S
M
T
W
T
F
S
26
65°
52°
27
66°
45°
28
72°
41°
29
76°
51°
30
70°
52°
1
66°
50°
2
59°
52°
3
65°
46°
4
79°
52°
5
82°
59°
6
83°
63°
7
72°
52°
8
70°
49°
9
78°
54°
10
83°
63°
11
71°
49°
12
72°
43°
13
78°
51°
14
77°
56°
15
75°
50°
16
84°
58°
17
91°
66°
18
94°
70°
19
93°
71°
20
92°
70°
21
89°
66°
22
72°
62°
23
87°
62°
24
85°
69°
25
85°
74°
26
86°
72°
27
86°
71°
28
84°
61°
29
80°
65°
30
77°
56°
31
73°
56°
1
79°
59°
2
78°
58°
3
77°
62°
4
79°
62°
5
82°
63°
6
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Avoca
Avoca's May 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 72°. The average high for May is 80° with an average low of 62°. 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 Avoca. See also: June | July | August.