Best year time to visit Yachon

General weather information about Yachon

Average annual temperature is 14.8 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: -10.0 °C

Number of sunny days: 185 days

Number of rainy days: 178 days

Number of snow days: 2 days

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

Yachon air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.613.121.922.424.328.431.334.430.323.723.617.9
Average daytime temperature (°C)6.39.114.516.920.124.327.129.626.721.114.18.8
Average temperature (°C)2.54.710.213.316.921.324.526.723.617.110.25.3
Average night temperature (°C)-1.01.36.59.914.218.822.524.321.113.86.72.2
Absolute minimum temperature (°C)-10.0-2.8-2.54.29.216.019.222.117.39.6-0.9-5.7

Yachon 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)7.87.48.67.87.88.57.010.38.28.88.17.2
Precipitation (mm)505154185264254452329292135474
Sunny days25182114129568232321
Rainy days61010161921262522878
Snow days000000000002

Yachon - weather forecast by months

Yachon weather in januaryYachon weather in februaryYachon weather in marchYachon weather in aprilYachon weather in mayYachon weather in juneYachon weather in julyYachon weather in augustYachon weather in septemberYachon weather in octoberYachon weather in novemberYachon weather in december

Best time to visit Yachon:

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

  • August — 10.3(h)

The largest precipitation sum in Yachon is at

  • May — 264(mm)
  • June — 254(mm)
  • July — 452(mm)
  • August — 329(mm)
  • September — 292(mm)

    • Weather forecast in the closest to Yachon admin centers

    Weather forecast in the closest towns to Yachon

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    Frequently asked questions

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