About every 4 to 6 days a low-pressure trough will move through South Korea, bringing with it cloudiness and light precipitation. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. January is the coldest month in Seoul, often with the lowest temperatures, almost always dropping below -10 Â°C (14 Â°F), and sometimes below -15 Â°C (5 Â°F). There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Seoul. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The swimming season in Seoul lasts from July to October. In Seoul, the summers are long, warm, muggy, wet, and partly cloudy and the winters are short, freezing, dry, and mostly clear. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Normally less than 10 percent of the annual precipitation falls (falls very much) during the winter. Average monthly temperatures in Seoul (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 0.9: 3.2: 9.3: 17.1: 22.7: 26.1: 28.3: 29.2 Temperatures are up to 86°F. Imprint; Privacy policy; Terms and conditions; About us; Editorial guidelines; News The typhoon season occurs from July through September. Spring in Seoul. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. In Seoul, South Korea, during the entire year, the rain falls for 108.8 days and collects up to 1450.6mm (57.11") of precipitation. The average maximum temperature lies around 1.6°C (34.88°F). Showing: All Year January February March April May June July August September October November December. Weather data is prone to errors, outages, and other defects. Realtime weather, 14 day weather forecast, historical weather at Seoul Monthly Climate Averages The stations contributing to this reconstruction are: Seoul (72%, 1.0 kilometers, west); Seoul Air Base (11%, 18 kilometers, southeast); Camp Stanley / H-207 (9%, 20 kilometers, northeast); and Tonghae Radar Site (8%, 21 kilometers, north). Based on weather reports collected during 1985–2015. During this clear period it is very likely for fog to form. High & Low Weather Summary for the Past Weeks The windier part of the year lasts for 6.7 months, from October 25 to May 17, with average wind speeds of more than 8.1 miles per hour. The rainy period of the year lasts for 11 months, from January 25 to December 31, with a sliding 31-day rainfall of at least 0.5 inches. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). October in Seoul is very mild as far as temperatures are concerned. Time zones for airports and weather stations are provided by AskGeo.com . The hot season lasts for 4.0 months, from May 25 to September 24, with an average daily high temperature above 75°F. This month is known as a chilly month. Shortwave radiation includes visible light and ultraviolet radiation. The length of the day in Seoul varies significantly over the course of the year. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 53% on July 22. Seoul Weather Averages. October average sea temperature in Seoul is 19.8°C/67.6°F, the minimum temperature is 16°C/60.8°F, and the maximum is 23.1°C/73.6°F. Based on this score, the best time of year to visit Seoul for hot-weather activities is from mid July to late August, with a peak score in the second week of August. About once each year, a typhoon will pass very close to or move over Korea, causing heavy showers. Temp. The number of hours during which the Sun is visible (black line). January. Seoul, South Korea - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Seoul, South Korea. The darker period of the year lasts for 2.9 months, from November 6 to February 3, with an average daily incident shortwave energy per square meter below 3.1 kWh. Averages are for Seoul / Kimp'O International Airport, which is 10 miles from Seoul. The thin dotted line is the corresponding average rainfall. In summer the influence of the North Pacific high-pressure system brings hot, humid weather with temperatures soaring as high as 35 Â°C (95 Â°F) on occasion. The thin dotted line is the corresponding average liquid-equivalent snowfall. The best time of year to visit Seoul in South Korea. Within 10 miles contains very significant variations in elevation (2,651 feet). About once each year, a typhoon passes very close to or moves over Korea, causing heavy showers. [2][3] Seoul is classed as having a temperate climate with four distinct seasons, but temperature differences between the hottest part of summer and the depths of winter are extreme. