S
M
T
W
T
F
S
26
91°
82°
27
91°
82°
28
90°
79°
29
89°
80°
30
92°
79°
1
95°
82°
2
95°
81°
3
96°
80°
4
88°
84°
5
89°
84°
6
88°
83°
7
88°
84°
8
89°
84°
9
90°
83°
10
91°
84°
11
90°
84°
12
91°
83°
13
91°
84°
14
90°
84°
15
91°
83°
16
89°
82°
17
88°
84°
18
88°
84°
19
89°
82°
20
87°
84°
21
88°
83°
22
88°
84°
23
88°
84°
24
88°
82°
25
89°
84°
26
88°
84°
27
88°
83°
28
89°
84°
29
88°
84°
30
87°
82°
31
89°
84°
1
90°
82°
2
89°
82°
3
90°
81°
4
89°
83°
5
91°
82°
6
89°
83°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ban Lamai
Ban Lamai's May 2026 forecast shows daily high temperatures ranging from 87° to 96°, with overnight lows between 79° and 84°. The average high for May is 90° with an average low of 83°. 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 Ban Lamai. See also: June | July | August.