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

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

Sea water temperature in Jeju in May, °F

Show year:
2024
2023
2022

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

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

Precipitation total in May, in.

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

The average wind speed value in May is 9.4 mph It makes May one of the least windy months of the year.

Average sunny hours

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
March 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 44.9 °F
February 46.5 °F
December 48.6 °F
Rainiest months:
August 9 days
July 8 days
September 7 days
Windiest months:
January 14.5 mph
December 14.3 mph
February 14.0 mph

Jeju on a weather map

Jeju
+54°F
SE 11 mph
Feels like: +52°F
Precip.: 0%
Places in South Korea:
Name
°F
+39°F
+50°F
+46°F
+52°F
+48°F
+54°F
24 Hours Forecast
Jeju
Local time: 00:37
November 22, friday
0300
54°F
SE
11 mph
0600
55°F
SE
14 mph
0900
55°F
SE
16 mph
1200
55°F
SE
17 mph
1500
54°F
S
17 mph
1800
52°F
S
15 mph
2100
50°F
S
14 mph
November 23, saturday
0000
50°F
S
14 mph
Units of measurement: °C / °F