Measurements:
°C
°F
Incheon
30°F
SE 17 mph
Feels like: 18°F
Precip: 0%
World Resorts South Korea Incheon Weather December Weather in Incheon

Incheon Weather: December

Average Day Temperature: 36.7°F
Average Night Temperature: 32.0°F
Sea Water Temperature: 45.9°F
Number of Sunny Days: 14 days
Sunshine Hours: 9.6 - 9.8 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 57°F. The lowest night temperature was 9°F. The average values for day and night temperatures during December were 35.8°F и 32.5°F respectivly.

Incheon Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2023 for Incheon was 45.3°F. The maximum and minimum values were 41.0°F and 50.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Incheon is 1.2 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 11.2 mph. It makes December the most windy month of the year for Incheon.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Incheon in December is 5.8 hours.

Best Time to Visit Incheon
The most sunny months:
October 19 days
May 19 days
March 18 days
The most warm months:
August 88.3 °F
July 85.6 °F
September 81.8 °F
Warmest sea temperature:
August 82.0 °F
September 78.0 °F
July 77.1 °F
The most cold months:
January 32.2 °F
December 36.7 °F
February 36.8 °F
The most rainy months:
July 11 days
August 9 days
June 5 days
The most windy months:
December 11 mph
November 10 mph
March 10 mph

Incheon on the Weather Map

South Korea Resorts:
NAME
Busan +42
Incheon +30
Jeju +48
Muju +30
Seoul +28
Yongpyong +26
24 Hours Weather Forecast
Incheon
Local time: 10:15
26 dec, thursday
1200 30°F
SE
17 mph
1500 32°F
SE
17 mph
1800 28°F
SE
17 mph
2100 26°F
SE
16 mph
27 dec, friday
0000 28°F
SE
17 mph
0300 28°F
SE
14 mph
0600 28°F
S
9 mph
0900 28°F
S
8 mph