Incheon
May
Weather in Incheon for May 2025
Your guide to Incheon weather in May - trends and predictions
In general, the average temperature in Incheon at the beginning of May is 19.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.4 °C by the end of May.
The climate of Incheon in May is notably wet, with an average of 12 rainy days, and a total of 209.7 mm of precipitation.
Temperatures
Rain 🌧️
19
Dry days
12
Rainy days
0
Snow days
21°/14°
Temperatures
18 km/h
Avg max wind
57 %
Avg humidity
Incheon in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  20° | 3  22° | 4 23° | |||
| 5  18° | 6 14° | 7  19° | 8  19° | 9 19° | 10 21° | 11 21° |
| 12 20° | 13 21° | 14 21° | 15 20° | 16 22° | 17 23° | 18 21° |
| 19 26° | 20 22° | 21 24° | 22 23° | 23 23° | 24 23° | 25 24° |
| 26 23° | 27 21° | 28 22° | 29 25° | 30 25° | 31 24° |
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Temperatures trend during May in Incheon
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Partly cloudy | 19° /10° | 0 mm | 5 | |
| 2 May | Overcast | 20° /11° | 0 mm | 5 | |
| 3 May | Cloudy | 22° /12° | 0 mm | 6 | |
| 4 May | Overcast | 23° /14° | 2.8 mm | 5 | |
| 5 May | Moderate or heavy rain shower | 18° /15° | 122.1 mm | 4 | |
| 6 May | Moderate or heavy rain shower | 14° /12° | 22 mm | 4 | |
| 7 May | Patchy rain possible | 19° /11° | 1 mm | 4 | |
| 8 May | Sunny | 19° /9° | 0 mm | 6 | |
| 9 May | Sunny | 19° /11° | 0 mm | 5 | |
| 10 May | Overcast | 21° /11° | 0 mm | 6 | |
| 11 May | Sunny | 21° /12° | 10.5 mm | 6 | |
| 12 May | Cloudy | 20° /12° | 0 mm | 5 | |
| 13 May | Sunny | 21° /13° | 0 mm | 6 | |
| 14 May | Sunny | 21° /13° | 0 mm | 6 | |
| 15 May | Sunny | 20° /9° | 8.3 mm | 5 | |
| 16 May | Sunny | 22° /12° | 1.6 mm | 6 | |
| 17 May | Sunny | 23° /14° | 0 mm | 7 | |
| 18 May | Moderate rain at times | 21° /15° | 1.5 mm | 6 | |
| 19 May | Partly cloudy | 26° /16° | 0 mm | 7 | |
| 20 May | Overcast | 22° /16° | 0 mm | 5 | |
| 21 May | Overcast | 24° /15° | 0.1 mm | 6 | |
| 22 May | Overcast | 23° /15° | 0 mm | 5 | |
| 23 May | Sunny | 23° /15° | 0 mm | 6 | |
| 24 May | Overcast | 23° /15° | 0 mm | 6 | |
| 25 May | Sunny | 24° /16° | 0 mm | 6 | |
| 26 May | Sunny | 23° /16° | 1.5 mm | 6 | |
| 27 May | Moderate or heavy rain shower | 21° /15° | 8.8 mm | 6 | |
| 28 May | Moderate or heavy rain shower | 22° /16° | 20.2 mm | 5 | |
| 29 May | Moderate rain at times | 25° /17° | 8.9 mm | 6 | |
| 30 May | Moderate rain at times | 25° /17° | 0.6 mm | 6 | |
| 31 May | Cloudy | 24° /17° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Incheon 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 Incheon forecast closer to your planned date for the most up-to-date weather information.
Incheon in May - FAQ
What are the expected maximum and minimum temperatures in Incheon during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Incheon during May?
Significant rainfall exceeding 209.7 mm is expected in Incheon during May, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Incheon during May?
The average wind speed in Incheon during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Incheon
Explore the daily rainfall trends and prepare for Incheons May weather 💧
UV exposure in Incheon during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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