Weather in Chiang Mai in October 2025
Average weather
Average temperature in Chiang Mai in October
Going from a maximum of +34°C during the day to a minimum of +23°C during the night, the temperature in October averages around +31°C.
The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +32°C to +28°C.
Is Chiang Mai warm or cold in October?
Chiang Mai is typically hot in October.
Maximum temperatures go down compared to the previous month from +32°C to +31°C. The minimum temperature also goes down from +24°C to +23°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how October is compared to other months in Chiang Mai:
Climate in Chiang Mai in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +32°C | +31°C | +30°C | ||||
| Min. temperature | ||||||
| +20°C | +15°C | +9°C | ||||
| Max. temperature | ||||||
| +36°C | +37°C | +37°C | ||||
| Rainfall | ||||||
| 190 mm | 114 mm | 25 mm | ||||
| Wind | ||||||
| 0 m/s | 0 m/s | 0 m/s | ||||
| Humidity | ||||||
| 79% | 77% | 73% | ||||
| Air pressure | ||||||
| 1008 HPa | 1011 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 0 | 4 | 12 | ||||
| Cloudy days | ||||||
| 1 | 4 | 9 | ||||
| Rainy days | ||||||
| 16 | 15 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +32°C in the day, the average maximum temperature lowers to +31°C. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 190 mm to 114 mm. It feels drier, as humidity decreases from 79% to 77%. The average wind speed doesn’t change much during October, staying around 0 m/s. The good news is there are likely to be more sunny days in October, from 0 to 4.
But maybe it is worth considering traveling in November as the weather gets better.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chiang Mai is gradually decreasing during October, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last October in Chiang Mai?
Climate Change over Years
The climate in Chiang Mai in October has not changed much over the last 43 years.
The average temperature was the lowest in 2011 (+31°C) and the highest in 1998 (+34°C). The driest year was 1998 with only 604 mm of rainfall, and the wettest year was 1994 with 1462 mm.
FAQ
Is October a good time to visit Chiang Mai?
Can you sunbathe in Chiang Mai in October?
Is Chiang Mai rainy in October?
Is it sunny in Chiang Mai in October?
Other cities in Thailand
Monthly weather in Chiang Mai
Source of the data
For this page, we’ve looked at the typical weather in Chiang Mai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.