S
M
T
W
T
F
S
26
55°
40°
27
56°
43°
28
46°
36°
29
63°
33°
30
60°
38°
1
61°
35°
2
70°
33°
3
75°
44°
4
80°
45°
5
53°
45°
6
61°
39°
7
75°
40°
8
78°
46°
9
78°
45°
10
74°
42°
11
83°
43°
12
81°
54°
13
82°
41°
14
85°
60°
15
94°
49°
16
87°
55°
17
91°
57°
18
54°
45°
19
63°
42°
20
61°
48°
21
60°
49°
22
66°
48°
23
73°
51°
24
79°
54°
25
81°
56°
26
82°
58°
27
77°
57°
28
78°
58°
29
78°
59°
30
78°
58°
31
79°
56°
1
80°
54°
2
79°
58°
3
73°
55°
4
76°
59°
5
81°
60°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Holstein
Holstein's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 42° and 61°. The average high for May is 75° with an average low of 55°. 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 Holstein. See also: June | July | August.