Best year time to visit Seoul

General weather information about Seoul

Average annual temperature is 12.7 °C

Absolute maximum temperature: 34.2 °C

Absolute minimum temperature: -18.1 °C

Number of sunny days: 178

Number of rainy days: 174

Number of snow days: 13

Average annual precipitation: 1632 mm

Look at detailed online map of Seoul

* Weather data for Seoul South Korea is based on climate observations for 2023 year

Seoul air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 11.4 9.8 22.3 26.8 28.2 34.2 33.4 34 30.8 22.4 23.3 15.9
Average daytime temperature (°C) 1.9 6.1 14.3 18 23.2 26.2 29.1 29.5 26.3 19.2 9.7 4.3
Average temperature (°C) -3.3 0.5 7.5 12.2 17.7 21.8 25.4 25.9 22.2 14 5 -0.1
Average night temperature (°C) -7.8 -3.7 2.1 7.5 13 18.1 22.6 22.8 18.9 9.6 0.7 -4
Absolute minimum temperature (°C) -18.1 -6.7 -4.5 1 5.8 14.4 20 18.4 12.4 4.3 -7.3 -14.5

Seoul monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.3 11.3 12.6 13.7 14.6 14.8 14.7 14.1 13 11.8 10.6 9.8
Daylight mean duration (h) 9.9 10.8 12 13.2 14.2 14.7 14.5 13.6 12.4 11.2 10.2 9.6
Daylight minimum duration (h) 9.6 10.3 11.4 12.6 13.8 14.6 14.1 13 11.9 10.7 9.8 9.6
Sunshine mean duration (h) 7.9 8.4 9.1 7.8 10.5 9.8 8.7 9.4 8.2 8.2 7 7.2
Precipitation (mm) 36 3 18 104 167 220 418 311 145 30 100 81
Sunny days 19 24 22 14 20 8 3 8 9 18 16 17
Rainy days 6 3 9 16 11 22 28 23 21 13 12 10
Snow days 6 1 2 4

Seoul - weather forecast by months

January February March April May June July August September October November December

Best time to visit Seoul:

The largest precipitation sum in Seoul is at

  • June — 220(mm)
  • July — 418(mm)
  • August — 311(mm)

Weather forecast in the closest to Seoul admin centers