Seoul monthly weather averages

  • Average temperature

    The bar chart below shows the average monthly temperatures at Seoul

    Seoul average temperature chart
    Average monthly temperatures in Seoul
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C -3.3 -1 4.7 11.9 17.6 21.7 24.9 25.6 20.8 14.4 6.7 -0.4
    °F 26.1 30.2 40.5 53.4 63.7 71.1 76.8 78.1 69.4 57.9 44.1 31.3

    Please note: these are the average temperatures taken over a 24 hour period so do not show daytime / night highs and lows. For more accurate daytime temperatures have a look at the temperature max / min chart below.

  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Seoul

    Average daily sunshine Seoul
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 6 6.8 7.6 8 8.6 7.9 5.9 6.6 7.2 7.3 5.8 5.6
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in Seoul
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C -7.7 -5.4 -0.1 6.5 12.3 17.1 21.4 21.8 16.1 9 2.1 -4.7
    Max °C 1.1 3.4 9.5 17.4 23 26.4 28.5 29.4 25.6 19.8 11.3 3.9
    Min °F 18.1 22.3 31.8 43.6 54.1 62.7 70.4 71.2 60.9 48.2 35.8 23.6
    Max °F 26.1 30.2 40.5 53.4 63.7 71.1 76.8 78.1 69.4 57.9 44.1 31.3
  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in Seoul
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 22 26 45 102 90 133 358 289 161 49 48 21
    inches 0.9 1 1.8 4 3.6 5.2 14.1 11.4 6.3 1.9 1.9 0.8
    Rainy days 7 6 7 8 8 10 16 13 9 6 10 7
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Seoul
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 6.8 5.3 5.5 8.1 12.5 18.3 22.7 25.3 23.2 19.3 14.5 10.1
    °F 44.2 41.5 41.9 46.6 54.6 65 72.8 77.6 73.8 66.8 58 50.1
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Seoul
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 9 9 10 10 8 7 7 7 6 7 8 8
    mph 5 6 6 6 5 5 5 4 4 4 5 5

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average rainfall.

    Average relative humidity in Seoul
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    66% 65% 65% 64% 67% 74% 82% 80% 75% 70% 68% 68%
Seoul

Other monthly averages

Seoul weather stats

Seoul weather statistics
Hottest month: August 25.6°C
Driest month: December 21mm
Sunniest month: October 7.3hrs
Coldest month: January -3.3°C
Wettest month: July 358mm
Warmest sea: August 25.3°C
Map showing location of Seoul (37.56826, 126.97783)

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