Yearly weather and climate in Chiang Mai, Thailand
The yearly weather in Chiang Mai runs from around 17°C in January to 38°C in April. February is the driest month at 2 rainy days; August the wettest at 31. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in Jan, Feb, Mar, Nov, Dec, with mild temperatures and lower rainfall.
Sunshine
Expect up to 11.4 hours of clear skies in Apr, but only 8 hours in Aug. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Sep (491mm over 27 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 9°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Chiang Mai, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 2882°1763°4Jan
- 3087°1864°2Feb
- 3493°2169°2Mar
- 38101°2476°3Apr
- 3494°2476°21May
- 3289°2476°28Jun
- 3187°2475°30Jul
- 3086°2474°31Aug
- 3086°2374°27Sep
- 3085°2272°20Oct
- 2984°2069°8Nov
- 2882°1966°3Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Feb is typically driest at 2 days (26mm); Aug the wettest at 31 days (398mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 28°C | 17°C | 4 | 11mm |
| Feb | 30°C | 18°C | 2 | 26mm |
| Mar | 34°C | 21°C | 2 | 12mm |
| Apr | 38°C | 24°C | 3 | 9mm |
| May | 34°C | 24°C | 21 | 273mm |
| Jun | 32°C | 24°C | 28 | 297mm |
| Jul | 31°C | 24°C | 30 | 409mm |
| Aug | 30°C | 24°C | 31 | 398mm |
| Sep | 30°C | 23°C | 27 | 491mm |
| Oct | 30°C | 22°C | 20 | 248mm |
| Nov | 29°C | 20°C | 8 | 40mm |
| Dec | 28°C | 19°C | 3 | 33mm |
Weather data by Open-Meteo.com
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