Seoul, South Korea Weather

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

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Moderate Rain

Pressure: 994 hPa

Feel like: 23 °C

Temperature: 21°C

Cloud: 95%

Humidity: 90%

Wind: ENE - 10 km/h

Visibility: 2.88 km

Weather forecast

Sun
21 Jun
18°C / 26°C
Overcast
Mon
22 Jun
17°C / 27°C
Partly Cloudy
Tue
23 Jun
16°C / 24°C
Overcast
Wed
24 Jun
17°C / 26°C
Moderate Drizzle
Thu
25 Jun
19°C / 25°C
Moderate Drizzle
Hourly forecast today:
04:00 AM
19° / 21°
19° / 21°
Moderate Rain
90% 26 km/h
05:00 AM
19° / 21°
19° / 21°
Moderate Drizzle
89% 26 km/h
06:00 AM
19° / 21°
19° / 21°
Moderate Drizzle
89% 28 km/h
07:00 AM
19° / 21°
19° / 21°
Moderate Drizzle
91% 24 km/h
08:00 AM
20° / 20°
20° / 20°
Moderate Drizzle
96% 28 km/h
09:00 AM
20° / 20°
20° / 20°
Drizzle
96% 32 km/h
10:00 AM
18° / 20°
18° / 20°
Slight Rain
90% 29 km/h
11:00 AM
18° / 20°
18° / 20°
Drizzle
89% 33 km/h
12:00 PM
18° / 20°
18° / 20°
Drizzle
87% 33 km/h
13:00 PM
18° / 20°
18° / 20°
Overcast
86% 30 km/h
14:00 PM
17° / 20°
17° / 20°
Partly Cloudy
82% 27 km/h

30 Day Averages and Extremes

  • Average high 26.9°C
  • Average low 18.1°C
  • Hottest day 33°C (30 June 2026)
  • Coldest day 13°C (05 June 2026)
  • Average humidity 72.73%
  • Days with precipitation 28 days
  • Highest precipitation 82 mm (19 June 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 20°C
  • Total Precipitation: 69 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 warm weather in Seoul, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Sun hat or cap
- Sunscreen (if spending time outdoors)
- Sunglasses
- Cotton or linen fabrics

Temperature

Early
21°C / 22°C
Morning
20°C / 20°C
Afternoon
16°C / 20°C
Evening
15°C / 19°C

Air quality

Moderate

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

  • CO2 451
  • CO 206
  • NH3 0
  • NO2 30
  • O3 51
  • PM10 5
  • PM25 4
  • SO2 10
  • CH4 1,524

Sunrise / Sunset

20:11
10:56