S
M
T
W
T
F
S
26
54°
44°
27
56°
42°
28
59°
43°
29
59°
44°
30
60°
45°
1
60°
46°
2
59°
45°
3
61°
46°
4
60°
46°
5
58°
45°
6
62°
47°
7
60°
47°
8
58°
46°
9
58°
47°
10
63°
47°
11
63°
48°
12
64°
48°
13
63°
49°
14
64°
49°
15
65°
46°
16
66°
41°
17
61°
41°
18
59°
42°
19
59°
39°
20
60°
42°
21
60°
42°
22
62°
43°
23
64°
46°
24
63°
50°
25
64°
47°
26
62°
46°
27
61°
43°
28
63°
42°
29
61°
49°
30
63°
46°
31
62°
48°
1
62°
47°
2
63°
49°
3
66°
47°
4
65°
48°
5
66°
52°
6
64°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roskilde
Roskilde's May 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 39° and 53°. The average high for May is 61° with an average low of 46°. 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 Roskilde. See also: June | July | August.