Cool
Average highs are around 20°C, so pack for cooler days.
April verdict
Mishima Islands, Japan in April
Weather score30Poor
Poor for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 246mm, so showers are a real planning factor.
April weather
Monthly averages
Temp
20°C
Rain
246mm
Sun
4.9h
Sea
20°C
Weather score
30
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 246mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Weather map
Compare Mishima Islands, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April20°C average high
April is close to Mishima Islands' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
April246mm average rain
April sits near Mishima Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March, August, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April4.9 hours average sun
April sits close to Mishima Islands' 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
April20°C average sea
April is below Mishima Islands' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
April30 weather score
April scores below Mishima Islands' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
