Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Weather Guide
Jirisan National Park, South Korea Average Monthly Weather
Weather score39Poor annual avg
Best months: August, September, July
Across the year, average daytime temperatures are around 16°C, sunshine averages 6.3h per day, and rainfall totals about 1591mm. Sea temperatures average 17°C across the year.
Annual weather
Annual averages
Temp
16°C
Rain
1591mm
Annual total
Sun
6.3h
Sea
17°C
Weather score
39
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 284mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.7h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Jirisan National Park, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August28°C average high
August is one of Jirisan National Park's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August284mm average rain
August is wetter than Jirisan National Park's yearly average, so flexible plans matter more.
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
August6.7 hours average sun
August sits close to Jirisan National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August26°C average sea
August is one of Jirisan National Park's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
August59 weather score
August is one of Jirisan National Park's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsAugust to September
These months have the strongest weather score in the monthly averages.
