June · Japan
Best time to visit Hiroshima in June Weather, crowds & prices
Weather in Hiroshima in June
Average temperature 22°C, 219 mm of rain, about 21 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
6.2/10
Ranked #9 of 12 months
- Avg temp
- 22°C
- Rainfall
- 219 mm
- Humidity
- 84%
- Days with 6h+ sun
- 21
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
June in Hiroshima scores 6.2/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 22°C, 219 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
Peace park memorials and island shrine ferries peak May through September.
June in Hiroshima: mixed conditions, plan around the weather
At 22°C (71°F) this is comfortable city weather in June, with sightseeing easiest before lunch and after the afternoon peak.
This is the year's wettest stretch at 219 mm, but with about 21 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 6.2/10 on the same scale — 9th of 12 months, versus 8.7/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, October is materially better in Hiroshima — 2.5 points higher on the same scale.
Frequently asked
- What is the weather like in Hiroshima in June?
- In June, Hiroshima averages 22°C, 219 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is June a good time to visit Hiroshima?
- June earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Hiroshima in June?
- Expect about 219 mm of rain in June. Average humidity is 84% and there are about 21 days with 6+ hours of sunshine.
Curated in Hiroshima
Tickets & experiences
Things to do in Hiroshima
Hiroshima, Japan. Live activities and tours from GetYourGuide, matched to this destination.