Seoul weather
Loading live data…Latest for Seoul: European (ECMWF): 15° Overcast · American (NOAA GFS): 16° Overcast · German (DWD ICON): 14° Overcast.
The weather map: all three models at once
European, American, German side by side around Seoul and nearby towns.Live rain radar →Hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
10-day forecast, out to 14 days
where the models agree, and where they splitHeading to Seoul? Seoul, South Korea, sits at 37.6°N in a temperate climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Seoul right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.
Best time to visit Seoul
The most comfortable time to visit Seoul is usually April, May, September and October, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.
Seoul weather by month
what to expect in Seoul through the year, 1991-2020 normals, Seoul (WMO)Here is Seoul's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Seoul by season.
Seoul compared with Sydney
30-year averages: daytime highs month by month, rain and sunlightCooler through the year
average daytime high: Seoul 17°C, Sydney 23°C
Rain over a year
Seoul 1,418 mm, Sydney 1,148 mm
Sunlight vs a clear sky
solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)
On 30-year averages Seoul runs 6°C cooler than Sydney, with every month between −25°C and +11°C. Over a year it gets 24% more rain than Sydney.
Month by month in numbers
| Month | Seoul | Sydney | Difference | Sunlight, Seoul | Sunlight, Sydney |
|---|---|---|---|---|---|
| January | 2°C | 27°C | −25°C | 83% | 75% |
| February | 5°C | 28°C | −23°C | 82% | 73% |
| March | 11°C | 26°C | −15°C | 82% | 75% |
| April | 18°C | 24°C | −6°C | 78% | 77% |
| May | 24°C | 22°C | +2°C | 78% | 79% |
| June | 28°C | 18°C | +10°C | 74% | 74% |
| July | 29°C | 18°C | +11°C | 62% | 80% |
| August | 30°C | 20°C | +10°C | 70% | 82% |
| September | 26°C | 22°C | +4°C | 76% | 82% |
| October | 20°C | 24°C | −4°C | 84% | 77% |
| November | 12°C | 25°C | −13°C | 79% | 74% |
| December | 4°C | 27°C | −23°C | 80% | 74% |
Daytime highs and lows on this page are 1991-2020 averages. Seoul: station normals from Seoul (WMO), rain included. Sydney: station normals from Sydney Observatory Hill (WMO), rain included. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. Sydney stands in for Australia here; other cities have their own climate tables.