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Weather in South Korea for May 2025

Your guide to South Korea weather in May - trends and predictions
  • 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.
Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
55 %
Avg humidity

South Korea in May average weather

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Temperatures trend during May in South Korea

See the weather trend as well as the moving average line
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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Sunny
Sunny
21° /10° 0 mm 6
2 May Overcast
Overcast
22° /10° 0 mm 6
3 May Partly cloudy
Partly cloudy
25° /13° 0 mm 7
4 May Overcast
Overcast
26° /14° 1.2 mm 6
5 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /16° 132.8 mm 5
6 May Moderate or heavy rain shower
Moderate or heavy rain shower
15° /12° 22 mm 4
7 May Patchy rain possible
Patchy rain possible
19° /10° 1 mm 5
8 May Sunny
Sunny
22° /8° 0 mm 6
9 May Sunny
Sunny
21° /11° 0 mm 6
10 May Overcast
Overcast
23° /11° 0 mm 6
11 May Sunny
Sunny
23° /12° 12 mm 6
12 May Overcast
Overcast
22° /11° 0 mm 6
13 May Partly cloudy
Partly cloudy
23° /12° 0 mm 6
14 May Sunny
Sunny
23° /13° 0 mm 6
15 May Sunny
Sunny
22° /9° 8.7 mm 6
16 May Sunny
Sunny
23° /10° 2.2 mm 6
17 May Sunny
Sunny
25° /13° 0 mm 7
18 May Moderate or heavy rain shower
Moderate or heavy rain shower
23° /15° 1.5 mm 6
19 May Partly cloudy
Partly cloudy
27° /15° 0 mm 7
20 May Overcast
Overcast
24° /15° 0 mm 5
21 May Cloudy
Cloudy
26° /15° 0.1 mm 6
22 May Patchy rain possible
Patchy rain possible
26° /16° 0.1 mm 7
23 May Sunny
Sunny
26° /14° 0 mm 7
24 May Overcast
Overcast
27° /15° 0 mm 7
25 May Sunny
Sunny
26° /16° 0 mm 7
26 May Sunny
Sunny
25° /16° 1.8 mm 7
27 May Moderate or heavy rain shower
Moderate or heavy rain shower
23° /15° 9 mm 6
28 May Moderate or heavy rain shower
Moderate or heavy rain shower
22° /15° 24.3 mm 5
29 May Heavy rain at times
Heavy rain at times
27° /16° 7.4 mm 7
30 May Patchy rain possible
Patchy rain possible
27° /17° 0.6 mm 6
31 May Heavy rain at times
Heavy rain at times
26° /16° 0.7 mm 7
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Important Notice
Our weather forecast for South Korea in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Korea forecast closer to your planned date for the most up-to-date weather information.

South Korea in May - FAQ

What are the expected maximum and minimum temperatures in South Korea during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Korea during May?
Significant rainfall exceeding 447.1 mm is expected in South Korea during May, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in South Korea during May?
The average wind speed in South Korea during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

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

Explore the daily rainfall trends and prepare for South Koreas May weather 💧

UV exposure in South Korea during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates 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.

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