Onomichi Weather in August

With daytime temperatures of 33°C (91°F) and nighttime lows of 25°C (77°F), August in Onomichi brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 112 mm (4.4 in) falls on average.

Rainfall in Onomichi in August

Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 112 mm (4.4 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Onomichi in August

Expect highs of 33°C (91°F) in Onomichi in August, with nights dropping to around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.

Sunshine in Onomichi in August

Expect a lot of sunshine this month, with about 209 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Onomichi in August

Wind speeds average 2 m/s (4 knots) during August. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

August in Onomichi can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Onomichi Temperature in August

Min Temperature 25°C (77°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 44%  

Precipitation 112 mm (4.4 in)  

Rainy days 13 days  

Humidity 68% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 209 hours *  

Percentage Sunshine 51% *  

* Data from: Hiroshima, Japan (24 KM, 15 Miles).

What to Wear in Onomichi in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Onomichi in August

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

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 Onomichi's climate page.

More climate data for Onomichi

Temperature Rainfall Sunshine Humidity Wind Speed

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