Hiroshima in May
The weather in May
In May, Hiroshima averages daytime highs of 22° and night-time lows of 15° — mild weather by day. Expect around 170 mm of precipitation spread over about 11 wet days, with average cloud cover near 46%.
Days are 4.1° warmer than in April on average, and June is warmer again by about 3.4°. The sea averages 17°, bracing but swimmable.
May scores 67/100 — good conditions for sightseeing — and ranks 4th of the twelve months for Hiroshima. For the most comfortable weather, consider April, October and November instead.
Around the middle of the month the sun rises at 05:09 and sets at 19:05 local time, giving 13 h 56 min of daylight. Days lengthen by 43 minutes over the month.
Why 67/100?
How the score for May is builtBeach score this month: 31/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Festivals in Hiroshima in May
- Hiroshima Flower FestivalHiroshima
Only the month is given: the exact dates change from year to year.
Around Hiroshima this month
Kaitaichi
Japan's best in May
Kitakyūshū
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Hiroshima in May: quick answers
Is May a good time to visit Hiroshima?
May scores 67/100 for Hiroshima, which we rate as good. Average highs are 22°C with 11 wet days.
How warm is Hiroshima in May?
Daytime highs average 22°C and night-time lows 15°C in May.
Does it rain a lot in Hiroshima in May?
Hiroshima receives about 170 mm of precipitation in May, falling on around 11 days.
Can you swim in Hiroshima in May?
The sea averages 17°C in May, cold for most swimmers.