S
M
T
W
T
F
S
26
36°
28°
27
51°
23°
28
57°
34°
29
61°
32°
30
66°
36°
1
73°
39°
2
69°
42°
3
75°
39°
4
55°
35°
5
49°
28°
6
72°
27°
7
68°
48°
8
77°
46°
9
66°
47°
10
80°
46°
11
75°
49°
12
78°
41°
13
89°
48°
14
64°
49°
15
65°
46°
16
57°
44°
17
45°
36°
18
54°
32°
19
64°
34°
20
57°
43°
21
58°
40°
22
66°
37°
23
75°
39°
24
79°
51°
25
85°
46°
26
90°
57°
27
79°
60°
28
84°
57°
29
84°
57°
30
64°
53°
31
53°
42°
1
51°
42°
2
55°
46°
3
67°
49°
4
76°
51°
5
80°
45°
6
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monarch
Monarch's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Monarch. See also: June | July | August.