Weather in South Korea for May 2025
In general, the average temperature in South Korea at the beginning of May is 21 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.1 °C by the end of May.
South Korea sees moderate rainfall in May, averaging 7 rainy days.
Is May a good time to visit South Korea? check out the best time to travel to South Korea page.
- New! Chat with our AI weatherman - it’s amazing and free.
South Korea in May average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 21° | 2 22° | 3 25° | 4 26° | |||
5 19° | 6 15° | 7 19° | 8 22° | 9 21° | 10 23° | 11 23° |
12 22° | 13 23° | 14 23° | 15 22° | 16 23° | 17 25° | 18 23° |
19 27° | 20 24° | 21 26° | 22 26° | 23 26° | 24 27° | 25 26° |
26 25° | 27 23° | 28 22° | 29 27° | 30 27° | 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 | 21° /10° | 0 mm | 6 | |
2 May | Overcast | 22° /10° | 0 mm | 6 | |
3 May | Partly cloudy | 25° /13° | 0 mm | 7 | |
4 May | Overcast | 26° /14° | 1.2 mm | 6 | |
5 May | Moderate or heavy rain shower | 19° /16° | 132.8 mm | 5 | |
6 May | Moderate or heavy rain shower | 15° /12° | 22 mm | 4 | |
7 May | Patchy rain possible | 19° /10° | 1 mm | 5 | |
8 May | Sunny | 22° /8° | 0 mm | 6 | |
9 May | Sunny | 21° /11° | 0 mm | 6 | |
10 May | Overcast | 23° /11° | 0 mm | 6 | |
11 May | Sunny | 23° /12° | 12 mm | 6 | |
12 May | Overcast | 22° /11° | 0 mm | 6 | |
13 May | Partly cloudy | 23° /12° | 0 mm | 6 | |
14 May | Sunny | 23° /13° | 0 mm | 6 | |
15 May | Sunny | 22° /9° | 8.7 mm | 6 | |
16 May | Sunny | 23° /10° | 2.2 mm | 6 | |
17 May | Sunny | 25° /13° | 0 mm | 7 | |
18 May | Moderate or heavy rain shower | 23° /15° | 1.5 mm | 6 | |
19 May | Partly cloudy | 27° /15° | 0 mm | 7 | |
20 May | Overcast | 24° /15° | 0 mm | 5 | |
21 May | Cloudy | 26° /15° | 0.1 mm | 6 | |
22 May | Patchy rain possible | 26° /16° | 0.1 mm | 7 | |
23 May | Sunny | 26° /14° | 0 mm | 7 | |
24 May | Overcast | 27° /15° | 0 mm | 7 | |
25 May | Sunny | 26° /16° | 0 mm | 7 | |
26 May | Sunny | 25° /16° | 1.8 mm | 7 | |
27 May | Moderate or heavy rain shower | 23° /15° | 9 mm | 6 | |
28 May | Moderate or heavy rain shower | 22° /15° | 24.3 mm | 5 | |
29 May | Heavy rain at times | 27° /16° | 7.4 mm | 7 | |
30 May | Patchy rain possible | 27° /17° | 0.6 mm | 6 | |
31 May | Heavy rain at times | 26° /16° | 0.7 mm | 7 | |
Next |
South Korea in May - FAQ
What to pack to South Korea in May?
As you prepare for your trip to South Korea in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in South Korea, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in South Korea
UV exposure in South Korea during May
Quick links
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.