S
M
T
W
T
F
S
26
46°
37°
27
45°
36°
28
55°
37°
29
48°
32°
30
48°
32°
1
55°
28°
2
64°
27°
3
67°
51°
4
58°
31°
5
44°
30°
6
45°
27°
7
52°
28°
8
61°
33°
9
60°
35°
10
63°
38°
11
64°
39°
12
66°
44°
13
66°
43°
14
65°
40°
15
66°
42°
16
68°
41°
17
67°
43°
18
67°
46°
19
66°
46°
20
65°
44°
21
61°
38°
22
60°
38°
23
62°
39°
24
61°
38°
25
62°
39°
26
62°
40°
27
63°
40°
28
63°
41°
29
65°
49°
30
64°
46°
31
65°
47°
1
71°
50°
2
74°
51°
3
75°
52°
4
75°
53°
5
76°
53°
6
75°
52°
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 44° to 76°, with overnight lows between 27° and 53°. The average high for May is 64° with an average low of 42°. 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.