S
M
T
W
T
F
S
26
97°
74°
27
101°
76°
28
99°
78°
29
102°
73°
30
97°
76°
1
100°
75°
2
101°
77°
3
101°
79°
4
103°
78°
5
96°
77°
6
102°
77°
7
104°
75°
8
100°
75°
9
92°
77°
10
96°
75°
11
97°
74°
12
96°
75°
13
93°
75°
14
93°
75°
15
93°
74°
16
98°
78°
17
102°
77°
18
101°
79°
19
100°
76°
20
97°
75°
21
98°
78°
22
96°
78°
23
95°
77°
24
99°
79°
25
98°
78°
26
94°
77°
27
98°
76°
28
98°
74°
29
96°
73°
30
94°
73°
31
91°
76°
1
97°
77°
2
97°
77°
3
97°
77°
4
96°
78°
5
95°
78°
6
93°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mueang Chiang Mai
Mueang Chiang Mai's May 2026 forecast shows daily high temperatures ranging from 91° to 97°, with overnight lows between 76° and 78°. The average high for May is 95° with an average low of 77°. 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 Mueang Chiang Mai. See also: June | July | August.