Seoul, South Korea Weather

Seoul,  Weather
(Photo by Ciaran O'Brien on Unsplash)

Current conditions

Updated:
22°C
71.6°F
°C °F

Condition: Mainly Clear

Pressure: 1,005 hPa

Feel like: 25 °C

Temperature: 22°C

Cloud: 42%

Humidity: 82%

Wind: ENE - 6 km/h

Visibility: 18.08 km

Weather forecast

Tue
11 Aug
20°C / 30°C
Partly Cloudy
Wed
12 Aug
22°C / 33°C
Overcast
Thu
13 Aug
24°C / 34°C
Drizzle Dense Intensity
Fri
14 Aug
23°C / 32°C
Slight Thunderstorm
Sat
15 Aug
24°C / 32°C
Drizzle
Hourly forecast today:
19:00 PM
19° / 22°
19° / 22°
Mainly Clear
82% 21 km/h
20:00 PM
19° / 22°
19° / 22°
Mainly Clear
83% 20 km/h
21:00 PM
19° / 22°
19° / 22°
Mainly Clear
84% 21 km/h
22:00 PM
19° / 22°
19° / 22°
Mainly Clear
83% 23 km/h
23:00 PM
19° / 23°
19° / 23°
Mainly Clear
78% 25 km/h
00:00 AM
19° / 25°
19° / 25°
Partly Cloudy
71% 28 km/h
01:00 AM
19° / 26°
19° / 26°
Partly Cloudy
65% 30 km/h
02:00 AM
19° / 27°
19° / 27°
Partly Cloudy
62% 32 km/h
03:00 AM
19° / 28°
19° / 28°
Partly Cloudy
59% 31 km/h
04:00 AM
19° / 30°
19° / 30°
Mainly Clear
54% 32 km/h
05:00 AM
19° / 31°
19° / 31°
Partly Cloudy
50% 33 km/h

30 Day Averages and Extremes

  • Average high 31.8°C
  • Average low 23.57°C
  • Hottest day 35°C (02 August 2026)
  • Coldest day 20°C (11 August 2026)
  • Average humidity 77.37%
  • Days with precipitation 24 days
  • Highest precipitation 65 mm (26 July 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 23°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Seoul over the next 12 hours

Temperature and possibility of rain in Seoul in the coming days

Rainfall in Seoul in the coming days

Seoul Climate Summary

Seoul features a Humid continental, severe dry winter, hot summer (Köppen classification: Dwa), with an average annual temperature of 13.89ºC (57.0ºF), which is about 0.29% higher than the national average for South Korea. Annually, the city experiences approximately 131.35 millimeters (5.17 inches) of rainfall, spread across 109.64 rainy days, accounting for 30.04% of the year.

Longitude 37.566535
Latitude 126.9779692
Yearly high temperature 16.78ºC (62.2ºF)
Yearly low temperature 9.61ºC (49.3ºF)
Hottest month August 30.26ºC (86.47ºF)
Coldest month January -5.18ºC (22.68ºF)
Yearly precip 131.35mm (5.17in)
Days with rainfall 109.64 days (30.04%)
Driest month January (61.4%)
Wettest month July (78.92%)

Weather averages by month

Month High / Low (°C) Rain
January 0.51° / -5.18° 4.0 days
February 3.9° / -2.15° 4.45 days
March 10.43° / 2.94° 6.0 days
April 16.45° / 8.07° 7.91 days
May 22.96° / 13.62° 7.91 days
June 27.55° / 18.62° 11.09 days
July 29.03° / 22.5° 19.91 days
August 30.26° / 23.19° 19.0 days
September 26.14° / 18.37° 9.82 days
October 19.96° / 12.33° 5.55 days
November 11.67° / 5.64° 7.82 days
December 2.51° / -2.63° 6.18 days

Frequently asked questions

1. What is the hottest month in Seoul?

August has the highest average monthly temperature (daily mean of 30.26ºC) and January are the coolest (daily mean of -5.18ºC).

2. What should I wear in Seoul today?

For today's very hot weather in Seoul, with the high temperatures above 31ºC (87.8ºF), consider wearing:
- Sleeveless tops or vests
- Broad-brimmed sun hat
- Lightweight, loose-fitting shorts
- High SPF sunscreen for outdoor activities

Temperature

Early
21°C / 29°C
Morning
22°C / 30°C
Afternoon
19°C / 24°C
Evening
19°C / 22°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 451
  • CO 136
  • NH3 0
  • NO2 24
  • O3 35
  • PM10 12
  • PM25 9
  • SO2 14
  • CH4 1,629

Sunrise / Sunset

20:44
10:30