Chiang Mai, Thailand — Climate
Chiang Mai Weather
Chiang Mai has a tropical climate, but is cooler and less humid than elsewhere in Thailand. Chaing Mai experiences monsoons. The south-west monsoon arrives from India at the end of May and lasts until November, with the heaviest downpours in August/September. Rain usually occurs in the late afternoon. Between November and May cool air blows in from China and northern Vietnam, bringing a dry season with mild days and balmy nights. Temperatures are at their lowest in December/January, and it is chilly enough to require a warm jacket at night.
Average Temperatures and Rainfall in Chiang Mai
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainfall (inches) | 0.3 | 0.2 | 0.5 | 2.0 | 6.2 | 5.2 | 6.3 | 9.3 | 9.0 | 4.8 | 2.1 | 0.8 |
| Rainfall (cm) | 7 | 5 | 13 | 50 | 158 | 132 | 161 | 236 | 228 | 122 | 53 | 20 |
| Min Temp (°C) | 13 °C | 14 °C | 17 °C | 22 °C | 23 °C | 23 °C | 23 °C | 23 °C | 23 °C | 21 °C | 19 °C | 15 °C |
| Max Temp (°C) | 29 °C | 32 °C | 34 °C | 36 °C | 34 °C | 32 °C | 31 °C | 31 °C | 31 °C | 31 °C | 30 °C | 28 °C |
| Min Temp (°F) | 55 °F | 57 °F | 63 °F | 72 °F | 73 °F | 73 °F | 73 °F | 73 °F | 73 °F | 70 °F | 66 °F | 59 °F |
| Max Temp (°F) | 84 °F | 90 °F | 93 °F | 97 °F | 93 °F | 90 °F | 88 °F | 88 °F | 88 °F | 88 °F | 86 °F | 82 °F |
| Good Weather | Yes | Yes | Yes | Yes | Yes | No | No | No | No | No | Yes | Yes |




