S
M
T
W
T
F
S
26
65°
41°
27
73°
36°
28
68°
39°
29
67°
48°
30
60°
46°
1
65°
35°
2
58°
43°
3
60°
34°
4
73°
36°
5
85°
47°
6
70°
52°
7
64°
42°
8
62°
42°
9
57°
44°
10
70°
44°
11
63°
44°
12
67°
34°
13
68°
44°
14
64°
49°
15
66°
49°
16
81°
43°
17
90°
59°
18
87°
63°
19
96°
70°
20
89°
47°
21
68°
43°
22
64°
46°
23
65°
50°
24
67°
53°
25
71°
54°
26
70°
56°
27
76°
51°
28
78°
53°
29
77°
57°
30
79°
52°
31
74°
56°
1
74°
56°
2
71°
54°
3
69°
53°
4
70°
58°
5
75°
57°
6
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Hamburg
New Hamburg's May 2026 forecast shows daily high temperatures ranging from 64° to 96°, with overnight lows between 43° and 70°. The average high for May is 76° with an average low of 54°. 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 New Hamburg. See also: June | July | August.