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Seoul in April: Weather, Average temperature and Climate

Take a look at past year’s weather for Seoul in April and see if it is worth visiting.
Check flight prices to Seoul on Avionero:
April

Weather in Seoul in April 2025

Good Weather
Mild
☁️
Cloudy
✈️
$1,687 - $1,923
Are you considering a trip to Seoul in April? Well, the weather is usually on your side with an average maximum temperature of +63°F and about 12 sunny days. Just keep in mind that there may be some rain, with an average of 5 rainy days and 62 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • April is usually the driest month of the year in Seoul

Average weather

☀️
+63°F
Avg. max. temperature
+28°F
Min.
+86°F
Max.
62 mm
Total precipitation
59%
Avg. humidity
2 m/s
Avg. wind
12 ☀️
Sunny Days
13 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Seoul has good weather in April.

Average temperature in Seoul in April

Here are the expected maximum, average and minimum temperatures in Seoul for April based on the historical data.
Last Year
Historical Data

Going from a maximum of +82°F during the day to a minimum of +32°F during the night, the temperature in April averages around +68°F.

The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +57°F to +63°F.

Is Seoul warm or cold in April?

Seoul is typically mild in April.

Maximum temperatures go up compared to the previous month from +52°F to +63°F. The minimum temperature also goes up from +34°F to +45°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how April is compared to other months in Seoul:

Travel to Seoul

Click to see more details
✈️
24
Flights per week
$1,687
Min. Price
$1,923
Max. Price

Climate in Seoul in April

Seoul weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+52°F+63°F+73°F
Min. temperature
+16°F+28°F+41°F
Max. temperature
+75°F+86°F+91°F
Rainfall
35 mm62 mm85 mm
Wind
2 m/s2 m/s2 m/s
Humidity
60%59%64%
Air pressure
1018 HPa1013 HPa1010 HPa
Sunny days
131212
Cloudy days
151314
Rainy days
355
Snowy days
000

April weather is still as good as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +52°F to +63°F during the day. Prepare for more rain. Average rainfall goes from 35 mm to 62 mm. It feels drier, as humidity decreases from 60% to 59%. The average wind speed doesn’t change much during April, staying around 2 m/s. The days becoming less sunny, going from 13 sunny days in March to 12 in April.

May brings much the same weather, it remains good.

Wind

Wind speed in Seoul in April based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Seoul is gradually increasing during April, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Seoul based on historical data.
Last Year
Historical Data
Typically, there is a 17% chance of rain on an average day in April, with total rainfall of approximately 28 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. On average, there are about 5 rainy days during April, so prepare to bring an umbrella.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Seoul wettest month is July, where a typical day has a 35% chance of precipitation and 261 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 10 mm of rainfall per day.

How was the weather last April in Seoul?

This is the weather in Seoul in April 2023:
1 April
☀️
+58°F
2 April
☀️
+56°F
3 April
☀️
+62°F
4 April
☀️
+62°F
5 April
☀️
+60°F
6 April
☀️
+63°F
7 April
☀️
+60°F
8 April
☀️
+68°F
9 April
☀️
+75°F
10 April
☀️
+76°F
11 April
☀️
+78°F
12 April
🌧️
+76°F
13 April
🌧️
+54°F
14 April
☀️
+59°F
15 April
☀️
+64°F
16 April
☀️
+66°F
17 April
☁️
+70°F
18 April
☀️
+71°F
19 April
🌫️
+70°F
20 April
☀️
+71°F
21 April
☀️
+72°F
22 April
🌫️
+63°F
23 April
🌫️
+77°F
24 April
🌫️
+75°F
25 April
🌫️
+74°F
26 April
☀️
+83°F
27 April
☀️
+73°F
28 April
☀️
+76°F
29 April
☀️
+60°F
30 April
🌫️
+62°F
In April 2023 Seoul had 21 sunny days, 1 cloudy days, and 2 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +82°F and a minimum of +54°F. The average humidity was 55%, with a maximum of 97% and a minimum of 16%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change Over the Years

This is how Seoul climate has changed over the last 43 years.

The climate in Seoul in April has not changed that much over the last 43 years.

The average temperature was the lowest in 2010 (+59°F) and the highest in 1994 (+74°F). The driest year was 1982 with only 7 mm of rainfall, and the wettest year was 2002 with 205 mm.

FAQ

Frequently asked questions about the weather in Seoul in April:

Is April a good time to visit Seoul?

April is a really good time to go to Seoul. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Seoul.

Can you sunbathe in Seoul in April?

April has mild temperatures in Seoul. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Seoul rainy in April?

Seoul is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Seoul in April?

The amount of sunny days in Seoul during April varies; prepare for a mix of clouds and sun.

How much does it cost to fly to Seoul in April?

The normal prices to fly to Seoul is $1,687 - $1,923. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.

Monthly weather in Seoul

Source of the data

For this page, we’ve looked at the typical weather in Seoul, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.