World Resorts South Korea Incheon Weather

Incheon weather in October

Weather in Incheon: October

Average day temperature: 66.8°F
Average night temperature: 60.5°F
Sea water temperature: 67.4°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 78°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during October were 68.7°F and 60.7°F.

Sea water temperature in Incheon in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 70.1°F. The highest and lowest sea temperatures during the month were 74.7°F and 66.4°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 Incheon in October is 2.9 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 8.9 mph

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: 6.9.

Best time for vacation in Incheon

Sunniest months:
May 19 days
October 18 days
March 18 days
Warmest months:
August 84.2 °F
July 81.8 °F
September 78.6 °F
Warmest sea temp:
August 79.2 °F
September 75.5 °F
July 74.8 °F
Coldest months:
January 33.6 °F
February 37.6 °F
December 38.0 °F
Rainiest months:
July 10 days
August 8 days
June 4 days
Windiest months:
December 11.1 mph
November 10.3 mph
January 10.3 mph

Incheon on a weather map

Incheon
+55°F
SE 13 mph
Feels like: +52°F
Precip.: 3%
Places in South Korea:
Name
°F
+52°F
+55°F
+54°F
+61°F
+54°F
+64°F
24 Hours Forecast
Incheon
Local time: 02:02
October 27, tuesday
0300
55°F
SE
13 mph
0600
52°F
SE
12 mph
0900
54°F
SE
11 mph
1200
59°F
SE
17 mph
1500
55°F
SE
19 mph
1800
50°F
SE
16 mph
2100
46°F
SE
13 mph
October 28, wednesday
0000
43°F
SE
12 mph
Units of measurement: °C / °F