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Chiang Mai in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Chiang Mai in October will be like? Take a look at our weather guide for Chiang Mai, based on historical data.
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October

Weather in Chiang Mai in October 2025

OK Weather
Hot
🌧️
Rainy
If you plan to visit Chiang Mai in October, the weather is typically alright, with an average high temperature of +88°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 15 rainy days in the month and around 114 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+88°F
Avg. max. temperature
+59°F
Min.
+99°F
Max.
114 mm
Total precipitation
77%
Avg. humidity
0 m/s
Avg. wind
4 ☀️
Sunny Days
4 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Chiang Mai has OK weather in October.

Average temperature in Chiang Mai in October

Here are the expected maximum, average and minimum temperatures in Chiang Mai for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +93°F during the day to a minimum of +73°F during the night, the temperature in October averages around +88°F.

The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +90°F to +82°F.

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 +90°F to +88°F. The minimum temperature also goes down from +75°F to +73°F.

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

Chiang Mai weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+90°F+88°F+86°F
Min. temperature
+68°F+59°F+48°F
Max. temperature
+97°F+99°F+99°F
Rainfall
190 mm114 mm25 mm
Wind
0 m/s0 m/s0 m/s
Humidity
79%77%73%
Air pressure
1008 HPa1011 HPa1013 HPa
Sunny days
0412
Cloudy days
149
Rainy days
16158
Snowy days
000

October weather is still as ok as in September. It’s getting colder in October. From +90°F in the day, the average maximum temperature lowers to +88°F. 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

Wind speed in Chiang Mai in October based on historical data.
Last Year
Historical Data

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

Amount of rainfall in mm during October in Chiang Mai based on historical data.
Last Year
Historical Data
Typically, there is a 77% chance of rain on an average day in October, with total rainfall of approximately 226 mm. The maximum amount of rainfall per day is around 75 mm, which is considered heavy rain. October is a pretty wet month with over 24 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Chiang Mai wettest month is August, where a typical day has a 71% chance of precipitation and 219 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 4 mm of rainfall per day.

How was the weather last October in Chiang Mai?

This is the weather in Chiang Mai in October 2023:
1 October
☁️
+89°F
2 October
☁️
+91°F
3 October
☁️
+93°F
4 October
☀️
+94°F
5 October
☀️
+92°F
6 October
🌧️
+92°F
7 October
🌧️
+84°F
8 October
🌧️
+87°F
9 October
🌧️
+81°F
10 October
☁️
+83°F
11 October
☁️
+87°F
12 October
☁️
+88°F
13 October
☁️
+88°F
14 October
☁️
+88°F
15 October
🌧️
+89°F
16 October
☁️
+87°F
17 October
☀️
+89°F
18 October
☀️
+91°F
19 October
☀️
+92°F
20 October
🌧️
+94°F
21 October
🌧️
+87°F
22 October
🌧️
+89°F
23 October
☁️
+87°F
24 October
☀️
+90°F
25 October
☀️
+92°F
26 October
☀️
+91°F
27 October
🌧️
+91°F
28 October
☁️
+87°F
29 October
☁️
+89°F
30 October
🌧️
+88°F
31 October
🌧️
+82°F
In October 2023 Chiang Mai had 8 sunny days, 12 cloudy days, and 11 rainy days. The average maximum temperature was +88°F, with an absolute maximum of +93°F and a minimum of +81°F. The average humidity was 86%, with a maximum of 100% and a minimum of 58%. The average wind speed was 1 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Chiang Mai climate has changed over the last 43 years.

The climate in Chiang Mai in October has not changed that much over the last 43 years.

The average temperature was the lowest in 2011 (+88°F) and the highest in 1998 (+93°F). The driest year was 1998 with only 604 mm of rainfall, and the wettest year was 1994 with 1462 mm.

FAQ

Frequently asked questions about the weather in Chiang Mai in October:

Is October a good time to visit Chiang Mai?

It’s always a good time to visit Chiang Mai, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Chiang Mai in October?

Absolutely, October is hot in Chiang Mai. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Chiang Mai rainy in October?

Chiang Mai is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Chiang Mai in October?

Usually, it’s not very sunny in Chiang Mai in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Thailand

Check out the weather for 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.