The best months

  • SunJune to September
  • BeachJuly to September

…

The twelve months at a glance

Month-by-month verdict for Jeju
JanFebMarAprMayJunJulAugSepOctNovDec
SunBest avoided, 20/100Best avoided, 20/100Best avoided, 20/100Best avoided, 20/100Fair, 48/100Good, 60/100Good, 61/100, Typhoon seasonGood, 63/100, Typhoon seasonGood, 65/100, Typhoon seasonFair, 52/100, Typhoon seasonBest avoided, 20/100Best avoided, 20/100
BeachBest avoided, 20/100Best avoided, 20/100Best avoided, 20/100Best avoided, 20/100Best avoided, 20/100Fair, 40/100Good, 64/100, Typhoon seasonGood, 67/100, Typhoon seasonGood, 64/100, Typhoon seasonBest avoided, 10/100, Typhoon seasonBest avoided, 20/100Best avoided, 20/100
  • Ideal
  • Good
  • Fair
  • Best avoided
  • Risk flagged

Temperatures and rain

Monthly temperatures and rain in JejuThe values are repeated in the table under the chart.0°C5°C10°C15°C20°C25°C30°CHighLowSea193 mmRainJFMAMJJASOND
See the month-by-month values
MonthHighLowSeaRain
January8°C4°C15°C80 mm
February8°C5°C14°C70 mm
March11°C7°C13°C98 mm
April15°C11°C14°C105 mm
May19°C15°C16°C112 mm
June22°C19°C20°C193 mm
July26°C24°C24°C190 mm
August28°C25°C27°C176 mm
September24°C22°C25°C171 mm
October20°C17°C22°C83 mm
November15°C12°C19°C75 mm
December10°C7°C16°C75 mm

Estimated flight time

  • From YUL : about 13 h 35 min
  • From YYZ : about 13 h 40 min
  • From YVR : about 10 h 45 min

Estimate of a nonstop flight computed from the distance: not a schedule. Connections lengthen the trip.

Getting to Jeju 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)
  • NOAA OISST v2.1

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).