S
M
T
W
T
F
S
26
54°
41°
27
55°
42°
28
56°
40°
29
56°
42°
30
57°
39°
1
57°
43°
2
55°
42°
3
57°
39°
4
59°
37°
5
58°
37°
6
59°
39°
7
62°
39°
8
56°
36°
9
57°
45°
10
60°
46°
11
59°
46°
12
61°
44°
13
67°
45°
14
65°
41°
15
59°
39°
16
62°
43°
17
64°
49°
18
71°
48°
19
70°
38°
20
58°
38°
21
60°
39°
22
61°
40°
23
63°
46°
24
68°
51°
25
73°
50°
26
70°
50°
27
64°
49°
28
65°
48°
29
65°
47°
30
64°
51°
31
73°
51°
1
67°
48°
2
66°
43°
3
70°
44°
4
72°
46°
5
73°
45°
6
75°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kleinburg
Kleinburg's May 2026 forecast shows daily high temperatures ranging from 54° to 75°, with overnight lows between 36° and 51°. The average high for May is 63° with an average low of 44°. 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 Kleinburg. See also: June | July | August.