Best time to visit Seoul
Our pick for sun: May to June, September.
The best months
- SunMay to June, September
- CityApril to May, September to October
…
The twelve months at a glance
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sun | Best avoided, 20/100 | Best avoided, 20/100 | Best avoided, 20/100 | Fair, 37/100 | Ideal, 82/100 | Ideal, 85/100 | Fair, 48/100, Heavy rain | Fair, 56/100, Heavy rain | Ideal, 90/100 | Good, 61/100 | Best avoided, 20/100 | Best avoided, 20/100 |
| City | Best avoided, 20/100 | Best avoided, 20/100 | Good, 64/100 | Ideal, 87/100 | Ideal, 85/100 | Good, 76/100 | Fair, 43/100, Heavy rain | Fair, 42/100, Heavy rain | Ideal, 85/100 | Ideal, 91/100 | Good, 66/100 | Best avoided, 20/100 |
- Ideal
- Good
- Fair
- Best avoided
- Risk flagged
Temperatures and rain
See the month-by-month values
| Month | High | Low | Rain |
|---|---|---|---|
| January | 2°C | -7°C | 21 mm |
| February | 5°C | -5°C | 28 mm |
| March | 11°C | 0°C | 40 mm |
| April | 18°C | 6°C | 72 mm |
| May | 23°C | 12°C | 98 mm |
| June | 27°C | 18°C | 130 mm |
| July | 28°C | 22°C | 319 mm |
| August | 29°C | 22°C | 263 mm |
| September | 26°C | 17°C | 127 mm |
| October | 20°C | 9°C | 56 mm |
| November | 12°C | 2°C | 49 mm |
| December | 4°C | -5°C | 25 mm |
Estimated flight time
- From YUL : about 13 h 05 min
- From YYZ : about 13 h 10 min
- From YVR : about 10 h 25 min
Estimate of a nonstop flight computed from the distance: not a schedule. Connections lengthen the trip.
Getting to Seoul with points
Keep going
Where this data comes from
Temperatures, sunshine and rain: monthly normals we computed over 1991-2020. These are estimates from a climate reanalysis, not station readings.
- ERA5 reanalysis-era5-single-levels-timeseries (C3S, CC-BY)
Contains modified Copernicus Climate Change Service information (ERA5, 2026, CC BY 4.0 licence). Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains. Sea temperature: NOAA OISST v2.1 (Huang et al., 2021, J. Climate 34, doi:10.1175/JCLI-D-20-0166.1).