Measurements:
°C
°F
CURRENT WEATHER
20:07
Seoul
74°F
SW 4 mph
Feels like: 78°F
Precip: 0%
World Resorts South Korea Seoul Weather

7 Day Weather Forecast

05.19
tue
DAY
78°F
S 1 mph
precip
0%
NIGHT
74°F
W 4 mph
precip
0%
05.20
wed
DAY
66°F
W 10 mph
precip
100%
NIGHT
60°F
W 9 mph
precip
100%
05.21
thu
DAY
64°F
SW 9 mph
precip
100%
NIGHT
58°F
SW 4 mph
precip
0%
05.22
fri
DAY
80°F
W 7 mph
precip
0%
NIGHT
68°F
NE 2 mph
precip
0%
05.23
sat
DAY
72°F
SW 2 mph
precip
0%
NIGHT
66°F
E 2 mph
precip
0%
05.24
sun
DAY
82°F
E 7 mph
precip
0%
NIGHT
68°F
E 2 mph
precip
0%
05.25
mon
DAY
88°F
E 3 mph
precip
0%
NIGHT
74°F
SE 1 mph
precip
0%

Seoul Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Seoul was 15.1°F. The maximum and minimum values were 14.2°F and 16.7°F respectively.

Seoul on the Weather Map

Best Time to Visit Seoul
The most sunny months:
May 19 days
October 18 days
March 17 days
The most warm months:
August 91.1 °F
July 89.9 °F
June 85.7 °F
Warmest sea temperature:
August 81.9 °F
September 77.6 °F
July 77.4 °F
The most cold months:
January 30.6 °F
December 34.4 °F
February 37.0 °F
The most rainy months:
July 11 days
August 8 days
June 5 days
The most windy months:
April 7 mph
March 7 mph
May 6 mph
more details