World Resorts South Korea Seoul Weather

Seoul weather in May

Weather in Seoul: May

Average day temperature: 74.1°F
Average night temperature: 59.1°F
Sea water temperature: 57.8°F
Number of sunny days: 19 days
Day length: 13.7 - 14.6 hours
Number of rainy days: 5 days
Precipitation totals: 3.1 in.

Air temperature in May, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
Day temperature   
Night temperature

The highest day temperature during May of 2024 was 82°F. At the same time the lowest night temperature was 45°F. Day and night temperature averages during May were 72.7°F and 59.1°F.

Sea water temperature in Seoul in May, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
50
53
56
59
62
65
68
71

The average sea water temperature in May of 2024 was 61.1°F. The highest and lowest sea temperatures during the month were 64.8°F and 56.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
58%
26%
16%

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.4
8.0
9.6
11.2
2.0
3.1
4.9
9.3
9.3
4.7
2.1
1.9
2.0
3.1
4.9
9.3
9.3
4.7
3.9
2.1
1.9

Precipitation total value in Seoul in May is 3.9 in. Other months of the year show relatively similar values.

Wind speed in May, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.4
3.6
4.8
6.1
7.3
8.5
5.6
5.6
5.3
5.2
5.5
5.5
5.6
7.1
6.5
6.4
5.4
5.6
5.6
5.3
5.2
5.5
5.5
5.6
6.7
7.1
6.5
6.4
5.4

The average wind speed value in May is 6.7 mph It makes May one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.3
4.9
6.6
8.2
9.8
11.5
13.1
5.9
6.6
7.4
7.5
6.4
6.2
8.6
8.8
8.0
7.1
6.3
5.9
6.6
7.4
7.5
6.4
6.2
8.6
9.6
8.8
8.0
7.1
6.3

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.6.

Best time for vacation in Seoul

Sunniest months:
October 19 days
May 19 days
March 18 days
Warmest months:
August 86.9 °F
July 85.6 °F
June 82.2 °F
Warmest sea temp:
August 78.6 °F
September 74.7 °F
July 74.4 °F
Coldest months:
January 32.8 °F
December 35.9 °F
February 38.2 °F
Rainiest months:
July 11 days
August 9 days
May 5 days
Windiest months:
April 7.3 mph
March 7.3 mph
May 6.6 mph

Seoul on a weather map

Leaflet | Tiles © Esri
Places in South Korea:
Name
°F
+27°F
+39°F
+45°F
+48°F
+39°F
+63°F
24 Hours Forecast
Seoul
Local time: 21:57
March 03, monday
0000
34°F
W
8 mph
0300
34°F
SW
9 mph
0600
32°F
SW
11 mph
0900
34°F
SW
10 mph
1200
37°F
W
12 mph
1500
39°F
W
14 mph
1800
37°F
W
11 mph
2100
34°F
SW
12 mph
Units of measurement: °C / °F