Hiroshima weather in May
Hiroshima in May averages 20°C (67°F), 170 mm of rain and 6.7 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Hiroshima, May is the fifth warmest, the third wettest and the sunniest.
- Average temp
- 20°C (67°F)
15–24°C · 59–76°F
- Rainfall
- 170 mm
A wet month
- Sunshine
- 6.7 h
hours per day
- Wind
- 8 km/h
What is Hiroshima like in May?
Daytime
Days are mild.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Hiroshima in May?
A proper waterproof, not a folding umbrella
170 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
A layer for the evening
Evenings cool off noticeably once the sun is down.
May compared with April and June
May in Hiroshima is 4.9°C warmer than April and 20 mm wetter than it, which averages 15°C (59°F).
May in Hiroshima is 3.8°C cooler than June and 57 mm drier than it, which averages 24°C (74°F).
Daylight in Hiroshima in May
On 15 May the sun is up for 13 hours 58 minutes in Hiroshima, rising about 05:07 and setting about 19:05 local time.
May ends 43 minutes longer than it begins, so the last week of the month is a different length of day from the first.
Where to stay in Hiroshima
Dates are a starting point for May.
Travel guides for Hiroshima
What to read before you book.
Hiroshima weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 43°F | 49 mm |
| February | 7°C / 44°F | 66 mm |
| March | 10°C / 50°F | 123 mm |
| April | 15°C / 59°F | 151 mm |
| May | 20°C / 67°F | 170 mm |
| June | 24°C / 74°F | 228 mm |
| July | 27°C / 81°F | 299 mm |
| August | 29°C / 84°F | 137 mm |
| September | 25°C / 77°F | 153 mm |
| October | 19°C / 67°F | 116 mm |
| November | 13°C / 56°F | 67 mm |
| December | 8°C / 47°F | 58 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Hiroshima in May
May climate averages for Hiroshima, 1991–2020.
Hiroshima averages 20°C (67°F) in May, ranging from about 15°C (59°F) at night to 24°C (76°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. May brings about 170 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
No. May averages 20°C (67°F) against 24°C (74°F) in June — 3.8°C cooler.
May is 4.9°C warmer than April, and 20 mm wetter.
It is outside the easiest window. The most comfortable stretch here is August to November; May sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 6.7 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 58 minutes of daylight in mid-May, against 14 hours 27 minutes in June and 9 hours 52 minutes in December.
On 15 May, sunrise is about 05:07 and sunset about 19:05 local time. Both shift across the month — the month ends 43 minutes longer than it starts.
