Seoul
-1 to 29°C
temperature
2884 hours
sunshine per day
602 mm
rain
236 days
dry
114 days
rain
15 days
snow

Climate of Seoul

Seoul has a continental climate. In the summer it is warm and wet, and in the winter it is cold and dry. The average annual temperature for Seoul is 16° degrees and there is about 602 mm of rain in a year. It is dry for 222 days a year with an average humidity of 67% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between -1°C and 29°C
  • Night:the average nighttime temperature is between -7°C and 22°C
  • Rain: it rains 114 days and there is a total of approximately 602 mm rainfall
  • Snow: it snows an average of 15 days per year
  • Sun hours: throughout the year there are 2884 sun hours
Maximum temperature: between -1°C and 29°C
Warmest month: 29°C in August
Coldest month: -1°C in January
Night temperature: between -7°C and 22°C
Dry days: 236 days
Days with rain: 114 days
Days with snow: 15 days
Total rain sum: 602 mm
Hours of sunshine: 2884 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Seoul.

Precipitation graph

This graph shows the average amount of rainfall per month for Seoul.

Climate table of Seoul

In this climate table you can see at a glance what the average weather per month is for Seoul. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Seoul might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) -1 3 10 16 22 26 28 29 25 19 10 1
Night temp. (°C) -7 -3 1 6 11 17 21 22 16 10 4 -4
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 6 16 22 36 42 60 167 115 46 43 30 19
Days with rain 3 3 7 10 9 14 20 19 9 6 9 5
Days with snow 4 3 2 - - - - - - - 1 5
Dry days 24 22 22 20 22 16 11 12 21 25 20 21
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 6 8 8 9 10 10 8 9 8 7 6 6
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 2 2 3 4 5 6 6 6 5 3 2 2

Best time to visit Seoul

The best time to visit Seoul in South Korea is from May and June and September and October. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Seoul is 29°C in August and the lowest is -1°C in January.

Climate of Seoul by month

What is the average climate in a given month for Seoul? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

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