World Resorts South Korea Jeju Weather

Jeju weather in May

Weather in Jeju: May

Average day temperature: 68.0°F
Average night temperature: 61.2°F
Sea water temperature: 61.9°F
Number of sunny days: 15 days
Day length: 13.5 - 14.2 hours
Number of rainy days: 5 days
Precipitation totals: 4.8 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
12
24
36
48
60
72
84
96
Day temperature   
Night temperature

The highest day temperature during May of 2024 was 75°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during May were 68.2°F and 60.9°F.

Sea water temperature in Jeju in May, °F

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

The average sea water temperature in May of 2024 was 63.4°F. The highest and lowest sea temperatures during the month were 66.0°F and 60.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
45%
32%
23%

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
1.9
3.9
5.8
7.8
9.7
11.6
13.6
2.4
2.3
4.6
11.3
9.5
6.8
7.9
4.0
3.5
2.8
3.0
2.4
2.3
4.6
11.3
9.5
6.8
7.9
5.2
4.0
3.5
2.8
3.0

Precipitation total value in Jeju in May is 5.2 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
2.3
4.6
6.9
9.1
11.4
13.7
16.0
12.8
11.1
12.0
11.4
9.4
8.7
8.1
10.2
11.4
13.3
13.3
12.8
11.1
12.0
11.4
9.4
8.7
8.1
9.3
10.2
11.4
13.3
13.3

The average wind speed value in May is 9.3 mph It makes May one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
8.9
10.4
4.2
5.9
6.9
5.6
7.1
7.6
8.1
7.9
6.4
4.9
4.6
4.2
5.9
6.9
5.6
7.1
7.6
8.1
8.7
7.9
6.4
4.9
4.6

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: 8.7.

Best time for vacation in Jeju

Sunniest months:
October 15 days
May 15 days
April 14 days
Warmest months:
August 84.4 °F
July 81.8 °F
September 77.4 °F
Warmest sea temp:
August 81.1 °F
September 77.1 °F
July 76.3 °F
Coldest months:
January 44.8 °F
February 46.2 °F
December 48.5 °F
Rainiest months:
August 9 days
July 8 days
September 7 days
Windiest months:
January 14.4 mph
December 14.3 mph
February 14.0 mph

Jeju on a weather map

Leaflet | Tiles © Esri
Places in South Korea:
Name
°F
+54°F
+57°F
+61°F
+57°F
+66°F
+64°F
24 Hours Forecast
Jeju
Local time: 23:02
April 22, tuesday
0000
64°F
N
6 mph
0300
64°F
NW
4 mph
0600
64°F
N
7 mph
0900
64°F
NW
7 mph
1200
66°F
N
6 mph
1500
66°F
E
9 mph
1800
64°F
E
9 mph
2100
57°F
E
9 mph
Units of measurement: °C / °F