Best year time to visit Incheon

General weather information about Incheon

Average annual temperature is 15.1 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: -8.2 °C

Number of sunny days: 161 days

Number of rainy days: 198 days

Number of snow days: 6 days

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

Incheon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.911.817.019.522.525.229.532.729.123.022.818.1
Average daytime temperature (°C)6.66.812.315.419.022.826.529.326.220.414.09.4
Average temperature (°C)4.34.39.112.616.720.524.726.723.917.911.77.2
Average night temperature (°C)1.52.46.510.314.718.823.324.621.815.59.04.8
Absolute minimum temperature (°C)-8.2-0.91.95.910.015.221.221.916.512.42.1-4.4

Incheon 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)10.110.912.013.114.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.27.38.58.07.78.47.010.68.88.56.44.8
Precipitation (mm)41474199252153385167132358271
Sunny days151722141415376201612
Rainy days13119161715282424111416
Snow days300000000003

Incheon - weather forecast by months

Incheon weather in januaryIncheon weather in februaryIncheon weather in marchIncheon weather in aprilIncheon weather in mayIncheon weather in juneIncheon weather in julyIncheon weather in augustIncheon weather in septemberIncheon weather in octoberIncheon weather in novemberIncheon weather in december

Best time to visit Incheon:

The best time to visit Incheon during the most sunny months:

  • August — 10.6(h)

The largest precipitation sum in Incheon is at

  • May — 252(mm)
  • July — 385(mm)
  • August — 167(mm)

    • Weather forecast in the closest to Incheon admin centers

    Weather forecast in the closest towns to Incheon

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    Frequently asked questions

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