Best year time to visit Jeju-do

General weather information about Jeju-do

Average annual temperature is 12.7 °C

Absolute maximum temperature: 30.0 °C

Absolute minimum temperature: -11.6 °C

Number of sunny days: 118 days

Number of rainy days: 231 days

Number of snow days: 16 days

Look at detailed online map of Jeju-do

* Weather data for Jeju-do South Korea is based on climate observations for 2026 year

Jeju-do air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.211.819.922.225.528.229.730.027.420.921.917.7
Average daytime temperature (°C)4.16.212.715.319.823.325.526.824.718.011.77.1
Average temperature (°C)0.82.68.111.116.119.723.223.521.013.78.14.0
Average night temperature (°C)-2.4-0.34.77.613.016.921.520.718.210.35.01.3
Absolute minimum temperature (°C)-11.6-4.6-2.70.97.412.719.516.814.86.8-0.6-6.1

Jeju-do monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.410.510.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.55.87.98.07.17.15.610.18.68.86.65.2
Precipitation (mm)1891066824449034055428913420118117
Sunny days111318121171361989
Rainy days91413182023302824122218
Snow days1110000000004

Jeju-do - weather forecast by months

Jeju-do weather in januaryJeju-do weather in februaryJeju-do weather in marchJeju-do weather in aprilJeju-do weather in mayJeju-do weather in juneJeju-do weather in julyJeju-do weather in augustJeju-do weather in septemberJeju-do weather in octoberJeju-do weather in novemberJeju-do weather in december

Best time to visit Jeju-do:

The best time to visit Jeju-do during the most sunny months:

  • August — 10.1(h)

The largest precipitation sum in Jeju-do is at

  • May — 490(mm)
  • June — 340(mm)
  • July — 554(mm)
  • August — 289(mm)

    • Weather forecast in the closest to Jeju-do admin centers

    Weather forecast in the closest towns to Jeju-do

    Explore Jeju-do

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    MapTrains schedule
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    Frequently asked questions

    When is the best time to visit Jeju-do?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Jeju-do.
    What is the weather like in Jeju-do?
    See average temperature, rainfall and daylight hours for Jeju-do by month in the table above.
    How many sunny days does Jeju-do have?
    The monthly weather statistics above show sunshine and rainfall patterns for Jeju-do throughout the year.