Hiroshima July weather
Hiroshima, Japan · July
When humidity starts to drive fatigue
July is hot and humid, and long outdoor blocks (parks, riverside) can build fatigue quickly. Even at the same temperature, the air can feel “heavy.”
Sudden showers can interrupt transfers. Keeping midday outdoors short and mixing in indoor time often feels more manageable.
July averages at a glance
Average low
around 23–25°C
Average high
around 31–34°C
Average rainfall
around 170–260 mm
Rainy days
about 8–12 days
What to wear in July in Hiroshima
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Very light short sleeves/tanks with breathable bottoms are common.
- • A thin layer helps with strong indoor AC.
- • A folding umbrella and water-safe pouch help for sudden showers.
Travel tips for visiting Hiroshima in July
- • Shift outdoor time to morning/evening and rest indoors at midday.
- • For Miyajima, waiting and walking distance can feel tougher in heat—earlier timing helps.
- • After rain, humidity can spike—leave slack in the schedule.
July weather in Hiroshima — FAQ
Q. Is a Miyajima day trip okay in July?
A. Yes, but heat and humidity can raise fatigue. Going early and keeping midday mostly indoor/shaded helps.
Q. Is indoor AC strong?
A. It varies, but trains and shops can feel quite cool. A thin layer often stabilizes comfort.
Q. How do I plan for showers?
A. A folding umbrella plus water-friendly footwear (or spare socks) reduces stress.
Explore Hiroshima
These pages are connected so you can compare conditions and decide for yourself.