Climate almanac
Isumi
Chiba, Japan · 35.23°, 140.40°
What is the weather like in Isumi in May?
In May, Isumi is typically 69°F (21°C) during the day and 64°F (18°C) at night. The month brings about 6.3 in (159 mm) of precipitation in total.
- Average high69°F (21°C)
- Average low64°F (18°C)
- Precipitation6.3 in (159 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)