Cool
Average highs are around 9°C, so pack for cooler days.
December verdict
Hongdo, South Korea in December
Weather score29Poor
Poor for holiday weather
Average highs are around 9°C, so pack for cooler days. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 29mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
9°C
Rain
29mm
Sun
4.7h
Sea
12°C
Weather score
29
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 29mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 12°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
December9°C average high
December is on the cooler side of Hongdo's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December29mm average rain
December is one of Hongdo's driest months, making outdoor days easier to plan than in wetter parts of the year.
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
December4.7 hours average sun
December is one of Hongdo's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December12°C average sea
December 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
December29 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsAugust to September
These months have the strongest weather score in the monthly averages.
