Cool
Average highs are around 17°C, so pack for cooler days.
April verdict
Hongdo, South Korea in April
Weather score35Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 7.1h per day, enough for a balanced month. Rainfall averages 113mm, so some wet days are possible.
April weather
Monthly averages
Temp
17°C
Rain
113mm
Sun
7.1h
Sea
10°C
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 113mm, so some wet days are possible.
Some sun
Sunshine averages 7.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Weather map
Compare Hongdo, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April17°C average high
April is close to Hongdo'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
April113mm average rain
April sits near Hongdo's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March, May, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April7.1 hours average sun
April is brighter than Hongdo's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April10°C average sea
April is below Hongdo's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
April35 weather score
April scores below Hongdo's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsAugust to September
These months have the strongest weather score in the monthly averages.
