MayChugoku & Shikoku Weather Guide
Hiroshima & Miyajima Weather & What to Wear
Hiroshima, Miyajima, Itsukushima Shrine, Atomic Bomb Dome
The area covering Miyajima, home to the World Heritage Itsukushima Shrine, and central Hiroshima City with the Atomic Bomb Dome and Peace Memorial Park. Facing the Seto Inland Sea, it gets lots of sunny days and relatively mild winters, but summers are hot and humid.
- January low
- 2.0℃
- August high
- 32.8℃
- Max snow depth
- 3cm
Forecast
Forecast: Today & the Next 7 Days
JMA forecast issued Oct 22, 11 AM
Every 3 Hours: Today & Tomorrow
- Today12 PMSunny23°☂ 0%6–9m/s
- 3 PMSunny24°☂ 0%6–9m/s
- 6 PMSunny20°☂ 0%6–9m/s
- 9 PMSunny18°☂ 0%6–9m/s
- Tomorrow12 AMSunny16°☂ 0%6–9m/s
- 3 AMSunny15°☂ 0%6–9m/s
- 6 AMSunny14°☂ 0%6–9m/s
- 9 AMSunny16°☂ 0%6–9m/s
- 12 PMSunny21°☂ 10%3–5m/s
- 3 PMCloudy22°☂ 10%3–5m/s
- 6 PMCloudy20°☂ 50%6–9m/s
- 9 PMRain18°☂ 50%6–9m/s
Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period.
- Today10/22(Thu)Sunny25°/16°Observed: 16°☂ 0%
- Tomorrow10/23(Fri)Sunny, then rain23°/14°☂ 50%
- 10/24(Sat)Rain22°/17°☂ 80%
- 10/25(Sun)Cloudy, rain at times24°/21°☂ 80%Reliability A
- 10/26(Mon)Cloudy, rain at times23°/21°☂ 70%Reliability A
- 10/27(Tue)Cloudy, brief rain24°/17°☂ 50%Reliability C
- 10/28(Wed)Sunny, cloudy at times21°/13°☂ 20%Reliability A
- ☂ Chance of rain
- From day 3, the weekly forecast covers a wider prefecture-level area.
- Reliability of the weekly forecast (A: high, B: fairly high, C: fairly low)
- "Observed" is the temperature measured so far today by JMA weather stations (AMeDAS), not a forecast.
- Source: Japan Meteorological Agency (weather forecast)
Best Season
Best Time to Visit Hiroshima & Miyajima
For comfortable weather
May and October bring lots of sunny days, with highs around 24°C — ideal for strolling Miyajima and sightseeing in the city.
Climate
Hiroshima & Miyajima Temperature & Snow Through the Year
Monthly high / low temperature (°C)
HighLow
Monthly max snow depth (cm)
Month by Month
Month-by-Month Weather & What to Wear
| Month | High | Low | Precip. | Max snow depth | What to wear |
|---|---|---|---|---|---|
| Jan | 9.9℃ | 2.0℃ | 46.2mm | 3cm | Warm jacketLight down or winter coat, sweater |
| Feb | 10.9℃ | 2.4℃ | 64mm | 3cm | Warm jacketLight down or winter coat, sweater |
| Mar | 14.5℃ | 5.1℃ | 118.3mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Apr | 19.8℃ | 10.1℃ | 141mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| May | 24.4℃ | 15.1℃ | 169.8mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jun | 27.2℃ | 19.8℃ | 226.5mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Jul | 30.9℃ | 24.1℃ | 279.8mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Aug | 32.8℃ | 25.1℃ | 131.4mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Sep | 29.1℃ | 21.1℃ | 162.7mm | — | T-shirtT-shirt, with a light layer for evenings and air conditioning |
| Oct | 23.7℃ | 14.9℃ | 109.2mm | — | T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings |
| Nov | 17.7℃ | 8.9℃ | 69.3mm | — | Long sleeves + jacketLong sleeves with a light jacket or hoodie |
| Dec | 12.1℃ | 4.0℃ | 54mm | 2cm | Warm jacketLight down or winter coat, sweater |
Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.
