S
M
T
W
T
F
S
26
62°
42°
27
65°
49°
28
62°
50°
29
59°
37°
30
60°
32°
1
51°
33°
2
54°
28°
3
61°
39°
4
80°
48°
5
58°
46°
6
58°
38°
7
60°
33°
8
64°
43°
9
76°
42°
10
64°
38°
11
66°
37°
12
79°
35°
13
60°
37°
14
66°
35°
15
71°
43°
16
85°
59°
17
87°
63°
18
85°
65°
19
83°
60°
20
65°
44°
21
69°
42°
22
75°
51°
23
69°
55°
24
72°
52°
25
82°
46°
26
82°
53°
27
85°
57°
28
81°
51°
29
80°
52°
30
79°
49°
31
78°
51°
1
74°
50°
2
82°
53°
3
81°
57°
4
76°
57°
5
78°
56°
6
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Denham
Denham's May 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 49° and 57°. The average high for May is 79° with an average low of 54°. 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 Denham. See also: June | July | August.