Cool
Average highs are around 18°C, so pack for cooler days.
April verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.7h per day, enough for a balanced month. Rainfall averages 149mm, so some wet days are possible.
Monthly averages
Temp
18°C
Rain
149mm
Sun
6.7h
Sea
15°C
Weather score
32
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Showers
Rainfall averages 149mm, so some wet days are possible.
Some sun
Sunshine averages 6.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Busan, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
April18°C average high
April is close to Busan'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.
April149mm average rain
April sits near Busan's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April6.7 hours average sun
April sits close to Busan's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
April15°C average sea
April is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
April32 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 October
These months have the strongest weather score in the monthly averages.