Hiroshima vs Osaka

Hiroshima

Hiroshima has a humid subtropical climate with four distinct seasons. Summers are hot and humid, winters are mild compared to northern Japan, and spring cherry blossoms and autumn foliage are spectacular. The rainy season (tsuyu) runs from mid-June to mid-July.

Osaka

Osaka has a humid subtropical climate with four distinct seasons. Summers are hot and humid with temperatures exceeding 35 degrees Celsius, while winters are mild but damp. The rainy season (tsuyu) runs from early June to mid-July. Cherry blossom season in late March to early April is the most popular time to visit.

Hiroshima

Hiroshima has an extensive streetcar (tram) network — the oldest and largest in Japan — supplemented by buses and a good cycling infrastructure. The tram system connects the station to Peace Park, the castle, and the Miyajima ferry terminal. An IC card (ICOCA/Suica) works on all public transport.

Walkability: Hiroshima is very walkable within the central area. Peace Memorial Park, the Atomic Bomb Dome, Hiroshima Castle, and Shukkeien Garden are all within a 25-minute walk of each other. The flat river delta terrain and well-maintained sidewalks make walking easy. The Hondori shopping arcade provides covered walking in any weather.

Osaka

Osaka has an extensive rail and subway network operated by multiple companies (JR West, Osaka Metro, Hankyu, Hanshin, Kintetsu, Nankai). An IC card (ICOCA or Suica) is essential. The system is punctual, clean, and reaches virtually everywhere you need to go.

Walkability: Osaka's main districts are very walkable. The Namba/Dotonbori/Shinsaibashi area can be explored entirely on foot, as can the Umeda underground shopping city. The Osaka Castle park area is pleasant for walking. Covered shopping arcades protect from rain.