Weather in Seoul for April 2026
The forecast for the next days in Seoul predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Seoul at the beginning of April is 16.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.9 °C by the end of April.
The climate of Seoul in April is notably wet, with an average of 15 rainy days, and a total of 77.3 mm of precipitation.
Temperatures
Rain 🌧️
Seoul Weather April
Temperatures trend during April in Seoul
April weather in Seoul day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. |  Partly cloudy | 18° /6° | 0.1 mm | 5 | |
| 2 Apr. |  Sunny | 18° /7° | 0.3 mm | 5 | |
| 3 Apr. | Partly cloudy | 18° /7° | 7.9 mm | 5 | |
| 4 Apr. |  Patchy rain possible | 18° /12° | 1.2 mm | 1.1 | |
| 5 Apr. | Patchy rain possible | 16° /8° | 0.4 mm | 1.3 | |
| 6 Apr. | Patchy rain possible | 14° /7° | 3.4 mm | 0.9 | |
| 7 Apr. | Sunny | 13° /6° | 0 mm | 1.3 | |
| 8 Apr. | Sunny | 14° /7° | 0 mm | 1.6 | |
| 9 Apr. | Partly cloudy | 19° /9° | 0 mm | 4 | |
| 10 Apr. | Sunny | 23° /13° | 0 mm | 5 | |
| 11 Apr. | Sunny | 22° /13° | 0 mm | 5 | |
| 12 Apr. | Sunny | 15° /11° | 0 mm | 4 | |
| 13 Apr. | Sunny | 17° /9° | 0 mm | 4 | |
| 14 Apr. | Sunny | 18° /10° | 0 mm | 4 | |
| 15 Apr. | Partly cloudy | 22° /13° | 0 mm | 5 | |
| 16 Apr. | Patchy rain possible | 18° /17° | 0.4 mm | 4 | |
| 17 Apr. |  Moderate rain | 18° /15° | 7 mm | 4 | |
| 18 Apr. | Sunny | 19° /9° | 3.5 mm | 5 | |
| 19 Apr. | Sunny | 21° /9° | 2.6 mm | 5 | |
| 20 Apr. | Sunny | 21° /10° | 0.2 mm | 5 | |
| 21 Apr. |  Overcast | 23° /11° | 0 mm | 6 | |
| 22 Apr. | Partly cloudy | 20° /12° | 5.4 mm | 5 | |
| 23 Apr. | Partly cloudy | 22° /11° | 0 mm | 5 | |
| 24 Apr. | Overcast | 19° /11° | 2.3 mm | 4 | |
| 25 Apr. | Partly cloudy | 19° /10° | 0.6 mm | 5 | |
| 26 Apr. | Sunny | 20° /11° | 2.1 mm | 5 | |
| 27 Apr. | Sunny | 21° /10° | 0 mm | 5 | |
| 28 Apr. | Overcast | 22° /11° | 0.5 mm | 5 | |
| 29 Apr. |  Moderate or heavy rain shower | 19° /11° | 7.7 mm | 5 | |
| 30 Apr. | Partly cloudy | 19° /10° | 3.4 mm | 5 | |
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Guide for Seoul in April
April in Seoul, South Korea, is a delightful time as the city transitions from the chilly days of winter to the warmer embrace of spring. At the beginning of the month, temperatures typically range from 8° during the day to around 3° at night.
The early April weather can still be a bit brisk, so light jackets and sweaters are advisable for comfort.
As the month progresses, the temperatures gradually rise, bringing a more pleasant and mild climate. By mid-April, daytime temperatures often reach around 15°, while nighttime temperatures hover around 7°.
This period is particularly beautiful as cherry blossoms are in full bloom, painting the city in shades of pink and white.
Towards the end of April, the weather becomes even more inviting. Daytime temperatures can climb to around 20°, with nighttime temperatures remaining comfortably cool at around 10°.
The increased warmth encourages outdoor activities, and locals and tourists alike enjoy strolling through parks and along the Han River. Rainfall is relatively low during April, with occasional light showers that help to freshen the air and nourish the blooming flora.
Overall, April in Seoul offers a refreshing and picturesque experience, making it an ideal time to visit the vibrant city.
Seoul in April - FAQ
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April rainfall patterns in Seoul
UV exposure in Seoul during April
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