S
M
T
W
T
F
S
28
73°
45°
29
70°
52°
30
73°
47°
31
79°
48°
1
77°
55°
2
76°
58°
3
75°
60°
4
83°
56°
5
77°
60°
6
75°
49°
7
77°
47°
8
82°
48°
9
68°
57°
10
71°
55°
11
78°
60°
12
83°
62°
13
74°
61°
14
76°
60°
15
79°
60°
16
88°
63°
17
80°
54°
18
74°
46°
19
76°
47°
20
80°
57°
21
82°
62°
22
95°
62°
23
76°
52°
24
81°
49°
25
84°
52°
26
73°
52°
27
72°
48°
28
74°
46°
29
83°
50°
30
77°
57°
31
69°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Mount Barker
Mount Barker'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 Mount Barker. See also: February | March | April.
