Measurements:
°C
°F
Busan
76°F
SW 16 mph
Feels like: 80°F
Precip: 21%
World Resorts South Korea Busan Weather

Busan Sea Water Temperature

Current Sea Water Temperature:
+80.2°F
Maximum Sea Water Temperature in September: 88.2°F
Minimum Sea Water Temperature in September: 73.2°F
Average water temperature in September: 79.7°F

Sea Water Temperature for the Last 10 Days:

September 28 80.2°F September 23 80.6°F
September 27 79.4°F September 22 80.6°F
September 26 80.2°F September 21 80.8°F
September 25 80.6°F September 20 79.8°F
September 24 80.6°F September 19 79.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Busan was 85.1°F. The maximum and minimum values were 83.0°F and 87.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Busan was 82.2°F. The maximum and minimum values were 79.4°F and 86.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Busan was 79.3°F. The maximum and minimum values were 73.4°F and 84.2°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 89.4 °F
July 85.6 °F
September 82.1 °F
Warmest sea temperature:
August 83.3 °F
September 79.7 °F
July 77.2 °F
The most cold months:
January 42.5 °F
February 45.8 °F
December 46.5 °F
The most rainy months:
August 7 days
July 6 days
September 5 days
The most windy months:
February 11 mph
January 11 mph
September 11 mph

Busan on the Weather Map

South Korea Resorts:
NAME
F°
Busan +76
Incheon +70
Jeju +70
Muju +66
Seoul +70
Yongpyong +64
24 Hours Weather Forecast
Busan
Local time: 08:55
29 sep, tuesday
0900 76°F
SW
16 mph
1200 76°F
W
18 mph
1500 76°F
SW
19 mph
1800 76°F
SW
19 mph
2100 74°F
SW
16 mph
30 sep, wednesday
0000 74°F
SW
12 mph
0300 72°F
S
9 mph
0600 72°F
SW
6 mph