Climate and Weather of Hiroshima, Japan

In Japan you have several regions, one of which is called Hiroshima. The most popular city in this region is Hiroshima, whose climate data we'll examine to provide you with an overview of what weather to expect in Hiroshima. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

The weather in Hiroshima during April, May, June and October is comfortably warm, with average temperatures ranging from 20°C to 27°C.

Note that the warmest month in Hiroshima is normally August, with the temperature reaching 32°C, while January has the coolest maximum daytime temperatures, reaching 10°C.

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 of rain, while January stays relatively dry with 53 mm. The region experiences its rainy season during June and July, when monthly rainfall can range from 206 mm to 212 mm.

Visitors hoping to maximize their time in the sun should consider planning their trip for May, when daylight hours are at their peak.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Hiroshima, Japan?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.