Best year time to visit Seongmun

General weather information about Seongmun

Average annual temperature is 13.9 °C

Absolute maximum temperature: 33.7 °C

Absolute minimum temperature: -12.4 °C

Number of sunny days: 176 days

Number of rainy days: 185 days

Number of snow days: 4 days

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

Seongmun air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.113.222.723.124.328.930.633.729.323.223.717.0
Average daytime temperature (°C)5.58.615.517.220.825.227.229.626.320.212.97.9
Average temperature (°C)1.13.49.612.717.021.424.426.022.715.48.53.9
Average night temperature (°C)-2.7-0.54.98.613.818.522.223.019.611.34.60.4
Absolute minimum temperature (°C)-12.4-4.6-1.82.97.515.317.819.415.95.6-3.0-8.0

Seongmun 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)7.57.18.67.27.28.25.910.38.18.77.66.1
Precipitation (mm)5638441352572143503352341910172
Sunny days23212214119158212120
Rainy days7791620213026221098
Snow days100000000003

Seongmun - weather forecast by months

Seongmun weather in januarySeongmun weather in februarySeongmun weather in marchSeongmun weather in aprilSeongmun weather in maySeongmun weather in juneSeongmun weather in julySeongmun weather in augustSeongmun weather in septemberSeongmun weather in octoberSeongmun weather in novemberSeongmun weather in december

Best time to visit Seongmun:

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

  • August — 10.3(h)

The largest precipitation sum in Seongmun is at

  • May — 257(mm)
  • June — 214(mm)
  • July — 350(mm)
  • August — 335(mm)
  • September — 234(mm)

    • Weather forecast in the closest to Seongmun admin centers

    Weather forecast in the closest towns to Seongmun

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    Frequently asked questions

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