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When is the best time to visit Hiroshima?

The best time to visit Hiroshima is between August and November, the most comfortable stretch of the year on these averages.

Hiroshima has four seasons without a desert summer or a guaranteed freeze. Pack for mixed weather. The good outdoor weeks are real, and so are the grey ones. Hiroshima is a city in Japan. This page is about Hiroshima, not a country average.

Most visitors come for cities, walking and the milder stretch of the year. Treat midwinter as museums and food unless you like weather for its own sake. The monthly table owns the averages. This layer is how Hiroshima actually feels.

Part of Japan weather.

Hiroshima
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Spring

Spring in Hiroshima is when the year becomes walkable again. March, April and May are mixed: bright days, wet days, and the odd reminder that winter has not fully left.

In Hiroshima the meteorological summer is June, July and August and winter is December, January and February. This is a good month-range for a city break that wants outdoor hours without betting the packing list on heat. Carry a shell.

Read Hiroshima in this stretch as its own climate, not as a generic holiday season copied from another destination.

Summer

Summer in Hiroshima is the most usable stretch of the year: June, July and August. Long days, milder nights, and outdoor weather that makes a city break feel like a holiday.

In Hiroshima the meteorological summer is June, July and August and winter is December, January and February. It is still a mixed-sky climate. A grey afternoon is not a surprise. Pack for sitting outside and for the hour you duck into a museum because the sky decided otherwise.

Read Hiroshima in this stretch as its own climate, not as a generic holiday season copied from another destination.

Autumn

Autumn in Hiroshima is the second spring, then a slide: September, October and November. Early weeks are for walking. Later weeks are for jackets and shorter outdoor plans.

In Hiroshima the meteorological summer is June, July and August and winter is December, January and February. Rain returns as a planning constraint. Hiroshima in these months is still a good city-break climate if you pack for weather instead of for a brochure afternoon.

Read Hiroshima in this stretch as its own climate, not as a generic holiday season copied from another destination.

Winter

Winter in Hiroshima is grey, wet and short on daylight: December, January and February. Snow is possible and not the identity of the season. Museums, food and walking between showers are the trip.

In Hiroshima the meteorological summer is June, July and August and winter is December, January and February. A bright winter afternoon in Hiroshima is worth going out for. The rest of the day is not a failed summer. It is the climate this place actually has.

Read Hiroshima in this stretch as its own climate, not as a generic holiday season copied from another destination.

Hiroshima weather by month

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 1 Oct 2026358 places covered

Average temperature and rainfall, month by month

Every figure below is a 1991–2020 climate normal for Hiroshima, in °C and °F. Open a month for what to expect and what to pack.

Hiroshima weather by month: average temperature, rainfall, sunshine and wind for each month, from 1991–2020 climate normals
MonthAverageRainfall
January6°C / 43°F49 mm
February7°C / 44°F66 mm
March10°C / 50°F123 mm
April15°C / 59°F151 mm
May20°C / 67°F170 mm
June24°C / 74°F228 mm
July27°C / 81°F299 mm
August29°C / 84°F137 mm
September25°C / 77°F153 mm
October19°C / 67°F116 mm
November13°C / 56°F67 mm
December8°C / 47°F58 mm

Where to stay in Hiroshima

Dates are a starting point for August.

All hotels in Hiroshima

Travel guides for Hiroshima

What to read before you book.

All travel guides in Hiroshima

Check another month

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FAQs about Hiroshima weather

Climate averages for Hiroshima, 1991–2020.

The best time to visit Hiroshima is between August and November, the most comfortable stretch of the year on these averages.

August is the hottest month, with an average around 29°C.

July is the wettest month, with about 299 mm of rain.

Hiroshima has a distinct rainy season from June to July, peaking in July at about 299 mm. The dry season runs from August to May.

January is the coolest month, averaging 6°C (43°F) against 29°C (84°F) in August.

This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what each month is usually like, which is what you want when booking ahead. For today or the coming week, check a live forecast.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.