Incheon, South Korea Weather
- Incheon, South Korea Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- 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 Weather Summary
- Weather averages by month
- Incheon's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Clear Sky
Pressure: 1,015 hPa
Feel like: 18 °C
Temperature: 18°C
Cloud: 12%
Humidity: 85%
Wind: ENE - 6 km/h
Visibility: 20.04 km
30 Day Averages and Extremes
- Average high 24.9°C
- Average low 16.07°C
- Hottest day 29°C (21 September 2026)
- Coldest day 12°C (15 September 2026)
- Average humidity 67.37%
- Days with precipitation 15 days
- Highest precipitation 21 mm (25 September 2026)
Yesterday's Data
- Max: 26°C
- Min: 17°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 |
Incheon's weather
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 26ºC (78.8ºF), consider wearing:
- Thin, moisture-wicking socks
- Open-toed sandals or light sneakers
- Sunscreen for skin protection
- Loose and airy fabrics like linen or cotton
Temperature
Air quality
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO2 453
- CO 200
- NH3 0
- NO2 42
- O3 31
- PM10 17
- PM25 14
- SO2 15
- CH4 1,736