S
M
T
W
T
F
S
29
81°
47°
30
71°
51°
31
79°
45°
1
82°
58°
2
100°
63°
3
78°
55°
4
70°
50°
5
73°
47°
6
89°
56°
7
89°
62°
8
74°
50°
9
77°
48°
10
78°
58°
11
76°
56°
12
86°
49°
13
77°
60°
14
70°
52°
15
79°
47°
16
86°
51°
17
84°
55°
18
74°
53°
19
81°
51°
20
92°
63°
21
87°
66°
22
80°
65°
23
79°
66°
24
109°
66°
25
76°
65°
26
75°
54°
27
75°
54°
28
77°
53°
29
81°
55°
30
82°
64°
31
102°
63°
1
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Mount Barker
Mount Barker's January 2025 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.