, Iwatsuki is typically 50°F (10°C) during the day and 32°F (0°C) at night. The month brings about 1.8 in (46 mm) of precipitation in total. Snowfall averages about 1.6 in (40 mm) over the month.
- Average high50°F (10°C)
- Average low32°F (0°C)
- Precipitation1.8 in (46 mm)
- Clear or mostly clear days20
- Snowfall1.6 in (40 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)