Planning a trip to Jeju in April? You are in luck! The weather is generally good, with an average maximum temperature of +16°C and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 99 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+16°C
Avg. max. temperature
+4°C
Min.
+27°C
Max.
99 mm
Total precipitation
71%
Avg. humidity
3 m/s
Avg. wind
8 ☀️
Sunny Days
10 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Jeju has good weather in April.
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Average temperature in Jeju in April
Here are the expected maximum, average and minimum temperatures in Jeju for April based on the historical data.
Last Year
Historical Data
Going from a maximum of +21°C during the day to a minimum of +7°C during the night, the temperature in April averages around +17°C.
The average maximum temperature goes down 7% by the end of the month, compared with the beginning of the month, from +18°C to +17°C.
Is Jeju warm or cold in April?
Jeju is typically mild in April.
Maximum temperatures go up compared to the previous month from +12°C to +16°C. The minimum temperature also goes up from +7°C to +11°C.
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 Jeju:
Climate in Jeju in April
Jeju weather looks like this, on average, in April and the surrounding months.
March
April
May
Avg. temperature
+12°C
+16°C
+20°C
Min. temperature
-1°C
+4°C
+8°C
Max. temperature
+26°C
+27°C
+32°C
Rainfall
92 mm
99 mm
106 mm
Wind
4 m/s
3 m/s
3 m/s
Humidity
68%
71%
75%
Air pressure
1019 HPa
1015 HPa
1011 HPa
Sunny days
6
8
9
Cloudy days
10
10
10
Rainy days
14
13
12
Snowy days
0
0
0
April often has better weather than March.It’s getting warmer as April arrives. The average maximum temperature goes up from +12°C to +16°C during the day.Prepare for more rain. Average rainfall goes from 92 mm to 99 mm.Humidity rises from 68% to 71%.Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average.The good news is there are likely to be more sunny days in April, from 6 to 8.
Next month (May) brings a further decline in the weather.
Wind speed in Jeju in April based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Jeju is gradually decreasing during April, going from 6 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during April in Jeju based on historical data.
Last Year
Historical Data
Typically, there is a 40% chance of rain on an average day in April, with total rainfall of approximately 96 mm. The maximum amount of rainfall per day is around 27 mm, which is moderate rain.April is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Jeju wettest month is June, where a typical day has a 50% chance of precipitation and 193 mm of rainfall per day. December, on the other hand, is the driest month with a mere 48% chance of precipitation and 59 mm of rainfall per day.
How was the weather last April in Jeju?
This is the weather in Jeju in April 2024:
1 April
☀️
+18°C
2 April
☀️
+17°C
3 April
☀️
+17°C
4 April
🌧️
+18°C
5 April
☁️
+17°C
6 April
🌫️
+13°C
7 April
☁️
+13°C
8 April
☀️
+13°C
9 April
☀️
+15°C
10 April
☀️
+17°C
11 April
☁️
+20°C
12 April
☀️
+17°C
13 April
☀️
+18°C
14 April
🌧️
+16°C
15 April
☁️
+16°C
16 April
☀️
+16°C
17 April
☀️
+18°C
18 April
☁️
+21°C
19 April
☀️
+20°C
20 April
☀️
+21°C
21 April
☀️
+19°C
22 April
☀️
+17°C
23 April
☁️
+16°C
24 April
🌧️
+14°C
25 April
🌧️
+14°C
26 April
☀️
+15°C
27 April
☀️
+17°C
28 April
☁️
+19°C
29 April
🌧️
+18°C
30 April
☀️
+17°C
In April 2024 Jeju had 17 sunny days, 7 cloudy days, and 5 rainy days. The average maximum temperature was +17°C, with an absolute maximum of +21°C and a minimum of +13°C. The average humidity was 70%, with a maximum of 100% and a minimum of 17%. The average wind speed was 5 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in April?
Climate Change over Years
This is how Jeju climate have been changing during last 43 years period.
The climate in Jeju in April has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+17°C) and the highest in 2024 (+19°C). The driest year was 2005 with only 752 mm of rainfall, and the wettest year was 1985 with 1808 mm.
FAQ
Frequently asked questions about the weather in Jeju in April:
Is April a good time to visit Jeju?
April is a really good time to go to Jeju. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Jeju.
Can you sunbathe in Jeju in April?
April has mild temperatures in Jeju. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Jeju rainy in April?
Jeju 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 Jeju in April?
Usually, it’s not very sunny in Jeju in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in South Korea
Check out the weather for other cities in South Korea.
For this page, we’ve looked at the typical weather in Jeju, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
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.
