Temperatures in April
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Seoul in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in Seoul with mild temperatures, averaging around 19°C during the day and nights close to 7°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-April
By mid-April, the average daytime temperature rises to around 20°C, with nights close to 8°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of April
By the end of April, the average daytime temperature in Seoul will be around 22°C, with nights close to 10°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in April
In April, there is an average of 145 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average precipitation chance is 28% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for Seoul. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Seoul in April |
London | ||
|---|---|---|---|
 Average Temperature |
20°C | 15°C | |
 High Temp |
23°C | 18°C | |
| Low Temp |
17°C | 12°C | |
 Total Precipitation |
145 mm | 29 mm | |
| Rainy Days |
8 days | 7 days | |
March
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.
Is April a good time to visit Seoul?
After some sun? Then April isn’t the best time to be in Seoul. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Seoul in April
With 30°C, Seoul hit the highest temperature in the last 10 years in April 2018. The lowest daytime temperature in this month was 9°C in 2018. The extreme night temperatures ranged from a low of -2°C to a high of 18°C.
Check out the climate of Seoul for all months and discover the best travel time
Curious about the climate in other parts of South Korea? Check out the weather and climate in places like Busan, or have a look at other destinations in South Korea.
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Daily Temperature in April in Seoul
This chart shows the average daily temperatures, both day and night, for each day in April in Seoul, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Weather experiences in April in Seoul
Good
Moderate spring temperatures of 10-20 degrees are ideal for ... more
Daily Precipitation in April in Seoul
The chart below shows the average daily precipitation in April for Seoul, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 8 days of rain in Seoul.
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.
Temperature in April in Seoul Over the Years
This chart shows the average temperature in April in Seoul, measured in degrees Celsius, over the past years.
Total Precipitation in April in Seoul Over the Years
This chart shows the average precipitation in April in Seoul, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for Seoul
Click on a specific day in April for detailed info on the typical weather on that day in Seoul. Check out the historical temperatures and precipitation over the past 10 years on this day.
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.
Write your own review
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
Have you been to Seoul in April?
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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.
