Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Weather Guide
Wonsan, North Korea Average Monthly Weather
Weather score40Mixed annual avg
Best months: August, June, September
Across the year, average daytime temperatures are around 15°C, sunshine averages 6.4h per day, and rainfall totals about 1390mm. Sea temperatures average 13°C across the year.
Annual weather
Annual averages
Temp
15°C
Rain
1390mm
Annual total
Sun
6.4h
Sea
13°C
Weather score
40
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 329mm, so showers are a real planning factor.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Wonsan, North Korea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August27°C average high
August is one of Wonsan'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
August329mm average rain
August is one of Wonsan'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
August6 hours average sun
August is below Wonsan's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August25°C average sea
August is one of Wonsan'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
August55 weather score
August is one of Wonsan'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.