S
M
T
W
T
F
S
26
59°
43°
27
63°
45°
28
64°
52°
29
48°
39°
30
52°
34°
1
46°
32°
2
57°
32°
3
70°
52°
4
81°
45°
5
59°
41°
6
54°
34°
7
55°
34°
8
70°
34°
9
68°
41°
10
61°
34°
11
54°
36°
12
77°
34°
13
63°
41°
14
68°
36°
15
81°
54°
16
86°
61°
17
63°
50°
18
84°
59°
19
77°
54°
20
59°
46°
21
57°
45°
22
64°
46°
23
65°
53°
24
78°
56°
25
83°
57°
26
86°
56°
27
80°
53°
28
70°
49°
29
75°
48°
30
70°
49°
31
71°
51°
1
75°
53°
2
75°
52°
3
76°
53°
4
75°
55°
5
74°
51°
6
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dundee
Dundee's May 2026 forecast shows daily high temperatures ranging from 65° to 86°, with overnight lows between 48° and 58°. The average high for May is 75° with an average low of 53°. 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 Dundee. See also: June | July | August.