Measurements:
°C
°F
Jeju
48°F
E 8 mph
Feels like: 44°F
Precip: 0%
World Resorts South Korea Jeju Weather

Jeju Sea Water Temperature

Current Sea Water Temperature:
+62.8°F
Maximum Sea Water Temperature in December: 68.6°F
Minimum Sea Water Temperature in December: 60.2°F
Average water temperature in December: 63.8°F

Sea Water Temperature for the Last 10 Days:

December 24 62.8°F December 19 63.6°F
December 23 63.2°F December 18 63.8°F
December 22 63.2°F December 17 63.6°F
December 21 63.2°F December 16 63.8°F
December 20 63.2°F December 15 63.8°F

When is the Warmest Sea for Jeju?

According to our data for the last three years for Jeju the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Jeju was 87.7°F. The maximum and minimum values were 83.6°F and 90.4°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Jeju was 86.3°F. The maximum and minimum values were 82.6°F and 89.6°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Jeju was 81.2°F. The maximum and minimum values were 75.0°F and 87.8°F respectively.

Best Time to Visit Jeju
The most sunny months:
October 15 days
May 15 days
March 14 days
The most warm months:
August 88.2 °F
July 85.3 °F
September 80.5 °F
Warmest sea temperature:
August 84.5 °F
September 80.1 °F
July 79.2 °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 +46
Incheon +36
Jeju +48
Muju +38
Seoul +34
Yongpyong +34
24 Hours Weather Forecast
Jeju
Local time: 10:44
25 dec, wednesday
1200 48°F
E
8 mph
1500 50°F
E
12 mph
1800 46°F
E
9 mph
2100 46°F
E
10 mph
26 dec, thursday
0000 48°F
E
11 mph
0300 48°F
SE
16 mph
0600 48°F
SE
15 mph
0900 48°F
SE
16 mph