Measurements:
°C
°F
CURRENT WEATHER
19:46
Jeju
58°F
W 3 mph
Feels like: 58°F
Precip: 0%
World Resorts South Korea Jeju Weather

7 Day Weather Forecast

04.21
tue
DAY
62°F
W 8 mph
precip
0%
NIGHT
56°F
NW 4 mph
precip
0%
04.22
wed
DAY
60°F
SW 9 mph
precip
0%
NIGHT
56°F
W 19 mph
precip
100%
04.23
thu
DAY
58°F
SW 18 mph
precip
100%
NIGHT
56°F
S 2 mph
precip
0%
04.24
fri
DAY
64°F
S 6 mph
precip
0%
NIGHT
56°F
N 2 mph
precip
0%
04.25
sat
DAY
68°F
W 9 mph
precip
0%
NIGHT
60°F
NE 4 mph
precip
0%
04.26
sun
DAY
64°F
SW 7 mph
precip
0%
NIGHT
58°F
E 6 mph
precip
0%
04.27
mon
DAY
58°F
SE 15 mph
precip
0%
NIGHT
54°F
SE 2 mph
precip
0%

Jeju Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Jeju was 15.7°F. The maximum and minimum values were 14.7°F and 16.6°F respectively.

Jeju on the Weather Map

Best Time to Visit Jeju
The most sunny months:
May 15 days
October 14 days
April 14 days
The most warm months:
August 88.3 °F
July 85.5 °F
September 80.8 °F
Warmest sea temperature:
August 84.7 °F
September 80.5 °F
July 79.5 °F
The most cold months:
January 44.2 °F
February 45.9 °F
December 48.5 °F
The most rainy months:
August 8 days
September 7 days
July 7 days
The most windy months:
January 14 mph
December 14 mph
February 14 mph
more details