Incheon Weather: January
 |
Average Day Temperature: | 31.8°F |
|
Average Night Temperature: | 26.9°F |
|
Sea Water Temperature: | 37.9°F |
|
Number of Sunny Days: | 16 days |
| Sunshine Hours: | 9.6 - 10.3 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.6 in | |
| detailed information | ||
forecast
| Incheon |
Temperature
| Incheon |
Air Temperature in January, °F
The highest day temperature in January 2026 was 42°F. The lowest night temperature was 10°F. The average values for day and night temperatures during January were 26.7°F и 23.3°F respectivly.
Incheon Water Sea Temperature in January, °F
The average sea surface temperature in January 2026 for Incheon was 36.3°F. The maximum and minimum values were 31.0°F and 41.0°F respectively.
Most of the days in January are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in January, in
Precipitation total in January for Incheon is 0.6 in. It makes january the least rainy month of the year.
The average wind speed in January is 10.3 mph. It makes January one of the most windy months of the year for Incheon.
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 January is 6.5 hours.
Incheon on the Weather Map
| 1200 |  |
42°F | NW 6 mph |
| 1500 |  |
44°F | NE 4 mph |
| 1800 |  |
42°F | NE 2 mph |
| 2100 |  |
40°F | N 2 mph |
| 0000 | |
40°F | N 4 mph |
| 0300 |  |
38°F | NE 3 mph |
| 0600 | |
38°F | E 2 mph |
| 0900 | |
36°F | SE 9 mph |