Mild
Average highs are around 24°C, so days are mild rather than hot.
Weather Guide
Seoraksan National Park, South Korea Average Monthly Weather
Weather score35Poor annual avg
Best months: August, June, July
Across the year, average daytime temperatures are around 11°C, sunshine averages 6.3h per day, and rainfall totals about 1455mm. Sea temperatures average 16°C across the year.
Annual weather
Annual averages
Temp
11°C
Rain
1455mm
Annual total
Sun
6.3h
Sea
16°C
Weather score
35
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 310mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Seoraksan National Park, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August24°C average high
August is one of Seoraksan National Park's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August310mm average rain
August is one of Seoraksan National Park's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.7 hours average sun
August is one of Seoraksan National Park's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August24°C average sea
August is one of Seoraksan National Park's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
August45 weather score
August is one of Seoraksan National Park's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
