Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
June verdict
Kumamoto, Japan in June
Weather score47Mixed
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 4.6h per day, so this is not one of the brighter months. Rainfall averages 396mm, so showers are a real planning factor.
June weather
Monthly averages
Temp
28°C
Rain
396mm
Sun
4.6h
Sea
22°C
Weather score
47
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 396mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.6h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 22°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Kumamoto, 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
June396mm average rain
June is one of Kumamoto's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
June4.6 hours average sun
June is below Kumamoto's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
June22°C average sea
June is close to Kumamoto's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
June47 weather score
June sits close to Kumamoto's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.
Hotels near Kumamoto, Japan
Marriott
Fairfield by Marriott Kumamoto AsoAso, Kumamoto, Japan
Fairfield by Marriott Fukuoka UkihaUkiha, Fukuoka, Japan
Fairfield by Marriott Saga Ureshino OnsenUreshino, Saga, Japan
Nagasaki Marriott HotelNagasaki, Nagasaki, Japan
Four Points Flex by Sheraton Fukuoka HakataFukuoka, Fukuoka, Japan
The Ritz-Carlton, FukuokaFukuoka, Japan