S
M
T
W
T
F
S
26
62°
39°
27
65°
34°
28
67°
26°
29
70°
29°
30
72°
31°
1
65°
34°
2
65°
31°
3
74°
31°
4
67°
50°
5
54°
36°
6
64°
35°
7
71°
25°
8
79°
34°
9
83°
38°
10
79°
38°
11
84°
33°
12
88°
36°
13
84°
45°
14
78°
38°
15
83°
39°
16
80°
49°
17
75°
41°
18
66°
36°
19
75°
39°
20
73°
36°
21
76°
38°
22
76°
41°
23
81°
42°
24
78°
47°
25
76°
45°
26
77°
41°
27
79°
44°
28
82°
43°
29
81°
45°
30
80°
44°
31
92°
47°
1
83°
45°
2
84°
45°
3
84°
44°
4
81°
46°
5
85°
46°
6
85°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gallup
Gallup's May 2026 forecast shows daily high temperatures ranging from 66° to 92°, with overnight lows between 36° and 47°. The average high for May is 80° with an average low of 43°. 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 Gallup. See also: June | July | August.
