S
M
T
W
T
F
S
26
64°
53°
27
65°
54°
28
72°
52°
29
73°
53°
30
73°
55°
1
78°
59°
2
77°
58°
3
72°
59°
4
71°
56°
5
73°
57°
6
76°
59°
7
77°
60°
8
76°
59°
9
74°
60°
10
73°
60°
11
77°
61°
12
78°
60°
13
78°
61°
14
76°
57°
15
70°
53°
16
71°
54°
17
71°
55°
18
72°
54°
19
72°
55°
20
73°
55°
21
79°
59°
22
79°
61°
23
80°
61°
24
79°
60°
25
79°
61°
26
80°
61°
27
79°
59°
28
77°
58°
29
77°
56°
30
73°
57°
31
73°
56°
1
74°
56°
2
76°
58°
3
78°
60°
4
80°
60°
5
78°
61°
6
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bartolo
Bartolo's May 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 53° and 61°. The average high for May is 76° with an average low of 58°. 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 Bartolo. See also: June | July | August.