S
M
T
W
T
F
S
28
48°
25°
29
55°
30°
30
46°
27°
31
39°
25°
1
34°
21°
2
32°
19°
3
41°
19°
4
46°
25°
5
45°
27°
6
46°
25°
7
48°
27°
8
37°
23°
9
43°
21°
10
55°
32°
11
34°
23°
12
41°
16°
13
46°
28°
14
45°
25°
15
63°
37°
16
57°
32°
17
55°
32°
18
57°
32°
19
48°
34°
20
39°
27°
21
32°
21°
22
32°
16°
23
37°
18°
24
39°
21°
25
39°
19°
26
41°
19°
27
43°
27°
28
41°
23°
29
41°
23°
30
36°
23°
31
45°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Changwon
Changwon's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Changwon. See also: February | March | April.