Mild
Average highs are around 24°C, so days are mild rather than hot.
May verdict
Hachijojima, Japan in May
Weather score54Mixed
Mixed for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 205mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
24°C
Rain
205mm
Sun
0h
Sea
22°C
Weather score
54
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 205mm, so showers are a real planning factor.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 22°C, so the water can feel cool.
Map
Weather map
Compare Hachijojima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May24°C average high
May is close to Hachijojima's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to October
This stretch sets the upper range for average daytime heat.
Rain
May205mm average rain
May sits near Hachijojima's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March, August, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May0 hours average sun
May is close to Hachijojima's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
May22°C average sea
May is below Hachijojima's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
May54 weather score
May sits close to Hachijojima's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
