South KoreaThe climate of Incheon
The current climate in Incheon features temperatures ranging from a high of 30°C to a low of 3°C throughout the year. The average yearly temperature is around 18°C. At night, temperatures in the colder months average around -7°C and in the warmer months around 23°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Incheon, South Korea.
Temperature records
The highest temperature recorded in Incheon in recent years was 38°C in August 2018. The lowest daytime temperature recorded was -12°C in January 2018.
Precipitation and snowfall
On average, Incheon gets 1624 mm of precipitation each year. Of this, about 5,0 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of South Korea? Check out the climate and weather for spots like Seoul, Busan, or explore other destinations in South Korea.
Best time to visit Incheon?
The best time to visit Incheon for mild to warm weather is April up to June, September and October. You might get some rain, but the temperatures are just right to explore Incheon.
Climate Table of Incheon
The climate table of Incheon shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 3 | 6 | 13 | 18 | 23 | 27 | 30 | 30 | 27 | 20 | 13 | 4 |
| Temp. min (°C) | -6 | -4 | 2 | 8 | 13 | 19 | 23 | 24 | 18 | 11 | 3 | -4 |
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| Precipitation (mm) | 35 | 42 | 92 | 78 | 121 | 110 | 337 | 398 | 174 | 92 | 109 | 36 |
| Snow (cm) | 1,4 | 0,5 | 0,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,1 | 2,8 |
| UV Index | 4 | 6 | 6 | 7 | 8 | 8 | 7 | 7 | 7 | 5 | 5 | 4 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Incheon, South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Incheon
Yearly Temperature in Incheon
Precipitation charts
These charts show the average amount of precipitation in Incheon, South Korea. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Incheon
Total Yearly Precipitation in Incheon
Average Snowfall per Month in Incheon
Total Yearly Snowfall in Incheon
UV index chart
This chart shows the average UV index per month in Incheon, South Korea. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Incheon
Weather experiences in Incheon
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Average weather in Incheon by month
Click on a month below to see detailed weather info for Incheon. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.