S
M
T
W
T
F
S
29
69°
41°
30
70°
35°
1
66°
37°
2
61°
36°
3
62°
42°
4
66°
43°
5
65°
44°
6
62°
44°
7
63°
42°
8
66°
40°
9
63°
42°
10
58°
46°
11
64°
45°
12
66°
43°
13
67°
44°
14
66°
45°
15
63°
42°
16
69°
31°
17
66°
30°
18
55°
31°
19
57°
35°
20
53°
42°
21
62°
39°
22
64°
44°
23
63°
46°
24
65°
37°
25
66°
29°
26
65°
30°
27
53°
41°
28
60°
41°
29
62°
37°
30
58°
41°
31
57°
28°
1
69°
26°
2
66°
25°
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 53° to 70°, with overnight lows between 25° and 46°. The average high for December is 63° 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 Dublin. See also: January | February | March.
