S
M
T
W
T
F
S
26
73°
46°
27
73°
50°
28
61°
46°
29
59°
39°
30
54°
36°
1
54°
32°
2
61°
30°
3
77°
45°
4
82°
41°
5
61°
39°
6
54°
32°
7
66°
30°
8
73°
36°
9
73°
45°
10
70°
36°
11
66°
34°
12
79°
46°
13
70°
43°
14
77°
57°
15
83°
61°
16
84°
63°
17
85°
66°
18
82°
59°
19
76°
48°
20
65°
45°
21
63°
45°
22
67°
48°
23
73°
52°
24
76°
56°
25
76°
55°
26
78°
56°
27
75°
51°
28
73°
55°
29
71°
51°
30
69°
52°
31
70°
51°
1
70°
49°
2
71°
49°
3
71°
56°
4
74°
59°
5
81°
60°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Anamosa
Anamosa's May 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 45° and 66°. The average high for May is 75° 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 Anamosa. See also: June | July | August.