Chiang Mai weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Fair
Best time to visit: November – January
What is the weather like in Chiang Mai in October?
In October, Chiang Mai is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 16 days, totalling 125 mm. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Chiang Mai.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 42 | 52 | 83 |
| Day | 29° | 29° | 29° |
| Night | 23° | 22° | 19° |
| Sun | 5 h | 6 h | 8 h |
| Rain days | 24 | 16 | 5 |
More details for October
- Daylight
- 11 h 45 min06:17 – 18:02
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 6 km/haverage daily peak
- Cloud cover
- 63 %on average
- Hot days
- 11 days30 °C or more
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 50 %73 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 30 %16 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Chiang Mai in October: quick answers
Is Chiang Mai hot in October?
Yes. In October, Chiang Mai is hot: daytime highs average 29 °C and nights stay around 22 °C. On about 11 days the thermometer climbs to 30 °C or more.
Does it rain much in Chiang Mai in October?
It rains often – on about 16 days, adding up to 125 mm.
Chiang Mai month by month
The whole year in Chiang MaiAll destinations: ThailandWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)