S
M
T
W
T
F
S
27
25°
13°
28
30°
12°
29
29°
11°
30
28°
3°
31
27°
-4°
1
19°
-6°
2
13°
3°
3
16°
10°
4
22°
11°
5
27°
1°
6
28°
-7°
7
21°
-10°
8
9°
-9°
9
8°
-8°
10
12°
-7°
11
9°
-10°
12
8°
-6°
13
10°
-11°
14
10°
-3°
15
11°
4°
16
17°
-8°
17
22°
-5°
18
13°
-9°
19
12°
-8°
20
12°
6°
21
17°
8°
22
24°
9°
23
26°
10°
24
29°
11°
25
29°
8°
26
28°
7°
27
27°
6°
28
23°
2°
29
23°
-1°
30
25°
2°
31
13°
-8°
1
25°
-1°
2
Hist. Avg.
22°
1°
3
Hist. Avg.
22°
1°
4
Hist. Avg.
22°
1°
5
Hist. Avg.
23°
1°
6
Hist. Avg.
23°
2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Barnum
Barnum's January 2027 forecast shows daily high temperatures ranging from 8° to 30°, with overnight lows between -11° and 13°. The average high for January is 20° with an average low of 0°. 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 Barnum. See also: February | March | April.