Measurements:
°C
°F
Busan
48°F
E 7 mph
Feels like: 44°F
Precip: 0%
World Resorts South Korea Busan Weather

Busan Sea Water Temperature

Current Sea Water Temperature:
+61.8°F
Maximum Sea Water Temperature in December: 67.2°F
Minimum Sea Water Temperature in December: 57.2°F
Average water temperature in December: 61.3°F

Sea Water Temperature for the Last 10 Days:

December 18 61.8°F December 13 61.8°F
December 17 61.2°F December 12 61.2°F
December 16 60.0°F December 11 61.4°F
December 15 62.4°F December 10 61.2°F
December 14 62.0°F December 09 59.8°F

When is the Warmest Sea for Busan?

According to our data for the last three years for Busan 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: 2025 2024 2023

The average sea surface temperature in August 2025 for Busan was 84.0°F. The maximum and minimum values were 82.2°F and 86.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Busan was 80.8°F. The maximum and minimum values were 76.0°F and 84.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Busan was 79.7°F. The maximum and minimum values were 74.6°F and 85.6°F respectively.

Best Time to Visit Busan
The most sunny months:
January 21 days
December 20 days
May 18 days
The most warm months:
August 89.6 °F
July 85.6 °F
September 82.3 °F
Warmest sea temperature:
August 83.1 °F
September 79.5 °F
July 77.1 °F
The most cold months:
January 42.7 °F
February 45.7 °F
December 46.4 °F
The most rainy months:
August 7 days
July 6 days
September 5 days
The most windy months:
February 11 mph
January 11 mph
December 11 mph

Busan on the Weather Map

South Korea Resorts:
NAME
Busan +48
Incheon +38
Jeju +46
Muju +30
Seoul +34
Yongpyong +26
24 Hours Weather Forecast
Busan
Local time: 07:19
19 dec, friday
0900 48°F
SE
6 mph
1200 56°F
E
6 mph
1500 56°F
NE
6 mph
1800 56°F
E
5 mph
2100 56°F
E
2 mph
20 dec, saturday
0000 56°F
E
2 mph
0300 54°F
SE
3 mph
0600 54°F
E
2 mph