Cool
Average highs are around 16°C, so pack for cooler days.
April verdict
Aso, Kumamoto, Japan in April
Weather score17Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 224mm, so showers are a real planning factor.
April weather
Monthly averages
Temp
16°C
Rain
224mm
Sun
5.2h
Sea
16°C
Weather score
17
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 224mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Aso, Kumamoto, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April16°C average high
April is close to Aso'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
April224mm average rain
April sits near Aso's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April5.2 hours average sun
April is brighter than Aso's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to May, July to August, and October
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April16°C average sea
April is below Aso's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
April17 weather score
April is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
