S
M
T
W
T
F
S
26
92°
70°
27
92°
70°
28
91°
65°
29
86°
65°
30
77°
64°
1
72°
53°
2
73°
50°
3
76°
55°
4
82°
62°
5
86°
64°
6
87°
65°
7
84°
61°
8
77°
59°
9
77°
61°
10
78°
65°
11
82°
67°
12
83°
66°
13
81°
65°
14
80°
64°
15
80°
61°
16
81°
61°
17
80°
63°
18
81°
68°
19
87°
65°
20
82°
62°
21
81°
61°
22
82°
65°
23
85°
70°
24
91°
69°
25
87°
68°
26
84°
66°
27
82°
66°
28
83°
64°
29
85°
66°
30
85°
64°
31
86°
69°
1
86°
69°
2
87°
70°
3
86°
70°
4
84°
69°
5
96°
68°
6
96°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Llano
Llano's May 2026 forecast shows daily high temperatures ranging from 72° to 96°, with overnight lows between 50° and 70°. The average high for May is 84° with an average low of 65°. 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 Llano. See also: June | July | August.