Annual mean 13°C · wettest around November · prevailing wind W
Warmest
30.0 °C
Coldest
0.6 °C
Wettest
83%
Windiest
4.0 m/s
Prevailing
W
3.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Incheon over the whole year is 13°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C. Incheon has no sharply defined rainy season: the chance of rain on a given day runs from 40% in December, the driest month, to 65% in November, the wettest. Winds in Incheon are highest in April, averaging 3.0 m/s (11 km/h), and lightest in June, at 2.6 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Incheon come in February, when the sky is typically 45% covered; July is the cloudiest month, at 69%.
Month by month Incheon climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
1°C
-4°C
-4°C
44%
49%
2.8 m/s
0
0
4
February
3°C
-2°C
-2°C
47%
45%
2.9 m/s
0
0
8
March
10°C
4°C
6°C
54%
45%
2.9 m/s
4
0
42
April
16°C
9°C
12°C
54%
49%
3.0 m/s
29
0
74
May
21°C
15°C
18°C
63%
54%
2.8 m/s
71
10
70
June
25°C
20°C
25°C
52%
60%
2.6 m/s
71
44
33
July
28°C
23°C
29°C
58%
69%
2.7 m/s
28
53
7
August
29°C
25°C
32°C
63%
67%
2.6 m/s
18
43
4
September
25°C
19°C
25°C
56%
60%
2.6 m/s
70
43
32
October
18°C
12°C
16°C
49%
49%
2.6 m/s
61
3
78
November
11°C
6°C
7°C
65%
49%
2.8 m/s
13
0
48
December
3°C
-2°C
-2°C
40%
49%
2.9 m/s
0
0
8
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Incheon weather by season
Year round, Incheon has days of about 1°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from -4°C to 25°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around November and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Incheon weather in winterDecember to February
High 2°CLow -3°CRain 44%
Winter in Incheon has typical daily highs of about 2°C and lows of about -3°C, with a 44% chance of rain on a given day.
Incheon weather in springMarch to May
High 16°CLow 9°CRain 57%
Spring in Incheon has typical daily highs of about 16°C and lows of about 9°C, with a 57% chance of rain on a given day.
Incheon weather in summerJune to August
High 27°CLow 23°CRain 58%
Summer in Incheon has typical daily highs of about 27°C and lows of about 23°C, with a 58% chance of rain on a given day.
Incheon weather in autumnSeptember to November
High 18°CLow 12°CRain 57%
Autumn in Incheon has typical daily highs of about 18°C and lows of about 12°C, with a 57% chance of rain on a given day.
When is the rainy season in Incheon?
Incheon has no sharply defined rainy season: the chance of rain on a given day runs from 40% in December, the driest month, to 65% in November, the wettest.
What time of year is Incheon windiest?
Winds in Incheon are highest in April, averaging 3.0 m/s (11 km/h), and lightest in June, at 2.6 m/s (9 km/h). The prevailing wind is from the W.
What is the average temperature in Incheon year round?
The average temperature in Incheon over the whole year is 13°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C.