Incheon, South Korea Weather

Incheon,  Weather
(Photo by rawkkim on Unsplash)

Current conditions

Updated:
9°C
48.2°F
°C °F

Condition: Drizzle Dense Intensity

Pressure: 1,011 hPa

Feel like: 7 °C

Temperature: 9°C

Cloud: 67%

Humidity: 90%

Wind: NNE - 7 km/h

Visibility: 25.28 km

Weather forecast

Thu
05 Nov
5°C / 13°C
Clear Sky
Fri
06 Nov
0°C / 7°C
Partly Cloudy
Sat
07 Nov
0°C / 6°C
Drizzle
Sun
08 Nov
0°C / 10°C
Clear Sky
Mon
09 Nov
-1°C / 11°C
Mainly Clear
Hourly forecast today:
21:00 PM
7° / 9°
7° / 9°
Drizzle Dense Intensity
90% 14 km/h
22:00 PM
8° / 9°
8° / 9°
Drizzle
93% 14 km/h
23:00 PM
8° / 9°
8° / 9°
Drizzle
93% 11 km/h
00:00 AM
8° / 10°
8° / 10°
Drizzle
92% 10 km/h
01:00 AM
9° / 11°
9° / 11°
Drizzle
92% 10 km/h
02:00 AM
9° / 11°
9° / 11°
Mainly Clear
88% 14 km/h
03:00 AM
9° / 13°
9° / 13°
Partly Cloudy
80% 18 km/h
04:00 AM
10° / 14°
10° / 14°
Clear Sky
75% 23 km/h
05:00 AM
9° / 15°
9° / 15°
Clear Sky
69% 27 km/h
06:00 AM
10° / 15°
10° / 15°
Clear Sky
69% 28 km/h
07:00 AM
10° / 15°
10° / 15°
Mainly Clear
76% 29 km/h

30 Day Averages and Extremes

  • Average high 13.57°C
  • Average low 5.2°C
  • Hottest day 22°C (24 October 2026)
  • Coldest day -1°C (09 November 2026)
  • Average humidity 68.67%
  • Days with precipitation 20 days
  • Highest precipitation 67 mm (31 October 2026)

Yesterday's Data

  • Max: 17°C
  • Min: 7°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 mild weather in Incheon, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Comfortable jeans or slacks
- Light jacket (for cooler periods)
- Long-sleeve shirt or blouse
- Sun hat (if spending time outdoors)

Temperature

Early
8°C / 15°C
Morning
7°C / 12°C
Afternoon
6°C / 8°C
Evening
7°C / 9°C

Air quality

Unhealthy for Sensitive Groups

Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected

  • CO2 510
  • CO 602
  • NH3 0
  • NO2 57
  • O3 0
  • PM10 43
  • PM25 35
  • SO2 36
  • CH4 2,167

Sunrise / Sunset

22:01
08:31