S
M
T
W
T
F
S
29
45°
39°
30
47°
37°
1
47°
39°
2
49°
37°
3
46°
32°
4
42°
32°
5
42°
31°
6
43°
33°
7
42°
33°
8
42°
32°
9
41°
33°
10
42°
32°
11
47°
36°
12
47°
36°
13
46°
37°
14
47°
36°
15
47°
36°
16
46°
35°
17
45°
36°
18
46°
36°
19
46°
35°
20
45°
36°
21
47°
36°
22
47°
35°
23
45°
36°
24
46°
35°
25
45°
36°
26
44°
35°
27
46°
37°
28
47°
36°
29
47°
36°
30
46°
38°
31
48°
36°
1
48°
35°
2
47°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Edinburgh
Edinburgh's December 2026 forecast shows daily high temperatures ranging from 41° to 49°, with overnight lows between 31° and 39°. The average high for December is 46° with an average low of 35°. 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 Edinburgh. See also: January | February | March.