Incheon, South Korea Weather

Incheon,  Weather
(Photo by rawkkim on Unsplash)

Current conditions

Updated:
23°C
73.4°F
°C °F

Condition: Drizzle

Pressure: 992 hPa

Feel like: 25 °C

Temperature: 23°C

Cloud: 70%

Humidity: 90%

Wind: ESE - 15 km/h

Visibility: 3.26 km

Weather forecast

Sun
21 Jun
17°C / 26°C
Overcast
Mon
22 Jun
18°C / 27°C
Overcast
Tue
23 Jun
17°C / 24°C
Overcast
Wed
24 Jun
17°C / 26°C
Drizzle
Thu
25 Jun
19°C / 25°C
Drizzle
Hourly forecast today:
03:00 AM
21° / 23°
21° / 23°
Drizzle
90% 32 km/h
04:00 AM
21° / 22°
21° / 22°
Drizzle
93% 28 km/h
05:00 AM
21° / 22°
21° / 22°
Slight Rain
94% 33 km/h
06:00 AM
20° / 21°
20° / 21°
Slight Rain
95% 37 km/h
07:00 AM
20° / 20°
20° / 20°
Moderate Drizzle
99% 36 km/h
08:00 AM
20° / 20°
20° / 20°
Overcast
99% 41 km/h
09:00 AM
20° / 20°
20° / 20°
Overcast
99% 41 km/h
10:00 AM
18° / 19°
18° / 19°
Drizzle Dense Intensity
92% 41 km/h
11:00 AM
18° / 19°
18° / 19°
Drizzle
90% 41 km/h
12:00 PM
18° / 19°
18° / 19°
Overcast
89% 40 km/h
13:00 PM
18° / 20°
18° / 20°
Partly Cloudy
88% 34 km/h

30 Day Averages and Extremes

  • Average high 25.57°C
  • Average low 17.97°C
  • Hottest day 32°C (30 June 2026)
  • Coldest day 13°C (05 June 2026)
  • Average humidity 78.07%
  • Days with precipitation 26 days
  • Highest precipitation 78 mm (19 June 2026)

Yesterday's Data

  • Max: 23°C
  • Min: 19°C
  • Total Precipitation: 59 mm

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

Temperature and possibility of rain in Incheon in the coming days

Rainfall in Incheon in the coming days

Incheon Climate Summary

Incheon features a Humid subtropical, dry winter (Köppen classification: Cwa), with an average annual temperature of 13.69ºC (56.64ºF), which is about 0.09% higher than the national average for South Korea. Annually, the city experiences approximately 134.35 millimeters (5.29 inches) of rainfall, spread across 108.46 rainy days, accounting for 29.72% of the year.

Longitude 37.4562557
Latitude 126.7052062
Yearly high temperature 15.88ºC (60.58ºF)
Yearly low temperature 10.54ºC (50.97ºF)
Hottest month August 29.02ºC (84.24ºF)
Coldest month January -3.75ºC (25.25ºF)
Yearly precip 134.35mm (5.29in)
Days with rainfall 108.46 days (29.72%)
Driest month January (62.85%)
Wettest month July (81.39%)

Weather averages by month

Month High / Low (°C) Rain
January 0.85° / -3.75° 4.36 days
February 3.65° / -1.23° 4.36 days
March 9.29° / 3.67° 5.82 days
April 14.67° / 8.66° 7.36 days
May 20.62° / 14.17° 7.73 days
June 25.32° / 19.18° 10.64 days
July 27.49° / 22.88° 18.91 days
August 29.02° / 24.0° 19.09 days
September 25.34° / 19.7° 9.73 days
October 19.49° / 13.65° 5.27 days
November 11.78° / 6.83° 8.55 days
December 3.09° / -1.27° 6.64 days

Frequently asked questions

1. What is the hottest month in Incheon?

August has the highest average monthly temperature (daily mean of 29.02ºC) and January are the coolest (daily mean of -3.75ºC).

2. What should I wear in Incheon today?

For today's warm weather in Incheon, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Sunscreen (if spending time outdoors)
- Comfortable sandals or sneakers
- T-shirt or short-sleeve blouse
- Sun hat or cap

Temperature

Early
21°C / 23°C
Morning
20°C / 20°C
Afternoon
17°C / 20°C
Evening
15°C / 18°C

Air quality

Moderate

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

  • CO2 458
  • CO 253
  • NH3 0
  • NO2 34
  • O3 40
  • PM10 4
  • PM25 4
  • SO2 11
  • CH4 1,590

Sunrise / Sunset

20:12
10:57