S
M
T
W
T
F
S
28
46°
43°
29
44°
41°
30
46°
32°
31
39°
32°
1
42°
35°
2
38°
31°
3
36°
28°
4
34°
27°
5
35°
26°
6
41°
30°
7
42°
36°
8
41°
36°
9
41°
29°
10
43°
28°
11
55°
43°
12
51°
46°
13
47°
35°
14
46°
32°
15
48°
31°
16
48°
30°
17
45°
36°
18
50°
35°
19
46°
35°
20
48°
32°
21
48°
37°
22
47°
41°
23
46°
36°
24
46°
44°
25
47°
38°
26
45°
43°
27
48°
40°
28
49°
38°
29
45°
42°
30
49°
42°
31
46°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Dublin 9
Dublin 9's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Dublin 9. See also: February | March | April.
