S
M
T
W
T
F
S
27
42°
32°
28
40°
31°
29
38°
32°
30
41°
30°
31
40°
31°
1
41°
29°
2
41°
20°
3
39°
20°
4
32°
25°
5
33°
27°
6
35°
22°
7
32°
31°
8
36°
30°
9
36°
29°
10
32°
27°
11
32°
22°
12
33°
22°
13
32°
23°
14
32°
22°
15
33°
27°
16
32°
31°
17
36°
32°
18
35°
31°
19
39°
23°
20
41°
24°
21
32°
22°
22
32°
22°
23
33°
24°
24
32°
27°
25
33°
22°
26
35°
22°
27
32°
23°
28
32°
22°
29
33°
23°
30
32°
23°
31
33°
22°
1
33°
20°
2
34°
24°
3
34°
29°
4
33°
30°
5
33°
23°
6
33°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Rettenberg
Rettenberg's January 2027 forecast shows daily high temperatures ranging from 32° to 42°, with overnight lows between 20° and 32°. The average high for January is 35° with an average low of 26°. 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 Rettenberg. See also: February | March | April.