Incheon, South Korea Weather

Incheon,  Weather
(Photo by rawkkim on Unsplash)

Current conditions

Updated:
26°C
78.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,007 hPa

Feel like: 31 °C

Temperature: 26°C

Cloud: 47%

Humidity: 92%

Wind: WSW - 13 km/h

Visibility: 13.56 km

Weather forecast

Wed
29 Jul
24°C / 27°C
Partly Cloudy
Thu
30 Jul
24°C / 30°C
Slight Thunderstorm
Fri
31 Jul
25°C / 30°C
Overcast
Sat
01 Aug
25°C / 31°C
Overcast
Sun
02 Aug
25°C / 33°C
Overcast
Hourly forecast today:
09:00 AM
25° / 26°
25° / 26°
Mainly Clear
92% 32 km/h
10:00 AM
24° / 26°
24° / 26°
Partly Cloudy
93% 29 km/h
11:00 AM
24° / 25°
24° / 25°
Overcast
93% 24 km/h
12:00 PM
24° / 25°
24° / 25°
Partly Cloudy
94% 20 km/h
13:00 PM
24° / 25°
24° / 25°
Partly Cloudy
94% 21 km/h
14:00 PM
24° / 25°
24° / 25°
Partly Cloudy
95% 21 km/h
15:00 PM
24° / 25°
24° / 25°
Partly Cloudy
95% 18 km/h
16:00 PM
24° / 25°
24° / 25°
Partly Cloudy
95% 18 km/h
17:00 PM
24° / 24°
24° / 24°
Partly Cloudy
95% 18 km/h
18:00 PM
23° / 24°
23° / 24°
Partly Cloudy
94% 18 km/h
19:00 PM
23° / 24°
23° / 24°
Partly Cloudy
94% 17 km/h

30 Day Averages and Extremes

  • Average high 29.97°C
  • Average low 24.3°C
  • Hottest day 36°C (09 August 2026)
  • Coldest day 20°C (17 July 2026)
  • Average humidity 83.13%
  • Days with precipitation 29 days
  • Highest precipitation 94 mm (22 July 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 25°C
  • Total Precipitation: 0 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 very hot weather in Incheon, with the high temperatures above 28ºC (82.4ºF), consider wearing:
- UV-protective sunglasses
- Open-toed sandals or light sneakers
- Breathable shorts or skirts
- Sunscreen for skin protection

Temperature

Early
26°C / 28°C
Morning
25°C / 26°C
Afternoon
24°C / 25°C
Evening
23°C / 24°C

Air quality

Moderate

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

  • CO2 455
  • CO 191
  • NH3 0
  • NO2 26
  • O3 83
  • PM10 14
  • PM25 13
  • SO2 11
  • CH4 1,405

Sunrise / Sunset

20:34
10:44