Best Time to Visit Hiroshima
Best time: May, Oct, Jun.
Aug is warmest (31.5°C high); Jun is rainiest (305 mm).
Hiroshima weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 9.1 | 1.2 | 64 | 3.8 |
| Feb | 9.7 | 1.4 | 82 | 4.7 |
| Mar | 13.1 | 4.1 | 130 | 6 |
| Apr | 18.8 | 9.2 | 173 | 7.4 |
| May | 23.2 | 13.8 | 185 | 8.2 |
| Jun | 26.1 | 18.5 | 305 | 7.6 |
| Jul | 30.1 | 23 | 257 | 8 |
| Aug | 31.5 | 23.8 | 199 | 8.2 |
| Sep | 27.6 | 19.6 | 247 | 6.4 |
| Oct | 22.5 | 13.4 | 135 | 5.6 |
| Nov | 16.9 | 7.8 | 92 | 4.1 |
| Dec | 11.7 | 3 | 50 | 3.5 |
Average high temperature
Best months by activity
Overall: MayOctJun
Beaches: AugJulJun
Hiking: DecMay
Sightseeing: NovDecMayOct
Hiroshima quick facts
What to pack
Cold months (Jan, Feb, Dec): warm layers and a coat.
Wet months (Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Hiroshima?
May, Oct, Jun.
What is the rainiest month?
Jun, about 305 mm.
What is the warmest month?
Aug, with average highs of 31.5°C.
Where to stay
See Hiroshima hotels · Book Hiroshima tours & activities
All destinations · Best time to visit Tokyo · Best time to visit Kyoto · Best time to visit Fuji · Best time to visit Atsugi
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.