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: Mainly Clear
Pressure: 1,020 hPa
Feel like: 8 °C
Temperature: 11°C
Cloud: 20%
Humidity: 83%
Wind: E - 14 km/h
Visibility: 24.14 km
30 Day Averages and Extremes
- Average high 13.67°C
- Average low 6.1°C
- Hottest day 18°C (23 October 2025)
- Coldest day 0°C (02 November 2025)
- Average humidity 63.97%
- Days with precipitation 13 days
- Highest precipitation 24 mm (25 October 2025)
Yesterday's Data
- Max: 16°C
- Min: 6°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 cool weather in Incheon, with temperatures between 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Cotton socks
- Light scarf or wrap
- Light jacket or cardigan
- Thin gloves (optional for early mornings or late evenings)
Temperature
Air quality
Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected
- CO2 485
- CO 450
- NH3 0
- NO2 45
- O3 33
- PM10 21
- PM25 18
- SO2 17
- CH4 1,712