S
M
T
W
T
F
S
26
55°
46°
27
54°
48°
28
54°
45°
29
57°
41°
30
66°
45°
1
61°
45°
2
53°
46°
3
52°
46°
4
54°
46°
5
50°
36°
6
50°
36°
7
52°
45°
8
52°
43°
9
50°
37°
10
52°
41°
11
50°
37°
12
54°
45°
13
54°
45°
14
52°
45°
15
52°
39°
16
48°
36°
17
54°
43°
18
N/A
19
56°
49°
20
56°
48°
21
58°
52°
22
58°
50°
23
57°
51°
24
58°
51°
25
63°
52°
26
62°
51°
27
62°
51°
28
62°
51°
29
59°
48°
30
58°
49°
31
53°
47°
1
52°
48°
2
53°
48°
3
53°
49°
4
54°
49°
5
53°
48°
6
53°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Griminis
Griminis's May 2026 forecast shows daily high temperatures ranging from 52° to 63°, with overnight lows between 47° and 52°. The average high for May is 57° with an average low of 50°. 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 Griminis. See also: June | July | August.