Japan Hiroshima Weather in June — Climate Guide
June in Hiroshima is moderate
Hiroshima Weather in June — Quick Answer
As of 2026- Avg temp
- 27° / 19°
- Rainfall
- 230mm · 13 days
- Crowds
- Moderate
As of 2026, Hiroshima in June averages a high of 27°C and low of 19°C with 230mm of rain over about 13 days. Hot + rainy (tsuyu). T-shirt + raincoat.
June is moderate for Hiroshima.
Tsuyu rainy season Jun-mid July — 230mm rain. Tokasan Festival (early June) is Buddhist festival highlight.
Travel score
Hiroshima June Weather Stats
Avg High
27°C
Avg Low
19°C
Rainy Days
13
230mm total
Sunshine
5h
Daily avg
Humidity
75%
high
UV Index
7
High
Wind
7 km/h
Gusts 18
Sea Temp
22°C
swimming
Crowds
Moderate
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
16 μg/m³
PM10
26 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
29°C
Nighttime
19°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 18 km/h
Activities Recommended for June
June Travel Pros & Cons
Pros
- Hotels 30-40% off summer
- Tokasan Festival
- Indoor focus easy
Cons
- 230mm rain
- Humid 75%
- Outdoor Peace Park soggy
June Events & Festivals
- Tsuyu rainy season begins
- Tokasan Festival (early June)
Hiroshima in June — Full Picture
Tsuyu rainy season Jun-mid July — 230mm rain. Tokasan Festival (early June) is Buddhist festival highlight.
What to Wear & What to Pack
Hot + rainy (tsuyu). T-shirt + raincoat.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
18.7°C
9.7°C
10/mo
Summer (Jun·Jul·Aug)
Current30.3°C
22.3°C
10.7/mo
Autumn (Sep·Oct·Nov)
23°C
14°C
7.3/mo
Winter (Dec·Jan·Feb)
11°C
2.7°C
6.7/mo
Hiroshima Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 10° | 2° | 7d·50mm | 5h | 65% | 2 | Quiet | Low season | |
| 11° | 2° | 7d·60mm | 6h | 65% | 3 | Quiet | Low season | |
| March (Best) | 14° | 5° | 10d·110mm | 7h | 65% | 4 | Very busy | Peak |
| April (Best) | 19° | 10° | 10d·130mm | 8h | 65% | 6 | Very busy | Peak |
| 23° | 14° | 10d·130mm | 8h | 70% | 7 | Very busy | Peak | |
| 27° | 19° | 13d·230mm | 5h | 75% | 7 | Moderate | Shoulder | |
| 31° | 24° | 11d·250mm | 6h | 75% | 9 | Busy | Peak | |
| 33° | 24° | 8d·130mm | 8h | 73% | 10 | Very busy | Peak | |
| 29° | 20° | 10d·200mm | 6h | 75% | 6 | Moderate | Shoulder | |
| October (Best) | 23° | 14° | 6d·100mm | 7h | 70% | 5 | Busy | Peak |
| November (Best) | 17° | 8° | 6d·80mm | 5h | 65% | 3 | Busy | Peak |
| 12° | 4° | 6d·50mm | 5h | 65% | 2 | Moderate | Shoulder |
View Other Months
Hiroshima June Hotel Picks
Frequently Asked Questions
Is June a good time to visit Hiroshima?
Hiroshima in June is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Hiroshima in June?
Hiroshima June averages a high of 27°C and a low of 19°C.
Does it rain much in Hiroshima in June?
Hiroshima June averages 230mm of rainfall over about 13 rainy days.
What should I wear in Hiroshima in June?
Hot + rainy (tsuyu). T-shirt + raincoat.
What time are sunrise and sunset in Hiroshima in June?
Hiroshima June sunrise is 05:00 and sunset is 19:25, with 14h 25min of daylight.
What's the air quality like in Hiroshima in June?
Hiroshima June air quality (AQI) averages 45, rated Good. PM2.5 averages 16μg/m³.
What activities are recommended in Hiroshima in June?
In June, Hiroshima is great for Indoor: Peace Memorial Museum, Hiroshima Castle, Tokasan Festival, Onsen day trips.
Is June peak season in Hiroshima?
Hiroshima June crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Hiroshima
View Other Months
Planning a June trip to Hiroshima?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.