S
M
T
W
T
F
S
26
93°
69°
27
72°
53°
28
72°
51°
29
73°
56°
30
71°
59°
1
76°
61°
2
87°
58°
3
81°
61°
4
90°
63°
5
74°
63°
6
76°
55°
7
78°
54°
8
74°
56°
9
75°
53°
10
94°
55°
11
75°
60°
12
89°
60°
13
74°
62°
14
70°
54°
15
72°
56°
16
74°
58°
17
81°
49°
18
74°
53°
19
71°
50°
20
71°
50°
21
75°
52°
22
74°
52°
23
66°
43°
24
72°
49°
25
75°
50°
26
71°
50°
27
69°
49°
28
70°
48°
29
71°
50°
30
72°
45°
31
71°
46°
1
72°
43°
2
66°
43°
3
66°
44°
4
73°
48°
5
71°
45°
6
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Butterworth
Butterworth's May 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 43° and 53°. The average high for May is 71° with an average low of 48°. 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 Butterworth. See also: June | July | August.