Mild
Average highs are around 22°C, so days are mild rather than hot.
May verdict
Hiroshima City, Hiroshima, Japan in May
Weather score42Mixed
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 154mm, so some wet days are possible.
May weather
Monthly averages
Temp
22°C
Rain
154mm
Sun
6.4h
Sea
17°C
Weather score
42
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 154mm, so some wet days are possible.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Hiroshima City, Hiroshima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May22°C average high
May is close to Hiroshima City's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May154mm average rain
May sits near Hiroshima City's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.4 hours average sun
May is brighter than Hiroshima City's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May17°C average sea
May is below Hiroshima City's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
May42 weather score
May sits close to Hiroshima City's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsAugust to September
These months have the strongest weather score in the monthly averages.
