Measurements:
°C
°F
Jeju
56°F
SE 16 mph
Feels like: 52°F
Precip: 69%
World Resorts South Korea Jeju Weather

Jeju Sea Water Temperature

Current Sea Water Temperature:
+70.6°F
Maximum Sea Water Temperature in November: 75.4°F
Minimum Sea Water Temperature in November: 61.4°F
Average water temperature in November: 68.5°F

Sea Water Temperature for the Last 10 Days:

November 21 70.6°F November 16 72.4°F
November 20 71.4°F November 15 73.0°F
November 19 72.2°F November 08 73.0°F
November 18 72.6°F November 07 73.4°F
November 17 73.0°F November 06 75.0°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 +54
Incheon +42
Jeju +56
Muju +42
Seoul +40
Yongpyong +40
24 Hours Weather Forecast
Jeju
Local time: 08:09
22 nov, friday
0900 56°F
SE
16 mph
1200 58°F
SE
17 mph
1500 56°F
SE
17 mph
1800 52°F
S
14 mph
2100 50°F
S
14 mph
23 nov, saturday
0000 50°F
S
14 mph
0300 48°F
S
11 mph
0600 48°F
S
10 mph