S
M
T
W
T
F
S
26
80°
59°
27
83°
55°
28
73°
58°
29
78°
60°
30
70°
50°
1
73°
46°
2
68°
49°
3
69°
39°
4
81°
44°
5
79°
50°
6
71°
60°
7
69°
47°
8
74°
41°
9
79°
51°
10
85°
49°
11
74°
51°
12
79°
46°
13
81°
54°
14
72°
48°
15
78°
42°
16
85°
57°
17
91°
60°
18
92°
66°
19
92°
66°
20
90°
62°
21
78°
67°
22
77°
67°
23
80°
67°
24
80°
68°
25
84°
68°
26
86°
69°
27
85°
68°
28
85°
58°
29
87°
66°
30
77°
58°
31
75°
62°
1
80°
55°
2
82°
53°
3
83°
55°
4
84°
58°
5
80°
62°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pioneer
Pioneer's May 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 53° and 66°. The average high for May is 81° with an average low of 59°. 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 Pioneer. See also: June | July | August.
