S
M
T
W
T
F
S
26
58°
41°
27
53°
40°
28
55°
42°
29
55°
42°
30
56°
43°
1
58°
44°
2
54°
40°
3
53°
39°
4
54°
39°
5
54°
40°
6
55°
39°
7
53°
40°
8
54°
40°
9
54°
42°
10
55°
41°
11
56°
45°
12
60°
46°
13
61°
46°
14
59°
44°
15
56°
42°
16
57°
46°
17
58°
45°
18
57°
46°
19
58°
45°
20
57°
45°
21
57°
44°
22
58°
44°
23
57°
46°
24
57°
47°
25
58°
46°
26
58°
46°
27
59°
47°
28
58°
48°
29
59°
48°
30
62°
46°
31
59°
47°
1
64°
49°
2
64°
49°
3
63°
48°
4
64°
49°
5
64°
48°
6
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dungannon
Dungannon's May 2026 forecast shows daily high temperatures ranging from 53° to 64°, with overnight lows between 39° and 49°. The average high for May is 58° with an average low of 44°. 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 Dungannon. See also: June | July | August.
