S
M
T
W
T
F
S
26
63°
40°
27
64°
37°
28
68°
41°
29
66°
45°
30
N/A
1
77°
49°
2
75°
56°
3
66°
53°
4
64°
48°
5
62°
46°
6
57°
44°
7
56°
40°
8
63°
45°
9
65°
49°
10
67°
50°
11
66°
51°
12
67°
52°
13
67°
49°
14
61°
47°
15
61°
45°
16
68°
52°
17
68°
51°
18
65°
48°
19
68°
52°
20
64°
51°
21
62°
48°
22
62°
46°
23
63°
45°
24
63°
48°
25
66°
46°
26
63°
46°
27
65°
52°
28
67°
51°
29
64°
53°
30
67°
47°
31
62°
46°
1
62°
46°
2
63°
47°
3
63°
47°
4
64°
49°
5
64°
48°
6
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Heinsberg
Heinsberg's May 2026 forecast shows daily high temperatures ranging from 56° to 77°, with overnight lows between 40° and 56°. The average high for May is 65° with an average low of 49°. 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 Heinsberg. See also: June | July | August.
