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Weather in Incheon for May 2027

Your guide to Incheon weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Incheon at the beginning of May is 17.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.3 °C by the end of May.

    • Rain 🌧️

  • Incheon experiences moderate rainfall in May, with an average of 9 rainy days and a total precipitation of 154.4 mm.

    • More

  • Is May a good time to visit Incheon? check out the best time to travel to Incheon page.

Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/14°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Incheon Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
18°
2
Overcast
19°
3
Light rain
17°
4
Patchy rain possible
19°
5
Heavy rain
17°
6
Moderate rain
16°
7
Patchy rain possible
17°
8
Sunny
19°
9
Light rain
18°
10
Patchy rain possible
20°
11
Light rain
19°
12
Sunny
19°
13
Sunny
19°
14
Sunny
24°
15
Light rain
20°
16
Sunny
21°
17
Sunny
22°
18
Partly cloudy
21°
19
Partly cloudy
23°
20
Moderate rain
21°
21
Patchy rain possible
22°
22
Overcast
23°
23
Patchy rain possible
21°
24
Overcast
21°
25
Partly cloudy
23°
26
Patchy rain possible
22°
27
Moderate or heavy rain shower
21°
28
Moderate rain
22°
29
Light rain
23°
30
Sunny
23°
31
Sunny
23°

Temperatures trend during May in Incheon

See the weather trend as well as the moving average line

May weather in Incheon day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Light rain
Light rain
 18° /11° 6.6 mm 6
2 May Overcast
Overcast
 19° /11° 0.5 mm 5
3 May Light rain
Light rain
 17° /11° 4.8 mm 4
4 May Patchy rain possible
Patchy rain possible
 19° /12° 1.4 mm 6
5 May Heavy rain
Heavy rain
 17° /12° 61.3 mm 6
6 May Moderate rain
Moderate rain
 16° /11° 11 mm 5
7 May Patchy rain possible
Patchy rain possible
 17° /11° 1.4 mm 5
8 May Sunny
Sunny
 19° /10° 0.1 mm 6
9 May Light rain
Light rain
 18° /12° 5.5 mm 6
10 May Patchy rain possible
Patchy rain possible
 20° /12° 1.4 mm 6
11 May Light rain
Light rain
 19° /12° 6.3 mm 5
12 May Sunny
Sunny
 19° /12° 0.6 mm 5
13 May Sunny
Sunny
 19° /13° 0 mm 7
14 May Sunny
Sunny
 24° /14° 0 mm 7
15 May Light rain
Light rain
 20° /12° 8.2 mm 6
16 May Sunny
Sunny
 21° /14° 0.9 mm 7
17 May Sunny
Sunny
 22° /14° 0.1 mm 7
18 May Partly cloudy
Partly cloudy
 21° /15° 0.8 mm 6
19 May Partly cloudy
Partly cloudy
 23° /16° 0.2 mm 7
20 May Moderate rain
Moderate rain
 21° /15° 13.4 mm 4
21 May Patchy rain possible
Patchy rain possible
 22° /16° 2.2 mm 5
22 May Overcast
Overcast
 23° /16° 0.8 mm 7
23 May Patchy rain possible
Patchy rain possible
 21° /15° 1.8 mm 6
24 May Overcast
Overcast
 21° /15° 0.3 mm 7
25 May Partly cloudy
Partly cloudy
 23° /15° 0 mm 7
26 May Patchy rain possible
Patchy rain possible
 22° /16° 1.7 mm 4
27 May Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /17° 7.7 mm 5
28 May Moderate rain
Moderate rain
 22° /17° 10.6 mm 6
29 May Light rain
Light rain
 23° /17° 4.4 mm 7
30 May Sunny
Sunny
 23° /17° 0.3 mm 7
31 May Sunny
Sunny
 23° /18° 0 mm 7
Next
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.
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Incheon in May - FAQ

What are the expected maximum and minimum temperatures in Incheon during May?
Enjoy moderate daytime temperatures of up to 20° 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 154.4 mm is expected in Incheon during May, occurring over more than 9 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 19 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 💧
Typically, Incheon has 9 rainy days in May with a total of 154.4 mm of rainfall.

UV exposure in Incheon during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Incheon?

Get accurate weather forecasts for Incheon, located at latitude 37.456 and longitude 126.705. Stay updated with localized weather information tailored for Incheon.

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