Jeju weather in April
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Jeju April weather at a glance
In April, Jeju averages 15.4°C, with typical highs of 18.5°C and lows of 12°C. The historical average is 12 wet days and 75% humidity.
Jeju April temperature & humidity
Jeju April rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Jeju in April
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 18.5°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Jeju April sunrise & sunset times
2026 April · Local time (Asia/Seoul)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-04-01 | 06:22 | 18:54 | 12h 32m |
| 2026-04-15 | 06:04 | 19:04 | 13h 0m |
| 2026-04-30 | 05:47 | 19:16 | 13h 29m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Jeju
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
April weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Jeju weather like in April?
In April, Jeju averages 15.4°C, with typical highs of 18.5°C and lows of 12°C. The historical average is 12 wet days and 75% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Jeju in April?
There are about 12 wet days in April. A compact umbrella is still useful.
What should I wear in Jeju in April?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Jeju?
Recent weather data rates May among the more comfortable months.
Where can I check Jeju weather in April in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Jeju in April?
On 2026-04-15, calculated sunrise is 06:04 and sunset is 19:04 in local time (Asia/Seoul). Times vary by date and terrain.
Jeju weather by month
More South Korea destinations in April
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations