Cool
Average highs are around 16°C, so pack for cooler days.
April verdict
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 91mm, so some wet days are possible.
Monthly averages
Temp
16°C
Rain
91mm
Sun
7.6h
Sea
8°C
Weather score
33
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Showers
Rainfall averages 91mm, so some wet days are possible.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 8°C, so the water can feel cool.
Map
Compare Incheon, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
April16°C average high
April is close to Incheon'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.
April91mm average rain
April sits on the drier side of Incheon's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April7.6 hours average sun
April is brighter than Incheon's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
April8°C average sea
April is below Incheon's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
April33 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 monthsJune and August to September
These months have the strongest weather score in the monthly averages.