S
M
T
W
T
F
S
29
47°
35°
30
47°
42°
1
49°
42°
2
50°
41°
3
50°
39°
4
47°
39°
5
48°
41°
6
49°
41°
7
49°
40°
8
48°
38°
9
49°
42°
10
50°
41°
11
49°
36°
12
44°
34°
13
42°
36°
14
43°
36°
15
42°
35°
16
42°
34°
17
43°
34°
18
42°
36°
19
46°
40°
20
49°
36°
21
47°
33°
22
44°
36°
23
48°
39°
24
48°
36°
25
49°
36°
26
48°
38°
27
45°
38°
28
43°
37°
29
46°
38°
30
46°
38°
31
45°
37°
1
44°
38°
2
42°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Abertridwr
Abertridwr's December 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 33° and 42°. The average high for December is 46° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Abertridwr. See also: January | February | March.
