Hiroshima Weather in August

During August, Hiroshima experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 24°C (75°F). Expect quite a bit of rainfall. Around 158 mm (6.2 in) is typical.

Rainfall in Hiroshima in August

Typically, about 14 days will experience rainfall, with an average of 158 mm (6.2 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Hiroshima in August

In August, Hiroshima gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 24°C (75°F). It's usually most comfortable outside during the morning and later in the day. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.

Sunshine in Hiroshima in August

Enjoy a sunny month with about 209 hours of sunshine, the clear skies make Hiroshima even more beautiful.

If you prefer dry days with pleasant temperatures, May and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Hiroshima's climate page.

Hiroshima Temperature in August

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 45%  

Precipitation 158 mm (6.2 in)  

Rainy days 14 days  

Humidity 68% *  

Sunshine 209 hours *  

Percentage Sunshine 51% *  

* Data from: Hiroshima, Japan (42 KM, 26 Miles).

What to Wear in Hiroshima in August

Warm but pleasant conditions in Hiroshima in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Hiroshima in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Hiroshima's climate page.

More climate data for Hiroshima

Temperature Rainfall Sunshine Humidity

See the full Hiroshima climate overview or explore weather in Japan.