S
M
T
W
T
F
S
26
59°
39°
27
61°
39°
28
62°
40°
29
67°
40°
30
70°
42°
1
74°
44°
2
78°
51°
3
79°
48°
4
78°
52°
5
74°
54°
6
77°
52°
7
72°
48°
8
69°
48°
9
70°
41°
10
73°
48°
11
73°
43°
12
83°
48°
13
68°
46°
14
61°
42°
15
54°
40°
16
49°
38°
17
57°
36°
18
62°
41°
19
67°
44°
20
72°
45°
21
70°
46°
22
75°
51°
23
80°
52°
24
77°
52°
25
78°
53°
26
61°
47°
27
79°
53°
28
89°
55°
29
77°
46°
30
64°
43°
31
68°
41°
1
75°
48°
2
86°
50°
3
84°
52°
4
81°
50°
5
74°
48°
6
73°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rosalia
Rosalia's May 2026 forecast shows daily high temperatures ranging from 61° to 89°, with overnight lows between 41° and 55°. The average high for May is 76° 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 Rosalia. See also: June | July | August.