Seoul Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

  • Seoul, South Korea latitude & longitude; 37°34'N 126°58'E.
  • Altitude; 86 m (282 ft).
  • The average temperature in Seoul, South Korea is 11.5 °C (53 °F).
  • The range of average monthly temperatures is 31.5 °C.
  • The warmest average max/ high temperature is 31 °C (88 °F) in August.
  • The coolest average min/ low temperature is -10 °C (14 °F) in January.
  • Seoul receives on average 1258 mm (49.5 in) of precipitation annually or 105 mm (4.1 in) each month.
  • On balance there are 80 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 7 days on an average month.
  • The month with the driest weather is January when on balance 17 mm (0.7 in) of rain, sleet, hail or snow falls across 3 days.
  • The month with the wettest weather is July when on balance 358 mm (14.1 in) of rain, sleet, hail or snow falls across 14 days.
  • Mean relative humidity for an average year is recorded as 69.0% and on a monthly basis it ranges from 63% in April to 81% in July.
  • There is an average range of hours of sunshine in Seoul of between 5.2 hours per day in December and 8.3 hours per day in May.
  • On balance there are 2428 sunshine hours annually and approximately 6.7 sunlight hours for each day.
  • On balance there are 116 days annually registering frost in Seoul and in January there are on average 31 days with frost.

Seoul Climate Graph (Metric | Imperial units)

Seoul Climate Graph

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Seoul Weather Averages

  Average Minimum Temperatures in Seoul, South Korea (°C) Average Maximum Temperature in Seoul, South Korea (°C) Seoul Average Temperature (°C) Average Sea Temp (°C) Average Precipitation/ Rainfall (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Seoul (Beaufort) Average Number of Days with Frost  
Weather in Seoul in January -10 0 -5 - 17 3 5.8 64 2 31 Average Temperature in Seoul in January
Weather in Seoul in February -7 3 -2 - 21 3 6.4 64 3 26 Average Temperature in Seoul in February
Weather in Seoul in March -1 9 4 - 56 6 6.7 64.0 3 18 Average Temperature in Seoul in March
Weather in Seoul in April 5 17 11 - 68 6 7.6 63 3 2 Average Temperature in Seoul in April
Weather in Seoul in May 11 23 17 - 86 7 8.3 66 3 0 Average Temperature in Seoul in May
Weather in Seoul in June 16 27 22 - 169 9 7.1 73 3 0 Average Temperature in Seoul in June
Weather in Seoul in July 21 29 25 - 358 14 5.8 81 3 0 Average Temperature in Seoul in July
Weather in Seoul in August 22 31 26.5 - 224 10 6.5 78 2 0 Average Temperature in Seoul in August
Weather in Seoul in September 16 26 21 - 142 7 6.9 73 2 0 Average Temperature in Seoul in September
Weather in Seoul in October 8 20 14 - 49 5 7.5 68 2 1 Average Temperature in Seoul in October
Weather in Seoul in November 1 12 7 - 36 5 6.0 68 2 11 Average Temperature in Seoul in November
Weather in Seoul in December -5 3 -1 - 32 5 5.2 66 2 27 Average Temperature in Seoul in December

Seoul Climograph/ Climate Chart (imperial)

Seoul Temperature Chart

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Seoul Temperatures in Farenheit

  Average Minimum Temperatures in Seoul, South Korea (°F) Average Maximum Temperature in Seoul, South Korea (°F) Average Temperature (°F) Average Sea Temp (°F) Average Precipitation/ Rainfall (in) Wet Days (>0.004 in) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed (Beaufort) Average Number of Days with Frost  
Temperatures in Seoul in January 14 32 23 - 0.7 3 5.8 64 2 31 Climate in Seoul in January
Temperatures in Seoul in February 19 37 28 - 0.8 3 6.4 64 3 26 Climate in Seoul in February
Temperatures in Seoul in March 30 48 39 - 2.2 6 6.7 64 3 18 Climate in Seoul in March
Temperatures in Seoul in April 41 63 52 - 2.7 6 7.6 63 3 2 Climate in Seoul in April
Temperatures in Seoul in May 52 73 63 - 3.4 7 8.3 66 3 0 Climate in Seoul in May
Temperatures in Seoul in June 61 81 71 - 6.7 9 7.1 73 3 0 Climate in Seoul in June
Temperatures in Seoul in July 70 84 77 - 14.1 14 5.8 81 3 0 Climate in Seoul in July
Temperatures in Seoul in August 72 88 80 - 8.8 10 6.5 78 2 0 Climate in Seoul in August
Temperatures in Seoul in September 61 79 70 - 5.6 7 6.9 73 2 0 Climate in Seoul in September
Temperatures in Seoul in October 46 68 57 - 1.9 5 7.5 68 2 1 Climate in Seoul in October
Temperatures in Seoul in November 34 54 44 - 1.4 5 6.0 68 2 11 Climate in Seoul in November
Temperatures in Seoul in December 23 37 30 - 1.3 5 5.2 66 2 27 Climate in Seoul in December

Forum: Seoul, South Korea

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