Climate almanac
Iwanai
Hokkaido, Japan · 42.97°, 140.51°
What is the weather like in Iwanai in August?
In August, Iwanai is typically 76°F (24°C) during the day and 67°F (19°C) at night. The month brings about 7.4 in (188 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low67°F (19°C)
- Precipitation7.4 in (188 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)