S
M
T
W
T
F
S
27
42°
38°
28
43°
35°
29
46°
30°
30
45°
30°
31
41°
31°
1
42°
32°
2
42°
31°
3
43°
31°
4
42°
32°
5
42°
31°
6
43°
32°
7
42°
32°
8
42°
33°
9
43°
32°
10
42°
31°
11
41°
31°
12
40°
32°
13
42°
35°
14
41°
37°
15
44°
38°
16
47°
36°
17
47°
37°
18
41°
30°
19
40°
29°
20
Hist. Avg.
45°
37°
21
Hist. Avg.
45°
37°
22
Hist. Avg.
45°
37°
23
Hist. Avg.
45°
37°
24
Hist. Avg.
45°
37°
25
Hist. Avg.
45°
37°
26
Hist. Avg.
45°
37°
27
Hist. Avg.
46°
37°
28
Hist. Avg.
46°
37°
29
Hist. Avg.
46°
37°
30
Hist. Avg.
46°
37°
31
Hist. Avg.
46°
37°
1
Hist. Avg.
46°
37°
2
Hist. Avg.
46°
37°
3
Hist. Avg.
46°
37°
4
Hist. Avg.
46°
37°
5
Hist. Avg.
46°
37°
6
Hist. Avg.
46°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Dereham
Dereham's January 2027 forecast shows daily high temperatures ranging from 40° to 47°, with overnight lows between 29° and 38°. The average high for January is 43° with an average low of 33°. 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 Dereham. See also: February | March | April.