Winter (December to February)
Cool weather with highs around 10° and lows near 1°, a few showers (8 rainy days per month on average). Not an ideal time for a leisure trip.
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When to visit Japan
Climate · 10-year averages
When to visit Hiroshima?
Best time to visit Hiroshima: from April to Mayandfrom September to November. Month-by-month temperatures, rainfall and sunshine, based on ten years of weather data.
Best time to go
From April to Mayandfrom September to November
Hottest month
August · 31°
Coldest month
January · 1°
Wettest month
July · 289 mm
Climate month by month
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
- JanuaryMitigé
9° / 1°
- Rain
- 62 mm · 7 d
- Sunshine
- 7.3 h/day
- Humidity
- 71%
- FebruaryMitigé
10° / 1°
- Rain
- 61 mm · 8 d
- Sunshine
- 8.0 h/day
- Humidity
- 70%
- MarchCorrect
14° / 4°
- Rain
- 114 mm · 10 d
- Sunshine
- 8.6 h/day
- Humidity
- 73%
- AprilTrès bien
18° / 8°
- Rain
- 158 mm · 9 d
- Sunshine
- 8.9 h/day
- Humidity
- 74%
- MayIdéal
22° / 13°
- Rain
- 137 mm · 9 d
- Sunshine
- 9.4 h/day
- Humidity
- 76%
- JuneCorrect
25° / 18°
- Rain
- 208 mm · 15 d
- Sunshine
- 8.6 h/day
- Humidity
- 82%
- JulyMitigé
29° / 23°
- Rain
- 289 mm · 15 d
- Sunshine
- 9.1 h/day
- Humidity
- 85%
- AugustMitigé
31° / 24°
- Rain
- 230 mm · 14 d
- Sunshine
- 9.9 h/day
- Humidity
- 81%
- SeptemberTrès bien
27° / 20°
- Rain
- 211 mm · 13 d
- Sunshine
- 8.4 h/day
- Humidity
- 80%
- OctoberIdéal
22° / 13°
- Rain
- 109 mm · 8 d
- Sunshine
- 8.3 h/day
- Humidity
- 75%
- NovemberIdéal
17° / 8°
- Rain
- 59 mm · 7 d
- Sunshine
- 8.0 h/day
- Humidity
- 76%
- DecemberMitigé
11° / 3°
- Rain
- 68 mm · 8 d
- Sunshine
- 7.1 h/day
- Humidity
- 73%
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Our take, season by season
Spring (March to May)
Mild weather with highs around 18° and lows near 8°, regular rain (9 rainy days per month on average). It's a great time to go.
Summer (June to August)
Pleasant warmth with highs around 28° and lows near 21°, regular rain (15 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Fall (September to November)
Mild weather with highs around 22° and lows near 14°, regular rain (9 rainy days per month on average). It's a great time to go.
Frequently asked questions
- When is the best time to visit Hiroshima?
- The best time to visit Hiroshima is from April to Mayandfrom September to November, with highs between 17° and 27° and few rainy days.
- What is the hottest month in Hiroshima?
- August is the hottest month, with an average high of 31 °C.
- What is the coldest month in Hiroshima?
- January is the coldest month, with an average low of 1 °C.
- When does it rain the most in Hiroshima?
- July is the wettest month (289 mm, about 15 rainy days). The driest is November (59 mm).
More practical info: Japan
- Country guideEverything about a country on one page: time, weather, currency, plugs, emergency numbers, tipping, visas.
- WeatherTemperature, rain, wind, and UV index for every capital.
- Air qualityPollution, fine particulate matter, and ozone, with a 36-hour forecast.
- Local timeLive clock, time zone, and time difference from where you are.
- Public holidaysEvery public holiday of the year, plus the next one coming up.
- Power OutletsPlug type, voltage, and whether your devices need an adapter.
- Driving SideWhich side of the road to drive on and which license you need before renting a car.
- Emergency NumbersPolice, ambulance, and fire department numbers for every country.
- TippingHow much to tip at restaurants, in taxis, and at hotels.
- Dialing CodesHow to call a country from abroad.
- Salat TimesFajr, Dhuhr, Asr, Maghrib, Isha, and Imsak times in every capital.
- QiblaReal-time compass pointing to the Kaaba from your GPS location.
- Visa requirements from FranceDo you need a visa for Japan?