Chiang Mai Weather

Chiang Mai has a tropical savanna climate , tempered by the low latitude and moderate elevation, with warm to hot weather year-round, though nighttime conditions during the dry season can be cool and much lower than daytime highs. The maximum temperature ever recorded was 42.4 °C (108.3 °F) in May 2005. Cold and hot weather effects occur immediately but cold effects last longer than hot effects and contribute to higher cold related mortality risk among old people aged more than 85 years.

Average Temperature
Jan
84 °F
29 °C
Feb
89 °F
32 °C
Mar
97 °F
36 °C
Apr
98 °F
37 °C
May
95 °F
35 °C
Jun
90 °F
32 °C
Jul
88 °F
31 °C
Aug
87 °F
31 °C
Sep
88 °F
31 °C
Oct
88 °F
31 °C
Nov
86 °F
30 °C
Dec
82 °F
28 °C
Humidity
Jan
70%
Feb
53%
Mar
42%
Apr
45%
May
66%
Jun
75%
Jul
78%
Aug
84%
Sep
80%
Oct
80%
Nov
74%
Dec
69%
Rain
Jan
16mm
Feb
4mm
Mar
3mm
Apr
27mm
May
134mm
Jun
161mm
Jul
63mm
Aug
134mm
Sep
108mm
Oct
131mm
Nov
16mm
Dec
15mm
Clouds
Jan
19%
Feb
6%
Mar
15%
Apr
16%
May
62%
Jun
71%
Jul
87%
Aug
87%
Sep
66%
Oct
35%
Nov
26%
Dec
20%
Air quality US AQI
Jan
139
Feb
126
Mar
126
Apr
154
May
121
Jun
37
Jul
32
Aug
35
Sep
58
Oct
86
Nov
84
Dec
102
Sun
Jan
8UVI
Feb
11UVI
Mar
12UVI
Apr
13UVI
May
9UVI
Jun
7UVI
Jul
6UVI
Aug
6UVI
Sep
8UVI
Oct
9UVI
Nov
8UVI
Dec
7UVI