Hiroshima: Weather Guide & Climate
Complete month-by-month weather guide: Hiroshima. Best time to visit: March, April, October, November. Plan your trip with detailed climate data.
Climate Overview
Hiroshima has a moderate climate with average yearly highs of 20°C, lows of 12°C, and approximately 10 rainy days per month.
The best time to visit Hiroshima is during March, April, October, November, when conditions are perfect for sightseeing and exploration
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Air Quality
Best Time
Mar, Apr, Oct, Nov
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 11°C | 4°C | 9 | Good |
| February | 11°C | 2°C | 7 | Good |
| March | 14°C | 5°C | 13 | Excellent (best) |
| April | 16°C | 7°C | 8 | Excellent (best) |
| May | 23°C | 14°C | 9 | Good |
| June | 26°C | 19°C | 14 | Wet |
| July | 27°C | 22°C | 25 | Wet |
| August | 32°C | 25°C | 5 | Good |
| September | 28°C | 20°C | 16 | Wet |
| October | 22°C | 13°C | 5 | Excellent (best) |
| November | 17°C | 8°C | 6 | Excellent (best) |
| December | 11°C | 3°C | 5 | Good |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 11°C
Low: 3°C
Rainy days: 7 days/month
Spring
Mar–May
High: 18°C
Low: 9°C
Rainy days: 10 days/month
Summer
Jun–Aug
High: 28°C
Low: 22°C
Rainy days: 15 days/month
Autumn
Sep–Nov
High: 22°C
Low: 14°C
Rainy days: 9 days/month
Month-by-Month Weather Table
January
February
March
BestApril
BestMay
June
July
August
September
October
BestNovember
BestDecember
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 11°C | 4°C | 9 | Good | View Details → |
| February | 11°C | 2°C | 7 | Good | View Details → |
| March (best) | 14°C | 5°C | 13 | Excellent | View Details → |
| April (best) | 16°C | 7°C | 8 | Excellent | View Details → |
| May | 23°C | 14°C | 9 | Good | View Details → |
| June | 26°C | 19°C | 14 | Wet | View Details → |
| July | 27°C | 22°C | 25 | Wet | View Details → |
| August | 32°C | 25°C | 5 | Good | View Details → |
| September | 28°C | 20°C | 16 | Wet | View Details → |
| October (best) | 22°C | 13°C | 5 | Excellent | View Details → |
| November (best) | 17°C | 8°C | 6 | Excellent | View Details → |
| December | 11°C | 3°C | 5 | Good | View Details → |
Hiroshima
Peace Memorial with Peace Memorial Park and Miyajima Island & Itsukushima Shrine, floating shrine at Miyajima, and okonomiyaki cuisine.
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Common Questions
What type of climate does Hiroshima have?
Hiroshima has a Moderate climate with average yearly temperatures of 20°C (highs) and 12°C (lows).
When is the best time to visit Hiroshima?
The best time to visit Hiroshima is during March, April, October, November, when temperatures average around 14°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Hiroshima?
The hottest month in Hiroshima is August with average highs of 32°C, while the coldest is February with average lows of 2°C.
When is the rainy season in Hiroshima?
Hiroshima sees the most rain in July (25 rainy days), while August is the driest month (5 rainy days).
More Hiroshima Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Hiroshima: top things to do, itineraries, and typical costs.