S
M
T
W
T
F
S
26
64°
34°
27
63°
36°
28
65°
34°
29
57°
34°
30
66°
39°
1
67°
40°
2
69°
41°
3
69°
42°
4
70°
36°
5
60°
34°
6
59°
32°
7
68°
41°
8
69°
42°
9
69°
42°
10
68°
43°
11
70°
42°
12
71°
40°
13
67°
41°
14
70°
43°
15
72°
38°
16
63°
41°
17
66°
36°
18
63°
37°
19
65°
41°
20
75°
43°
21
75°
38°
22
71°
37°
23
64°
36°
24
65°
42°
25
72°
43°
26
74°
44°
27
71°
43°
28
73°
42°
29
68°
41°
30
67°
41°
31
70°
42°
1
69°
42°
2
71°
48°
3
79°
49°
4
80°
50°
5
81°
51°
6
82°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monument
Monument's May 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 32° and 51°. The average high for May is 69° with an average low of 41°. 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 Monument. See also: June | July | August.
