Seoul
May
Weather in Seoul for May 2026
Your guide to Seoul weather in May - trends and predictions
In general, the average temperature in Seoul at the beginning of May is 19.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.7 °C by the end of May.
Seoul in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 159.9 mm.
Temperatures
Rain 🌧️
12
Dry days
19
Rainy days
0
Snow days
22°/13°
Temperatures
17 km/h
Avg max wind
54 %
Avg humidity
Seoul Weather May
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Temperatures trend during May in Seoul
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May weather in Seoul day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Sunny | 18° /9° | 8.2 mm | 5 | |
| 2 May |  Moderate rain at times | 20° /9° | 0.9 mm | 5 | |
| 3 May | Sunny | 20° /10° | 2.1 mm | 5 | |
| 4 May |  Overcast | 22° /11° | 3.7 mm | 5 | |
| 5 May |  Partly cloudy | 19° /12° | 54.2 mm | 5 | |
| 6 May | Overcast | 18° /10° | 8.8 mm | 4 | |
| 7 May | Moderate or heavy rain shower | 20° /10° | 1.4 mm | 5 | |
| 8 May | Sunny | 21° /9° | 0.3 mm | 5 | |
| 9 May | Sunny | 21° /10° | 3.7 mm | 6 | |
| 10 May | Moderate or heavy rain shower | 20° /10° | 5.7 mm | 4 | |
| 11 May | Sunny | 23° /11° | 4.8 mm | 6 | |
| 12 May | Sunny | 24° /11° | 0 mm | 6 | |
| 13 May | Partly cloudy | 25° /13° | 0 mm | 6 | |
| 14 May | Sunny | 24° /13° | 0 mm | 6 | |
| 15 May | Sunny | 22° /12° | 7.3 mm | 5 | |
| 16 May |  Patchy rain possible | 22° /12° | 17.4 mm | 5 | |
| 17 May | Sunny | 23° /12° | 0.7 mm | 6 | |
| 18 May |  Cloudy | 23° /13° | 0.6 mm | 5 | |
| 19 May | Cloudy | 25° /14° | 0.1 mm | 6 | |
| 20 May | Moderate or heavy rain shower | 25° /15° | 2.9 mm | 6 | |
| 21 May | Cloudy | 24° /14° | 1.3 mm | 5 | |
| 22 May | Partly cloudy | 26° /15° | 0.1 mm | 6 | |
| 23 May | Sunny | 25° /14° | 0.8 mm | 6 | |
| 24 May | Overcast | 24° /14° | 0.2 mm | 6 | |
| 25 May | Sunny | 24° /14° | 2.2 mm | 6 | |
| 26 May | Sunny | 24° /14° | 0.8 mm | 6 | |
| 27 May | Moderate or heavy rain shower | 23° /14° | 5.9 mm | 5 | |
| 28 May | Moderate or heavy rain shower | 24° /14° | 14 mm | 5 | |
| 29 May | Patchy rain possible | 26° /15° | 3.2 mm | 6 | |
| 30 May | Patchy rain possible | 26° /16° | 2.4 mm | 6 | |
| 31 May | Sunny | 26° /16° | 6.1 mm | 6 | |
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Important Notice
Our weather forecast for Seoul 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 Seoul forecast closer to your planned date for the most up-to-date weather information.
Change Month
Seoul in May - FAQ
What are the expected maximum and minimum temperatures in Seoul during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Seoul during May?
Significant rainfall exceeding 159.9 mm is expected in Seoul during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Seoul during May?
The average wind speed in Seoul during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Seoul
Explore the daily rainfall trends and prepare for Seouls May weather 💧
UV exposure in Seoul during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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