S
M
T
W
T
F
S
29
47°
40°
30
47°
41°
1
46°
41°
2
48°
40°
3
47°
40°
4
46°
39°
5
46°
40°
6
47°
35°
7
49°
36°
8
43°
37°
9
43°
38°
10
44°
41°
11
47°
40°
12
46°
40°
13
48°
39°
14
48°
39°
15
47°
40°
16
46°
40°
17
49°
38°
18
48°
38°
19
43°
36°
20
44°
36°
21
43°
39°
22
42°
40°
23
44°
38°
24
43°
34°
25
42°
33°
26
42°
33°
27
41°
34°
28
41°
37°
29
42°
39°
30
45°
40°
31
46°
40°
1
48°
35°
2
44°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Llanrug
Llanrug's December 2026 forecast shows daily high temperatures ranging from 41° to 49°, with overnight lows between 33° and 41°. The average high for December is 45° 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 Llanrug. See also: January | February | March.
