Cool
Average highs are around 20°C, so pack for cooler days.
April verdict
Osaka, Osaka, Japan in April
Weather score32Poor
Poor for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 136mm, so some wet days are possible.
April weather
Monthly averages
Temp
20°C
Rain
136mm
Sun
5.6h
Sea
14°C
Weather score
32
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 136mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Osaka, Osaka, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April20°C average high
April is close to Osaka'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
April136mm average rain
April sits near Osaka's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April5.6 hours average sun
April sits close to Osaka's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April14°C average sea
April is below Osaka'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
April32 weather score
April scores below Osaka's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.
