Seoul, South Korea Weather

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

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Partly Cloudy

Pressure: 1,005 hPa

Feel like: 23 °C

Temperature: 20°C

Cloud: 58%

Humidity: 83%

Wind: WNW - 1 km/h

Visibility: 14.44 km

Weather forecast

Mon
22 Jun
18°C / 30°C
Partly Cloudy
Tue
23 Jun
16°C / 27°C
Drizzle
Wed
24 Jun
19°C / 25°C
Thunderstorm With Slight
Thu
25 Jun
18°C / 26°C
Overcast
Fri
26 Jun
19°C / 26°C
Overcast
Hourly forecast today:
16:00 PM
17° / 20°
17° / 20°
Partly Cloudy
83% 6 km/h
17:00 PM
17° / 20°
17° / 20°
Partly Cloudy
85% 6 km/h
18:00 PM
17° / 20°
17° / 20°
Mainly Clear
84% 6 km/h
19:00 PM
17° / 20°
17° / 20°
Partly Cloudy
83% 6 km/h
20:00 PM
17° / 20°
17° / 20°
Partly Cloudy
84% 6 km/h
21:00 PM
17° / 19°
17° / 19°
Partly Cloudy
84% 6 km/h
22:00 PM
17° / 20°
17° / 20°
Partly Cloudy
83% 7 km/h
23:00 PM
17° / 20°
17° / 20°
Partly Cloudy
81% 11 km/h
00:00 AM
18° / 21°
18° / 21°
Mainly Clear
79% 14 km/h
01:00 AM
18° / 23°
18° / 23°
Overcast
76% 14 km/h
02:00 AM
18° / 23°
18° / 23°
Partly Cloudy
73% 15 km/h

30 Day Averages and Extremes

  • Average high 27.37°C
  • Average low 18.6°C
  • Hottest day 31°C (15 June 2026)
  • Coldest day 15°C (08 June 2026)
  • Average humidity 74.93%
  • Days with precipitation 28 days
  • Highest precipitation 90 mm (19 June 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 18°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 26ºC (78.8ºF), consider wearing:
- Lightweight t-shirt or tank top
- Sunscreen for skin protection
- Open-toed sandals or light sneakers
- UV-protective sunglasses

Temperature

Early
16°C / 26°C
Morning
17°C / 25°C
Afternoon
17°C / 21°C
Evening
17°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 470
  • CO 259
  • NH3 0
  • NO2 59
  • O3 12
  • PM10 20
  • PM25 19
  • SO2 15
  • CH4 2,104

Sunrise / Sunset

20:11
10:56