World Resorts South Korea Incheon Weather

Incheon weather in December

Weather in Incheon: December

Average day temperature: 38.0°F
Average night temperature: 33.8°F
Sea water temperature: 46.3°F
Number of sunny days: 14 days
Day length: 9.6 - 9.8 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 51°F. At the same time the lowest night temperature was 26°F. Daily and nightly averages during December were 36.8°F and 34.3°F.

Sea water temperature in Incheon in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 45.5°F. The highest and lowest sea temperatures during the month were 51.3°F and 40.6°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in December, in.

Precipitation total value in Incheon in December is 1.0 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 10.8 mph It makes December most windy month 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 December is: 5.4.

Best time for vacation in Incheon

Sunniest months:
October 18 days
May 18 days
March 18 days
Warmest months:
August 84.4 °F
July 82.0 °F
September 78.6 °F
Warmest sea temp:
August 79.1 °F
September 75.4 °F
July 74.7 °F
Coldest months:
January 33.9 °F
February 37.6 °F
December 38.0 °F
Rainiest months:
July 10 days
August 8 days
June 5 days
Windiest months:
December 11.1 mph
November 10.3 mph
February 10.3 mph

Incheon on a weather map

Incheon
+36°F
SE 9 mph
Feels like: +28°F
Precip.: 0%
Places in South Korea:
Name
°F
+32°F
+36°F
+37°F
+43°F
+34°F
+46°F
24 Hours Forecast
Incheon
Local time: 16:10
December 05, friday
1800
36°F
SE
4 mph
2100
36°F
W
1 mph
December 06, saturday
0000
36°F
NW
6 mph
0300
37°F
N
8 mph
0600
37°F
N
11 mph
0900
39°F
N
11 mph
1200
43°F
N
14 mph
1500
45°F
N
14 mph
Units of measurement: °C / °F