Weather in South Korea for May 2025
In general, the average temperature in South Korea at the beginning of May is 20.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.4 °C by the end of May.
South Korea in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 177.4 mm.
Temperatures
Rain 🌧️
South Korea in May average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  20° | 3 22° | 4  23° | |||
| 5  20° | 6 19° | 7 20° | 8 21° | 9 22° | 10 21° | 11 24° |
| 12 25° | 13 25° | 14 24° | 15 22° | 16 22° | 17 23° | 18  24° |
| 19 26° | 20 25° | 21 23° | 22 26° | 23 26° | 24 26° | 25 25° |
| 26  24° | 27 22° | 28 23° | 29 25° | 30 26° | 31 26° |
You can click on date
Temperatures trend during May in South Korea
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Sunny | 19° /9° | 2.1 mm | 5 | |
| 2 May | Moderate rain at times | 20° /9° | 0.9 mm | 5 | |
| 3 May | Sunny | 22° /10° | 0 mm | 6 | |
| 4 May | Overcast | 23° /12° | 4.7 mm | 6 | |
| 5 May | Partly cloudy | 20° /13° | 67.6 mm | 5 | |
| 6 May | Overcast | 19° /11° | 11 mm | 5 | |
| 7 May | Moderate or heavy rain shower | 20° /11° | 1.7 mm | 5 | |
| 8 May | Sunny | 21° /9° | 0.3 mm | 5 | |
| 9 May | Sunny | 22° /10° | 0.1 mm | 6 | |
| 10 May | Moderate or heavy rain shower | 21° /10° | 5.2 mm | 5 | |
| 11 May | Sunny | 24° /12° | 6 mm | 6 | |
| 12 May | Sunny | 25° /12° | 0 mm | 6 | |
| 13 May | Partly cloudy | 25° /13° | 0 mm | 6 | |
| 14 May | Sunny | 24° /13° | 0 mm | 6 | |
| 15 May | Sunny | 22° /11° | 6.4 mm | 6 | |
| 16 May | Sunny | 22° /11° | 21.7 mm | 5 | |
| 17 May | Sunny | 23° /12° | 0.7 mm | 6 | |
| 18 May | Cloudy | 24° /14° | 0.7 mm | 5 | |
| 19 May | Cloudy | 26° /14° | 0 mm | 6 | |
| 20 May | Moderate or heavy rain shower | 25° /15° | 3.6 mm | 6 | |
| 21 May | Cloudy | 23° /13° | 1.6 mm | 5 | |
| 22 May | Partly cloudy | 26° /15° | 0 mm | 7 | |
| 23 May | Sunny | 26° /14° | 0 mm | 7 | |
| 24 May | Overcast | 26° /14° | 0 mm | 6 | |
| 25 May | Sunny | 25° /14° | 2.7 mm | 6 | |
| 26 May | Patchy rain possible | 24° /14° | 1 mm | 6 | |
| 27 May | Moderate or heavy rain shower | 22° /14° | 7.3 mm | 5 | |
| 28 May | Moderate or heavy rain shower | 23° /14° | 17 mm | 5 | |
| 29 May | Patchy rain possible | 25° /14° | 4 mm | 6 | |
| 30 May | Patchy rain possible | 26° /16° | 3 mm | 6 | |
| 31 May | Sunny | 26° /16° | 7.6 mm | 6 | |
| Next | |||||
Guide for South Korea in May
May in South Korea marks the delightful transition from spring to early summer, offering a pleasant climate for travelers. At the beginning of May, cities like Seoul and Busan experience mild temperatures, with averages around 12° to 18°.
The weather is generally dry, making it an ideal time for outdoor activities and exploring the vibrant cityscapes and cultural sites.
As the month progresses, temperatures gradually rise, especially towards the end of May. In Seoul, you can expect temperatures to climb to around 20° to 25°, while Busan, being a coastal city, remains slightly cooler.
The increase in temperature is accompanied by a slight rise in humidity, but it remains comfortable for most visitors.
May is also a time when South Korea's natural beauty is on full display. The cherry blossoms have faded, but the lush greenery and blooming flowers create picturesque landscapes, particularly in regions like Jeju Island and the countryside of Gyeongju.
These areas offer a serene escape from the bustling cities.
Overall, May is a favorable month to visit South Korea, with its pleasant weather and vibrant natural scenery providing an excellent backdrop for cultural exploration and outdoor adventures.
Have you visited South Korea in May? Share your experience by writing a review.
South Korea in May - FAQ
May rainfall patterns in South Korea
UV exposure in South Korea during May
Quick links
Where is South Korea?Get accurate weather forecasts for South Korea, located at latitude 37.566 and longitude 126.978. Stay updated with localized weather information tailored for South Korea.