S
M
T
W
T
F
S
29
56°
40°
30
57°
36°
1
52°
30°
2
49°
29°
3
43°
35°
4
48°
33°
5
44°
30°
6
45°
35°
7
48°
32°
8
49°
27°
9
48°
32°
10
42°
26°
11
42°
23°
12
35°
23°
13
36°
21°
14
35°
19°
15
33°
20°
16
32°
22°
17
33°
15°
18
36°
16°
19
30°
20°
20
32°
25°
21
38°
32°
22
39°
31°
23
42°
33°
24
44°
31°
25
47°
30°
26
44°
28°
27
35°
18°
28
36°
30°
29
42°
29°
30
Hist. Avg.
36°
22°
31
Hist. Avg.
36°
22°
1
Hist. Avg.
36°
22°
2
Hist. Avg.
36°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Dublin
Dublin's December 2026 forecast shows daily high temperatures ranging from 30° to 57°, with overnight lows between 15° and 40°. The average high for December is 42° with an average low of 27°. 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.
