World Resorts South Korea Seoul Weather

Seoul weather in October

Weather in Seoul: October

Average day temperature: 67.6°F
Average night temperature: 57.4°F
Sea water temperature: 67.0°F
Number of sunny days: 18 days
Day length: 10.7 - 11.8 hours
Number of rainy days: 3 days
Precipitation totals: 2.5 in.

Air temperature in October, °F

Show year:
2026
2025
2024

The highest day temperature during October of 2026 was 81°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during October were 69.7°F and 59.4°F.

Sea water temperature in Seoul in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 69.1°F. The highest and lowest sea temperatures during the month were 73.8°F and 65.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Seoul in October is 2.8 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 5.3 mph It makes October one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.7.

Best time for vacation in Seoul

Sunniest months:
May 19 days
October 18 days
March 17 days
Warmest months:
August 87.0 °F
July 85.8 °F
June 82.2 °F
Warmest sea temp:
August 78.9 °F
September 74.9 °F
July 74.8 °F
Coldest months:
January 32.6 °F
December 36.0 °F
February 38.3 °F
Rainiest months:
July 11 days
August 8 days
May 4 days
Windiest months:
April 7.1 mph
March 7.1 mph
May 6.5 mph

Seoul on a weather map

Seoul
+54°F
SE 8 mph
Feels like: +52°F
Precip.: 5%
Places in South Korea:
Name
°F
+52°F
+55°F
+54°F
+61°F
+54°F
+64°F
24 Hours Forecast
Seoul
Local time: 02:02
October 27, tuesday
0300
54°F
SE
8 mph
0600
50°F
SE
9 mph
0900
52°F
SE
9 mph
1200
59°F
SE
14 mph
1500
55°F
SE
15 mph
1800
48°F
SE
12 mph
2100
45°F
SE
9 mph
October 28, wednesday
0000
43°F
SE
9 mph
Units of measurement: °C / °F