S
M
T
W
T
F
S
26
71°
55°
27
73°
52°
28
68°
45°
29
82°
55°
30
77°
56°
1
62°
51°
2
59°
38°
3
69°
34°
4
81°
39°
5
83°
46°
6
78°
60°
7
78°
54°
8
72°
45°
9
74°
47°
10
84°
53°
11
69°
50°
12
73°
46°
13
80°
39°
14
71°
46°
15
76°
38°
16
84°
61°
17
89°
63°
18
89°
64°
19
90°
62°
20
91°
64°
21
81°
56°
22
68°
57°
23
74°
60°
24
77°
59°
25
80°
63°
26
82°
62°
27
82°
61°
28
83°
59°
29
81°
60°
30
85°
64°
31
84°
63°
1
85°
64°
2
85°
65°
3
84°
65°
4
80°
64°
5
80°
61°
6
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Denton
Denton's May 2026 forecast shows daily high temperatures ranging from 68° to 91°, with overnight lows between 56° and 65°. The average high for May is 83° with an average low of 62°. 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 Denton. See also: June | July | August.