S
M
T
W
T
F
S
26
62°
35°
27
55°
35°
28
55°
37°
29
51°
36°
30
42°
34°
1
55°
30°
2
65°
30°
3
69°
37°
4
71°
42°
5
47°
31°
6
41°
28°
7
68°
26°
8
69°
40°
9
74°
38°
10
64°
43°
11
79°
37°
12
80°
46°
13
79°
47°
14
81°
56°
15
80°
46°
16
78°
45°
17
67°
43°
18
45°
37°
19
49°
38°
20
54°
39°
21
62°
40°
22
59°
38°
23
64°
42°
24
73°
47°
25
76°
46°
26
74°
48°
27
68°
47°
28
70°
49°
29
75°
52°
30
76°
51°
31
73°
52°
1
81°
53°
2
68°
46°
3
67°
40°
4
69°
45°
5
73°
46°
6
76°
48°
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 49° to 81°, with overnight lows between 38° and 53°. The average high for May is 69° with an average low of 46°. 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.