Where to Stay · Agoda
Places to Stay near Hiroshima & MiyajimaPR
PR8.9リーガロイヤルホテル広島
★★★★★Check rates on Agoda14,773 reviews0.4 km from center
PR9.1ホテルグランヴィア広島
★★★★Check rates on Agoda8,859 reviews1.4 km from center
PR8.5アパホテル 〈広島駅前大橋〉
★★★Check rates on Agoda10,966 reviews1.2 km from center
PR8.8広島ワシントンホテル
★★★★Check rates on Agoda7,748 reviews0.9 km from center
PR8.9ザ ノット 広島
★★★★Check rates on Agoda6,472 reviews1.3 km from center
PR8.9相鉄フレッサイン広島駅前
★★★Check rates on Agoda6,329 reviews1.6 km from center
Prices and availability are shown on Agoda.
Seasons
Hiroshima & Miyajima Through the Seasons
🌸
Spring
Mar–MayThe average cherry blossom opening date is March 25. April highs are around 20°C and mornings around 10°C, so bring a light jacket.
☀️
Summer
Jun–AugThe rainy season runs from June to mid-July. August highs are around 33°C, with a long run of hot, humid days.
🍁
Autumn
Sep–NovWatch out for lingering heat and typhoons in September. October brings more clear autumn days, and autumn leaf season starts in mid-November.
❄️
Winter
Dec–FebHighs of 10–12°C, mornings around 2°C. Snow rarely settles, so a thick coat is all you need for sightseeing.
Events
Events & festivals in Hiroshima & Miyajima
May
July–AugustKangensai Festival at Itsukushima Shrine
Chugoku & Shikoku ・ Hiroshima & Miyajima
Every year on the 17th day of the 6th lunar month (between July and early August on the modern calendar, depending on the year)
Autumn Leaves
Autumn Leaves in Hiroshima & Miyajima
Gorge🍁 Typical peak
ParkMomijidani Park (Miyajima)
Chugoku & Shikoku ・ Hiroshima & Miyajima
🍁 Typical peak: Mid Nov – Late Nov
Attractions
Attractions in Hiroshima & Miyajima
AquariumMiyajima Public Aquarium (Miyaji-Marine)
Chugoku & Shikoku ・ Hiroshima & Miyajima
An aquarium themed on the Seto Inland Sea, on Miyajima, home of the World Heritage-listed Itsukushima Shrine. It reopened after renovation in 2011 and displays more than 15,000 creatures of 380 species, centered on Seto Inland Sea life. It will be closed from December 1, 2026 to March 31, 2027 for equipment upgrades and repair work, so visit by November 30.
Travel Passes
Travel passes you can use in Hiroshima & Miyajima
🚄 JRKansai-Hiroshima Area Pass
Kansai ・ 5 consecutive days (from 0:00 on the first day to 24:00 on the last day)
From ¥17,000
🚄 JR
🚄 JRSanyo-San'in Area Pass
Chugoku & Shikoku ・ 7 consecutive days (from 0:00 on the first day to 24:00 on the last day)
From ¥23,000
🚄 JRJapan Rail Pass
Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed
From ¥50,000
Getting Around
Getting to and from Hiroshima & Miyajima
Tokyo → Hiroshima
Fastest: Approx. 4 hr (example: Nozomi 89, dep. Tokyo 20:00 → arr. Hiroshima 23:54)
🚄 Shinkansen✈ Flight🌙 Overnight bus
Osaka → Hiroshima
Fastest: About 1 hr 25 min (e.g. Nozomi No. 89 departs Shin-Osaka 22:29 → arrives Hiroshima 23:54)
🚄 Shinkansen🚌 Highway bus🌙 Overnight bus
Plan Your Trip
Plan Your Hiroshima & Miyajima TripPR
Other Areas
Weather in Other Areas
Onomichi & Shimanami KaidoOkayama & KurashikiIzumo & MatsueTottoriHagi, Tsunoshima & AkiyoshidaiTakamatsu, Naoshima & ShodoshimaTokushima, Naruto & IyaMatsuyama & Dogo OnsenKochi & Shimanto
Back to the Chugoku & Shikoku Weather Guide (all months & areas) →
Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Hiroshima station; actual weather varies from year to year.
