Temperature
Hot by day, warm at night.
87°Ftypical Aug high
Hiroshima is most comfortable in spring. Summers are warm and winters are cool.

Hot by day, warm at night.
Recurring showers across the month.
Cloudier spells limit sunshine.
Hot days, with humid stretches.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Hiroshima with Suzhou.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology