Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Weather Guide
Hongseong, South Korea Average Monthly Weather
Weather score43Mixed annual avg
Best months: September, August, June
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.7h per day, and rainfall totals about 1226mm. Sea temperatures average 14°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1226mm
Annual total
Sun
6.7h
Sea
14°C
Weather score
43
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 248mm, so showers are a real planning factor.
Some sun
Sunshine averages 7.1h 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 Hongseong, South Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August30°C average high
August is one of Hongseong'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
August248mm average rain
August is one of Hongseong'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
August7.1 hours average sun
August sits close to Hongseong's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August24°C average sea
August is one of Hongseong'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
August60 weather score
August is one of Hongseong'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.
