Mild
Average highs are around 25°C, so days are mild rather than hot.
May verdict
Amami Oshima, Japan in May
Weather score44Mixed
Mixed for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 4.3h per day, so this is not one of the brighter months. Rainfall averages 311mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
25°C
Rain
311mm
Sun
4.3h
Sea
24°C
Weather score
44
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 311mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.3h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Amami Oshima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May25°C average high
May is close to Amami Oshima'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
May311mm average rain
May is wetter than Amami Oshima's yearly average, so flexible plans matter more.
Driest monthsJanuary to April, July, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May4.3 hours average sun
May sits close to Amami Oshima's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May24°C average sea
May is below Amami Oshima's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
May44 weather score
May sits close to Amami Oshima's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.
