S
M
T
W
T
F
S
26
88°
73°
27
87°
76°
28
91°
75°
29
82°
65°
30
69°
63°
1
63°
53°
2
76°
50°
3
80°
51°
4
82°
57°
5
86°
69°
6
79°
62°
7
70°
59°
8
80°
62°
9
88°
72°
10
89°
65°
11
77°
65°
12
84°
63°
13
88°
61°
14
89°
66°
15
89°
69°
16
89°
71°
17
87°
77°
18
91°
77°
19
88°
67°
20
81°
67°
21
80°
69°
22
88°
66°
23
84°
67°
24
89°
67°
25
91°
67°
26
88°
72°
27
78°
69°
28
85°
70°
29
87°
72°
30
88°
71°
31
89°
68°
1
87°
69°
2
86°
67°
3
84°
69°
4
87°
70°
5
90°
70°
6
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dallam
Dallam's May 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 67° and 72°. The average high for May is 87° with an average low of 69°. 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 Dallam. See also: June | July | August.
