Jeju

Jeju Island Weather in April

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

🔎
Jeju Seogwipo

Thinking about venturing to Jeju Island, South Korea this April and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Jeju Island in April

Jeju Island, South Korea is a region in South Korea. April in Jeju Island generally has mild temperatures, with high precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 11°C (52°F) in Jeju.

To explore the conditions in Jeju Island, South Korea in more detail, check the map below.

Precipitation

In April, precipitation varies across different areas. From high rainfall in Jeju with an average of 109 mm (4.3 in) to high rainfall in Seogwipo with 127 mm (5 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Jeju enjoys about 196 hours of sunlight, ideal for those seeking sunny weather.

Explore Jeju Island by month

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

January9°C (48°F) February10°C (50°F) March13°C (55°F) April16°C (61°F) May20°C (68°F) June23°C (73°F) This monthJuly28°C (82°F) August29°C (84°F) September26°C (79°F) October21°C (70°F) November17°C (63°F) December12°C (54°F)
Best Time to Visit Jeju Island →

Best Places to Visit in Jeju Island in April

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

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 Jeju Island

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

Temperature range in Jeju Island (April)

Precipitation variation in Jeju Island (April)

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 →

Is your destination not in the list? Have a look at all destinations in Jeju Island, 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 Jeju Island in April.

City Weather Day temp Night temp Rainfall
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)

Jeju Island weather in April: frequently asked questions

What is the weather like in Jeju Island, South Korea in April?

April in Jeju Island, South Korea brings unpleasant weather. In Jeju, daytime temperatures are typically around 16°C (61°F) and nighttime lows hover near 11°C (52°F).

What is the average temperature in Jeju Island, South Korea in April?

Jeju averages a daytime maximum of 16°C (61°F) in April, with overnight lows close to 11°C (52°F).

Does Jeju Island, South Korea get a lot of rain in April?

Jeju typically receives notable rainfall in April, about 109 mm (4.3 in) on average across Jeju Island, South Korea.

Is April a Good Time to Visit Jeju Island, South Korea?

Given the typically unpleasant weather conditions in Jeju, April may not be the ideal time to visit Jeju Island, South Korea.

Generally speaking, October provides perfect weather in Jeju. The weather in January and February, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Jeju Island.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Mud festival in South Korea

In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Must visit in South Korea →