Seoul, South Korea Weather

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

Current conditions

Updated:
33°C
91.4°F
°C °F

Condition: Mainly Clear

Pressure: 1,004 hPa

Feel like: 39 °C

Temperature: 33°C

Cloud: 25%

Humidity: 66%

Wind: WNW - 2 km/h

Visibility: 20.54 km

Weather forecast

Wed
05 Aug
25°C / 35°C
Clear Sky
Thu
06 Aug
27°C / 37°C
Drizzle
Fri
07 Aug
24°C / 31°C
Slight Thunderstorm
Sat
08 Aug
23°C / 30°C
Overcast
Sun
09 Aug
22°C / 30°C
Overcast
Hourly forecast today:
10:00 AM
25° / 33°
25° / 33°
Mainly Clear
66% 16 km/h
11:00 AM
26° / 31°
26° / 31°
Mainly Clear
75% 11 km/h
12:00 PM
26° / 30°
26° / 30°
Mainly Clear
81% 9 km/h
13:00 PM
26° / 29°
26° / 29°
Mainly Clear
82% 7 km/h
14:00 PM
26° / 29°
26° / 29°
Mainly Clear
87% 6 km/h
15:00 PM
26° / 28°
26° / 28°
Mainly Clear
87% 8 km/h
16:00 PM
26° / 28°
26° / 28°
Mainly Clear
89% 10 km/h
17:00 PM
26° / 27°
26° / 27°
Mainly Clear
89% 10 km/h
18:00 PM
25° / 27°
25° / 27°
Mainly Clear
89% 11 km/h
19:00 PM
25° / 27°
25° / 27°
Mainly Clear
90% 13 km/h
20:00 PM
25° / 27°
25° / 27°
Mainly Clear
91% 12 km/h

30 Day Averages and Extremes

  • Average high 30.87°C
  • Average low 23.57°C
  • Hottest day 37°C (06 August 2026)
  • Coldest day 20°C (10 August 2026)
  • Average humidity 79.07%
  • Days with precipitation 26 days
  • Highest precipitation 95 mm (22 July 2026)

Yesterday's Data

  • Max: 34°C
  • Min: 25°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 35ºC (95.0ºF), consider wearing:
- Light, natural fabrics (like cotton or linen)
- Broad-brimmed sun hat
- Ultra-thin, breathable socks
- Lightweight, loose-fitting shorts

Temperature

Early
25°C / 32°C
Morning
24°C / 34°C
Afternoon
26°C / 28°C
Evening
25°C / 26°C

Air quality

Unhealthy

Unhealthy air quality, health risks for all, emergency conditions possible

  • CO2 460
  • CO 333
  • NH3 0
  • NO2 41
  • O3 141
  • PM10 22
  • PM25 21
  • SO2 17
  • CH4 1,802

Sunrise / Sunset

20:39
10:36