S
M
T
W
T
F
S
26
41°
33°
27
38°
28°
28
47°
30°
29
52°
28°
30
51°
31°
1
48°
38°
2
50°
40°
3
51°
38°
4
46°
36°
5
49°
35°
6
49°
35°
7
47°
34°
8
45°
35°
9
45°
36°
10
47°
35°
11
48°
36°
12
47°
35°
13
47°
34°
14
48°
36°
15
48°
36°
16
49°
35°
17
49°
36°
18
50°
39°
19
55°
40°
20
51°
40°
21
54°
39°
22
54°
38°
23
52°
37°
24
51°
38°
25
52°
39°
26
53°
38°
27
51°
38°
28
51°
37°
29
52°
38°
30
52°
40°
31
54°
39°
1
53°
35°
2
52°
35°
3
53°
37°
4
53°
38°
5
54°
40°
6
54°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rantem
Rantem's May 2026 forecast shows daily high temperatures ranging from 45° to 55°, with overnight lows between 28° and 42°. The average high for May is 50° with an average low of 37°. 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 Rantem. See also: June | July | August.