Best Time to Visit Hiroshima, Hiroshima Prefecture, Japan
Month-by-month climate guide for planning a trip to Hiroshima.
Hiroshima does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (August, 27.6°C / 81.7°F) and driest (December, 50 mm / 2 in) months. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from 5.1°C / 41.2°F in January to 27.6°C / 81.7°F in August, with rainfall from 50 mm / 2 in (December) to 305 mm / 12 in (June). These are point-value climate normals sampled at Hiroshima, Hiroshima Prefecture, Japan's coordinates — usually more actionable for travellers than the country-wide average. Hiroshima's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| December | 7.3°C45.1°F | 50 mm2″ | — |
| November | 12.3°C54.1°F | 92 mm3.6″ | — |
| January | 5.1°C41.2°F | 64 mm2.5″ | — |
No month at Hiroshima matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Hiroshima?
Hiroshima doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on December (driest, ~50 mm / 2 in) and August (warmest, 27.6°C / 81.7°F). Because these are point values at the city, they can differ substantially from Japan's national average.
When is the rainy season in Hiroshima?
The rainy season at Hiroshima, Hiroshima Prefecture runs through May–September, when monthly rainfall exceeds the annual median of about 173 mm / 6.8 in. The wettest single month is June (305 mm / 12 in).
What is the driest month in Hiroshima?
The driest month in Hiroshima is December, averaging about 50 mm / 2 in of rainfall. Temperature that month averages 7.3°C / 45.1°F.
What months should I avoid visiting Hiroshima?
The least comfortable months for travel to Hiroshima — based on point-value climate at the city — are January, February, March, June, July, September, December. These are the wettest or coolest months at this location. Rainfall peaks at 305 mm / 12 in in June, and the coldest month averages 5.1°C / 41.2°F.
Is Hiroshima climate different from Japan overall?
Yes, usually. Our Hiroshima figures are point-value climate normals sampled at the city itself, while our Japan figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Hiroshima specifically — usually the more actionable data for a traveller planning to spend time in the city.