Best year time to visit Jeju City

General weather information about Jeju City

Average annual temperature is 17.1 °C

Absolute maximum temperature: 30.9 °C

Absolute minimum temperature: -4.4 °C

Number of sunny days: 144 days

Number of rainy days: 216 days

Number of snow days: 5 days

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

Jeju City air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.315.120.823.128.528.130.130.928.824.024.919.9
Average daytime temperature (°C)8.49.114.417.421.524.728.129.026.520.816.012.0
Average temperature (°C)6.16.911.314.418.922.326.827.825.419.614.010.2
Average night temperature (°C)3.64.98.611.616.320.125.726.624.218.411.78.4
Absolute minimum temperature (°C)-4.40.52.46.011.515.923.424.318.715.55.51.0

Jeju City 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)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.56.08.18.27.57.76.310.69.08.86.65.1
Precipitation (mm)131107581162902162631699321170163
Sunny days121320161291810201112
Rainy days151511141921302320111918
Snow days400000000001

Jeju City - weather forecast by months

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

Best time to visit Jeju City:

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

  • August — 10.6(h)

The largest precipitation sum in Jeju City is at

  • May — 290(mm)
  • June — 216(mm)
  • July — 263(mm)

    • Weather forecast in the closest to Jeju City admin centers

    Weather forecast in the closest towns to Jeju City

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    Frequently asked questions

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