S
M
T
W
T
F
S
29
64°
46°
30
66°
37°
1
53°
32°
2
50°
31°
3
51°
37°
4
56°
41°
5
52°
37°
6
51°
33°
7
50°
32°
8
48°
29°
9
48°
29°
10
49°
30°
11
52°
32°
12
56°
37°
13
55°
39°
14
52°
31°
15
50°
30°
16
48°
33°
17
51°
30°
18
48°
27°
19
47°
26°
20
48°
28°
21
50°
29°
22
53°
29°
23
49°
27°
24
46°
26°
25
47°
28°
26
47°
30°
27
49°
29°
28
50°
29°
29
49°
27°
30
47°
28°
31
49°
26°
1
47°
27°
2
49°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dublin
Dublin's December 2026 forecast shows daily high temperatures ranging from 46° to 66°, with overnight lows between 26° and 46°. The average high for December is 51° with an average low of 31°. 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 Dublin. See also: January | February | March.
