Seoul

South Korea Weather in April

Average temperatures, rainfall, sunshine and the best places to visit in South Korea in April.

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Seoul Busan Jeju Seogwipo

Are you planning a trip a to South Korea in April and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in South Korea in April

April in South Korea generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high.

Temperatures

During the day the temperature is mild in Anmyeon at 14°C (57°F) and pleasant in Daegu at 21°C (70°F). As night falls, temperatures generally drop to 7°C (45°F) in Daegu and 8°C (46°F) in Anmyeon.

For specific regional insights in South Korea, refer to the map provided below.

Precipitation

In April, precipitation varies across different areas. From moderate rainfall in Ganghwa with an average of 67 mm (2.6 in) to high rainfall in Yeosu with 137 mm (5.4 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Seoul enjoys approximately 208 hours of sunlight, ideal for those seeking sunny weather.

Explore South Korea by month

Pick a month to see the average temperature, rainfall and sunshine in South Korea — and find the best time to visit. (based on Seoul)

January3°C (37°F) February6°C (43°F) March12°C (54°F) April19°C (66°F) May24°C (75°F) June28°C (82°F) This monthJuly30°C (86°F) August31°C (88°F) September27°C (81°F) October21°C (70°F) November13°C (55°F) December5°C (41°F)
Best Time to Visit South Korea →

Best Places to Visit in South Korea in April

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Korea.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in South Korea

What is the weather like in April for some of the most popular destinations in South Korea?

Temperature range in South Korea (April)

Precipitation variation in South Korea (April)

Seoul

In April Seoul generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« March
April
May »
March
April
May
Max temperature
12°C (54°F)
19°C (66°F)
24°C (75°F)
Min temperature
0°C (32°F)
6°C (43°F)
12°C (54°F)
Monthly sun hours
199 hours
208 hours
225 hours
Monthly rainfall
39 mm (1.5 in)
74 mm (2.9 in)
99 mm (3.9 in)
Monthly rainy days
7 days
8 days
8 days
Weather conditions
unpleasant
pleasant
perfect
Climate in Seoul →

Busan

In April Busan generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« March
April
May »
March
April
May
Max temperature
14°C (57°F)
18°C (64°F)
22°C (72°F)
Min temperature
6°C (43°F)
10°C (50°F)
15°C (59°F)
Monthly sun hours
202 hours
210 hours
227 hours
Monthly rainfall
87 mm (3.4 in)
123 mm (4.8 in)
123 mm (4.8 in)
Monthly rainy days
8 days
10 days
9 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Busan →

Jeju

In April Jeju generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« March
April
May »
March
April
May
Max temperature
13°C (55°F)
16°C (61°F)
20°C (68°F)
Min temperature
7°C (45°F)
11°C (52°F)
15°C (59°F)
Monthly sun hours
158 hours
196 hours
211 hours
Monthly rainfall
99 mm (3.9 in)
109 mm (4.3 in)
111 mm (4.4 in)
Monthly rainy days
11 days
12 days
11 days
Weather conditions
unpleasant
unpleasant
pleasant
Climate in Jeju →

Seogwipo

In April Seogwipo generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« March
April
May »
March
April
May
Max temperature
14°C (57°F)
18°C (64°F)
22°C (72°F)
Min temperature
6°C (43°F)
10°C (50°F)
15°C (59°F)
Monthly sun hours
173 hours
190 hours
198 hours
Monthly rainfall
101 mm (4 in)
127 mm (5 in)
134 mm (5.3 in)
Monthly rainy days
11 days
12 days
11 days
Weather conditions
unpleasant
tolerable
pleasant
Climate in Seogwipo →

Incheon

In April Incheon generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« March
April
May »
March
April
May
Max temperature
10°C (50°F)
16°C (61°F)
21°C (70°F)
Min temperature
2°C (36°F)
7°C (45°F)
13°C (55°F)
Monthly sun hours
218 hours
222 hours
242 hours
Monthly rainfall
38 mm (1.5 in)
73 mm (2.9 in)
98 mm (3.9 in)
Monthly rainy days
6 days
8 days
8 days
Weather conditions
poor
tolerable
perfect
Climate in Incheon →

Is your destination not in the list? Have a look at all destinations in South Korea.

In our records: South Korea April extremes

Notable April records observed across cities in South Korea in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest April day in South Korea brought 500 mm (20 in) in Jeonju on April 30, 2011.

Popular cities in April

Day & night temperatures, rainfall and average weather in South Korea in April.

City Weather Day temp Night temp Rainfall
Seoul 19°C (66°F) 6°C (43°F) 74 mm (2.9 in)
Busan 18°C (64°F) 10°C (50°F) 123 mm (4.8 in)
Jeju 16°C (61°F) 11°C (52°F) 109 mm (4.3 in)
Seogwipo 18°C (64°F) 10°C (50°F) 127 mm (5 in)
Incheon 16°C (61°F) 7°C (45°F) 73 mm (2.9 in)
Sokcho 15°C (59°F) 7°C (45°F) 77 mm (3 in)

South Korea weather in April: frequently asked questions

What is the weather like in South Korea in April?

South Korea typically experiences pleasant weather in April, part of the season. Daytime highs in Seoul average around 19°C (66°F), and temperatures drop to about 6°C (43°F) at night.

What is the average temperature in South Korea in April?

Daytime temperatures in Seoul peak at roughly 19°C (66°F) in April, dropping to about 6°C (43°F) overnight.

Does South Korea get a lot of rain in April?

Not particularly. Seoul averages just 74 mm (2.9 in) of rain in April, making it a mostly dry month for South Korea.

Is April a Good Time to Visit South Korea?

In our opinion, April is a good time to visit South Korea with overall pleasant weather in Seoul. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit South Korea is in May and October with generally perfect weather in Seoul. In contrast, January, July and August tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in South Korea.

Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed historical weather averages for many cities in South Korea.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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