Incheon Weather and Climate: A Comprehensive Guide
The temperature in Incheon can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It also experiences much rain/snowfall throughout the year.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Incheon. Average daytime temperatures reach a comfortable 29°C in August. In January, the coolest month of the year, temperatures drop to a chilly 3°C.
At night, you can expect cooler temperatures, with averages dropping to around -5°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Incheon has a relatively rain/snowy climate with high precipitation levels, averaging 1208 mm of rain/snowfall annually. Incheon can be quite wet during July, receiving approximately 302 mm of precipitation over 15 rainy days. In contrast January, experiences much drier conditions, with 22 mm of snow/rainfall, spread across 7 snowy/rainy days. For more details, please visit our Incheon Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Incheon experiences moderate variation in sunshine hours across the seasons. With 8.1 hours daily sunshine in May, it dips to 5.4 hours in July, offering a balanced mix of sunny and overcast days. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Incheon.
The city experiences its highest humidity in July, reaching 82%. In January, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain broken clouds and chance of slight rain partly cloudy and no rainForecast for Incheon
3 m/s
4 m/s
4 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Incheon in South Korea
During the months of May, June and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in July and August.
August has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
July tops the wettest month list with 302 mm of rainfall.
January is the driest month with 22 mm of precipitation.
May is the sunniest month with an average of 242 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
