South KoreaThe weather in April in Seoul
It's pleasantly warm in April in Seoul with an average temperature of 20°C. Temperatures this month range from a low of 17°C to a high of 23°C. At night, you can expect temperatures between 5°C and 11°C.
Looking for sun? April isn’t a good month to be in Seoul. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Seoul, South Korea. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2018, Seoul reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 9°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 18°C.
Rainfall amount
In April, there is an average of 145 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in April for Seoul
Click on any day in April to get detailed info about the usual weather on that day in Seoul. Check out the historical temperatures and precipitation over the past 10 years on this day.
April weather comparison
| Seoul | New York | |
|---|---|---|
| Average temperature | 20°C | 17°C |
| Max. temperature | 23°C | 22°C |
| Min. temperature | 5°C | -5°C |
| Total precipitation | 145 mm | 81 mm |
| Rainy days | 16 days | 11 days |
Start of April
The month of April starts in Seoul with mild temps, averaging around 19°C during the day and nights around 7°C.
Mid April
By mid-April, daytime temps rise to around 20°C, with nights around 8°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of April
By the end of April, the average daytime temperature in Seoul is around 22°C, while nighttime temps are about 10°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Seoul 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 Busan, or explore other destinations in South Korea.
Temperature charts
These charts show the average temperatures in April in Seoul, South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in April in Seoul
Temperature in April in Seoul over the years
Precipitation charts
These charts show the average amount of precipitation in April in Seoul, 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.
Daily Precipitation in April in Seoul
Total precipitation in April in Seoul over the years
Daily UV index in April in Seoul
This chart shows the average daily UV index in April in Seoul, 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.
Weather experiences in April in Seoul
The weather in April in Seoul is rated 4 out of 5 stars by 1 visitor. Have you been to Seoul? Share your weather experience to help other visitors.
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Moderate spring temperatures of 10-20 degrees are ideal for sightseeing. A few rainy days, but mostly sunny. Not a typical place for sun or winter sports, but fun.— This text is automatically translated to English
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Average weather in Seoul by month
Click on a month below to see detailed weather info for Seoul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.