Measurements:
°C
°F
Jeju
60°F
E 17 mph
Feels like: 56°F
Precip: 0%
World Resorts South Korea Jeju Weather May Weather in Jeju

Jeju Weather: May

Average Day Temperature: 69.9°F
Average Night Temperature: 62.5°F
Sea Water Temperature: 63.2°F
Number of Sunny Days: 15 days
Sunshine Hours: 13.5 - 14.2 hours
Number of Rainy Days: 5 days
Precipitation Totals: 5.0 in

Air Temperature in May, °F

Select Year: 2023 2022 2021

The highest day temperature in May 2023 was 87°F. The lowest night temperature was 53°F. The average values for day and night temperatures during May were 71.2°F и 62.7°F respectivly.

Jeju Water Sea Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Jeju was 64.5°F. The maximum and minimum values were 62.6°F and 68.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Jeju is 5.0 in.

Wind Speed in May, mph

The average wind speed in May is 10.3 mph. It makes May one of the most windless months of the year for Jeju.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Jeju in May is 8.9 hours.

Best Time to Visit Jeju
The most sunny months:
October 15 days
May 15 days
March 14 days
The most warm months:
August 88.0 °F
July 85.1 °F
September 80.0 °F
Warmest sea temperature:
August 84.3 °F
September 79.6 °F
July 79.1 °F
The most cold months:
January 44.3 °F
February 46.1 °F
December 48.4 °F
The most rainy months:
August 9 days
July 8 days
September 7 days
The most windy months:
January 14 mph
December 14 mph
February 14 mph

Jeju on the Weather Map

South Korea Resorts:
NAME
Busan +66
Incheon +58
Jeju +60
Muju +62
Seoul +64
Yongpyong +46
24 Hours Weather Forecast
Jeju
Local time: 14:05
24 apr, wednesday
1500 60°F
E
17 mph
1800 56°F
SE
11 mph
2100 54°F
SE
7 mph
25 apr, thursday
0000 54°F
E
6 mph
0300 54°F
E
7 mph
0600 54°F
E
5 mph
0900 62°F
SE
3 mph
1200 64°F
S
6 mph