Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
June verdict
Amami Oshima, Japan in June
Weather score50Mixed
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 4.8h per day, so this is not one of the brighter months. Rainfall averages 392mm, so showers are a real planning factor.
June weather
Monthly averages
Temp
28°C
Rain
392mm
Sun
4.8h
Sea
26°C
Weather score
50
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 392mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 26°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
June28°C average high
June 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
June392mm average rain
June is one of Amami Oshima's wettest months, so rain is likely to be a major planning factor.
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
June4.8 hours average sun
June 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
June26°C average sea
June is close to Amami Oshima's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
June50 weather score
June scores above Amami Oshima's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.
