S
M
T
W
T
F
S
26
70°
48°
27
82°
41°
28
72°
50°
29
66°
50°
30
54°
37°
1
64°
34°
2
52°
34°
3
59°
30°
4
72°
46°
5
77°
59°
6
63°
48°
7
63°
43°
8
68°
34°
9
70°
52°
10
72°
52°
11
68°
43°
12
73°
37°
13
72°
48°
14
50°
41°
15
70°
37°
16
77°
46°
17
N/A
18
92°
66°
19
94°
64°
20
75°
53°
21
66°
55°
22
68°
54°
23
73°
62°
24
75°
59°
25
77°
60°
26
77°
59°
27
76°
55°
28
77°
56°
29
77°
57°
30
79°
53°
31
77°
57°
1
76°
58°
2
77°
59°
3
76°
58°
4
74°
56°
5
72°
55°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Ireland
Ireland's May 2026 forecast shows daily high temperatures ranging from 66° to 94°, with overnight lows between 53° and 66°. The average high for May is 77° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Ireland. See also: June | July | August.
