Hiroshima in Japan sees its peak temperatures in August (32°C (90°F)) and its coolest in January (10°C (50°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Hiroshima, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Hiroshima offers pleasant conditions in April, May, June and October, with temperatures typically ranging from 20°C (68°F) to 27°C (81°F).
The peak heat season generally takes place in July and August.
Precipitation in Hiroshima varies considerably throughout the year. The wettest conditions occur in June with 212 mm (8.3 in) of rain, while January stays relatively dry with 53 mm (2.1 in). The region experiences its rainy season during June and July, when monthly rainfall can range from 206 mm (8.1 in) to 212 mm (8.3 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for May, when daylight hours are at their peak.