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Average weather for Incheon in August

It's hot in August in Incheon with an average temperature of 30°C. Temperatures this month range from a low of 27°C to a high of 33°C. At night, you can expect temperatures between 20°C and 26°C.

Daily Temperature in August in Incheon

Start of August

The month of August starts in Incheon with hot temps, averaging around 32°C during the day and nights around 26°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

Mid August

By mid-August, daytime temps drop to around 31°C, with nights around 24°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

End of August

By the end of August, the average daytime temperature in Incheon is around 29°C, while nighttime temps are about 22°C. There’s a significant chance of many days with precipitation.

In August, there is an average of 398 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Incheon in August

New York
Temperature Average temperature
30°C 30°C
Sun Max. temperature
33°C 31°C
Sun Min. temperature
27°C -5°C
Rain Total precipitation
398 mm 79 mm
Rain Rainy days
15 days 13 days

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is August a good time to visit Incheon?

Looking for sun? August isn’t a good month to be in Incheon. The temperature is nice, but there’s too much chance of rain.

Temperature records

With 38°C in 2018, Incheon reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 20°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 29°C.

Check out the climate of Incheon for all months and discover the best travel time

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.

Daily Temperature in August in Incheon

This chart shows the average daily high and low temperatures in August for Incheon, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in August in Incheon

Daily Precipitation in August in Incheon

The chart below shows the average daily precipitation in August for Incheon, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 15 days of precipitation in Incheon.

Daily Precipitation in August in Incheon

Daily UV index in August in Incheon

This chart shows the average daily UV index in August in Incheon, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in August in Incheon

Temperature in August in Incheon over the years

This chart shows the average temperature in August in Incheon, measured in degrees Celsius, over the past few years.

Temperature in August in Incheon Over the Years

Total precipitation in August in Incheon over the years

This chart shows the average precipitation in August in Incheon, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in August in Incheon over the years

Daily weather in August for Incheon

Click on any day in August to get detailed info about the usual weather on that day in Incheon. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in August 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.


Or check out the climate of Incheon for all months at once

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