S
M
T
W
T
F
S
26
57°
36°
27
57°
31°
28
60°
30°
29
64°
32°
30
65°
37°
1
68°
29°
2
76°
34°
3
78°
39°
4
77°
43°
5
69°
47°
6
65°
48°
7
70°
51°
8
72°
48°
9
69°
46°
10
72°
54°
11
78°
51°
12
77°
50°
13
77°
54°
14
79°
53°
15
76°
51°
16
75°
51°
17
74°
49°
18
72°
50°
19
66°
40°
20
67°
44°
21
66°
45°
22
61°
40°
23
64°
40°
24
66°
42°
25
68°
44°
26
73°
47°
27
73°
48°
28
74°
48°
29
73°
47°
30
74°
47°
31
74°
49°
1
75°
49°
2
76°
50°
3
76°
49°
4
72°
50°
5
72°
50°
6
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rosette
Rosette's May 2026 forecast shows daily high temperatures ranging from 61° to 79°, with overnight lows between 40° and 54°. The average high for May is 72° 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 Rosette. See also: June | July | August.