Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
May verdict
Yonaguni, Japan in May
Weather score56Good
Good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 4.5h per day, so this is not one of the brighter months. Rainfall averages 216mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
28°C
Rain
216mm
Sun
4.5h
Sea
27°C
Weather score
56
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 216mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.5h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Yonaguni, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May28°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May216mm average rain
May is wetter than Yonaguni's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May4.5 hours average sun
May sits close to Yonaguni'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
May27°C average sea
May is close to Yonaguni's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
May56 weather score
May scores above Yonaguni's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to October
These months have the strongest weather score in the monthly averages.