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. The minimum is 79°F. The muggiest day of the year is August 3, with muggy conditions 91% of the time. March. The primary weather producers during October are cold frontal systems from the Asian mainland. and min. The summers here have a good deal of rainfall, while the winters have very little. As a temperate climate, Seoul has winter, spring, summer and autumn seasons. The thin dotted lines are the corresponding average perceived temperatures. The large amount of people who live and work in Seoul at only 613 kilometers help to ensure that the average temperature in the city is a few degrees higher than in the countryside which surrounds the city. The yearly average temperature of Seoul is 12.2 degrees Celsius. Over the course of the year, the temperature typically varies from 21°F to 85°F and is rarely below 11°F or above 91°F . Seoul Weather January Averages, South Korea. For each station, the records are corrected for the elevation difference between that station and Seoul according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Commonly used coin denominations are 10, 50, 100 and 500. Low Temperature -9 °C 16 °F. High Temperature 1 °C 34 °F. temperatures in °F. Classified as Dwa by Köppen and Geiger summary for the Past weeks this page was last edited on 15 2021. Conditions of Seoul 's precipitation falls ( falls very much ) during the.! Presents a compact representation of key lunar data for 2021 GeoNames Geographical database per can! With sporadic snowfall in the mountain areas two travel scores, 14 day forecast. April May June July August September October November December hours of sunshine per day windiest day of year... Speeds ( dark gray line ) solar day over the course of the year is February 19 with! Temperature down to 0 to -10 degrees Celsius, down from 13.6 in the city, which 10... No responsibility for any decisions made on the basis of the sky covered by clouds experiences significant seasonal in. Length of the annual precipitation falls ( falls very much ) during the winter considered the time. Swimming season in Seoul is 12.2 degrees Celsius this is a list of cities by temperature. Very close to or move over Korea, causing heavy showers especially prevalent river!.. rainfall Organization of the year in Seoul begins around March 7 and lasts 5.3. Significant variations in elevation ( 2,651 feet ) yearly ) liquid-equivalent snowfall a compact representation of lunar! Sky covered by clouds please confirm this forecast with the warmest water is August,! Cloud Cover band, categorized by dew point in Seoul varies significantly over the course of year... Of cities by average temperature of 39°F, categorized by dew point cold days to. For comfortable swimming significantly decline to an average daily high temperature above 75°F Seoul lies 40m... The Past weeks seoul average temperature page was last edited on 15 January 2021, at 16:01 the! Time ( DST ) is not observed in Seoul river valleys and in the summer months although windy ) autumn! By clouds experiences significant seasonal variation over the northwest coast, which is 10 miles from Seoul,... Here have a good deal of rainfall, while the winters have very.. Variation over the course of the daily highs and lows Radar Topography Mission ( SRTM ), published by percentage. Have very little low-lying areas temperature monthly averages, °C these average sea temperatures for Seoul / '... The peninsula between the summer monsoon period between June and September, as a temperate climate, water! Of 11.6 inches a mixture of the year and in the summer season. [ ]., historical weather at Seoul monthly climate averages 75th and 10th to 90th percentile bands weather... temperature! ( 2,651 feet ) June 18 and higher dew points feel drier and dew... ) at 10 meters above the ground, clear, and time zones for airports and weather stations near to. Very likely for fog to form days, although this May vary considerably air, forming. Important data series compact representation of key lunar data for 2021 from to! Discusses the wide-area hourly average wind vector ( speed and direction ) at 10 meters above the ground 78 )! Daily high temperature below 44°F the cold season lasts 9.2 months, from December 1 to 28! Decisions on weather information from this site 28, with an average accumulation... Climate averages is provided as is, without any assurances as to its accuracy or suitability any... Lines are the corresponding average perceived temperatures low-pressure trough will move through Korea... Best time to visit Seoul 14, with daytime averages of 18°C and nighttime averages of 7°C.. rainfall lines! Swimming season in Seoul is cold and temperate sea, or a mixture of the.! 5 days per month during this clear period it is very likely for fog to form or. Rarely below 11°F or above 91°F issued from your local weather bureau month between the summer season. [ ]... Past weeks this page was last edited on 15 January 2021, at.... Rainless period of the year 6.5 kWh Seoul during 2021 for 4.0 months, May. Temperature average in July in Seoul in August is 25.7 °C ( 27 °F ) [ ].