Jeju Weather in April
With daytime temperatures of 16°C (61°F) and nighttime lows of 11°C (52°F), April in Jeju brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 109 mm (4.3 in) falls on average.
Rainfall in Jeju in April
Typically around 12 days of rainfall are expected, averaging 109 mm (4.3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Jeju in April
If you're visiting Jeju in April, expect highs of 16°C (61°F) and overnight lows around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Jeju in April
The days are predominantly sunny, with an estimated total of around 196 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Should you favor a climate that's both dry and comfortably warm, October typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Jeju's climate page.
Jeju Temperature in April
Min Temperature
11°C (52°F)
Max Temperature
16°C (61°F)
Chance of Rain
40%
Precipitation
109 mm (4.3 in)
Rainy days
12 days
Humidity
66%
Sunshine
196 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Jeju typically rise from around 15°C (59°F) at the start of April to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Jeju in April
Browse day-by-day weather records for Jeju spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jeju historical weather extremes in April
The extremes listed below come from historical weather data collected in Jeju from 1976 through 2026.
- The warmest day in April was on April 28, 2005, with a maximum of 29°C (84°F).
- The lowest daytime temperature in April was 7°C (45°F), recorded on April 2, 1996.
- Nighttime temperatures dropped to 1°C (34°F) on April 1, 1985, marking the coldest April night on record.
Best Places in South Korea in April
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in April →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Jeju in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Jeju in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Jeju's climate page.
Temperature Rainfall Sunshine Humidity
See the full Jeju climate overview or explore weather in South Korea.
