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Hiroshima Peace Memorial

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Hiroshima Peace Memorial Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Hiroshima Peace Memorial year round climate

  • Spring (March–May): Average 11.2–19.8°C, mild climate but with relatively high rainfall, especially in April. Common activities: Visit the Peace Memorial Park and the Atomic Bomb Dome to experience the historical atmosphere. Recommended clothing: Comfortable long-sleeved shirts, light jackets, and rain gear.
  • Summer (June–August): Average 23.7–30.0°C, hot and humid, with the most rainfall in July. Common activities: Visit museums and indoor attractions to avoid the midday sun. Recommended clothing: Light and breathable clothing, hats, and sunscreen.
  • Autumn (September–November): Average 19.7–14.4°C, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: Outdoor walks and enjoying the autumn scenery. Recommended clothing: Light jackets and long-sleeved shirts.
  • Winter (December–February): Average 7.3–6.7°C, cold and dry with less rainfall. Common activities: Visiting indoor attractions and museums. Recommended clothing: Warm jackets, scarves, and gloves.

Hiroshima Peace Memorial climatological average

Annual average temperature: approx. 17.6°C / Annual rainfall: approx. 1529 mm / Summer humidity: 70%–80% / Rainiest month: July

Hiroshima Peace Memorial monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
5.8°C
33.7
February
6.7°C
73.7
March
11.2°C
115
April
16.5°C
193.3
May
19.8°C
165.7
June
23.7°C
217
July
28.3°C
308
August
30°C
83.7
September
27.3°C
128.3
October
19.7°C
72
November
14.4°C
111
December
7.3°C
28.3

Hiroshima Peace Memorial weather for the next seven days

9/14
Monday
Light rain shower
28.3°C/21.4°C
9/15
Tuesday
Light rain shower
24.7°C/20.1°C
9/16
Wednesday
Mist
27.2°C/19.1°C
9/17
Thursday
Mist
26.1°C/18.3°C
9/18
Friday
Light rain shower
23.4°C/20.2°C
9/19
Saturday
Light rain shower
21.6°C/19.5°C
9/20
Sunday
Overcast
26.5°C/19.2°C

Hiroshima Peace Memorial Frequently Asked Questions and Useful Information for Travel

Why is the Hiroshima Peace Memorial Park famous?

The Hiroshima Peace Memorial Park is famous as a profound symbol of peace and a testament to the devastation caused by the atomic bomb. The park stands as a reminder of the approximately 140,000 lives lost and serves as a beacon of hope for a nuclear-free world. The iconic Hiroshima Peace Memorial structure, originally built in 1915 as the Hiroshima Prefectural Commercial Exhibition Hall, now bears witness to this tragic history and embodies the city's enduring spirit.

Is there still radioactivity in Hiroshima?

No, Hiroshima is not still radioactive today. Radiation levels in Hiroshima are comparable to the natural background radiation found anywhere else on Earth, making the city safe for residents and visitors. Most of the initial dangerous residual radiation decayed rapidly within days and weeks. Additionally, typhoons that struck the city shortly after the bombing helped wash away contaminated soil and debris, further reducing radiation levels. Unlike ground-level nuclear disasters, the atomic bomb dropped on Hiroshima was an airburst, resulting in significantly less fallout.

Is the Hiroshima Peace Memorial Museum worth visiting?

Yes, the Hiroshima Peace Memorial Museum is absolutely worth visiting. It provides a deeply moving and informative account of the atomic bombing and its aftermath. The museum's exhibits, including personal artifacts and survivor testimonies, offer a powerful understanding of the human cost of nuclear war. The museum is a central part of the Hiroshima Peace Memorial, which also includes the surrounding park and additional monuments, creating spaces for solemn reflection and peaceful contemplation.

What is the most famous landmark within the Hiroshima Peace Memorial Park?

The most famous landmark within the Hiroshima Peace Memorial Park is the Memorial Cenotaph. This striking monument, one of the first built in the park on August 6, 1952, is designed with an arch shape to represent a shelter for the souls of the victims. Its alignment is strategically set to frame both the Peace Flame and the A-Bomb Dome, making it a focal point for remembrance and reflection.

What is the significance of the A-Bomb Dome in Hiroshima?

The A-Bomb Dome, also known as the Hiroshima Peace Memorial, is a UNESCO World Heritage site and stands as the sole remaining structure in the immediate vicinity of the atomic bomb's hypocenter. It was the Hiroshima Prefectural Industrial Promotion Hall before the bombing. Its skeletal remains serve as a stark and poignant symbol of the catastrophic destruction caused by the atomic bomb and a powerful reminder of the urgent need for world peace. It draws millions of visitors each year, all seeking to understand and remember this pivotal moment in history.