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Chiang Mai in August: Weather, Average temperature and Climate

Discover the weather for Chiang Mai in August and if it’s a good time to travel (based on historical data).
Check flight prices to Chiang Mai on Avionero:
August

Weather in Chiang Mai in August 2024

OK Weather
Hot
🌧️
Rainy
August could be a good time to visit Chiang Mai, as the weather is generally fine. The average high temperature is around +90°F, and there are typically 0 sunny days in August. However, expect about 21 rainy days, and total monthly rainfall of approximately 221 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+90°F
Avg. max. temperature
+72°F
Min.
+100°F
Max.
221 mm
Total precipitation
77%
Avg. humidity
0 m/s
Avg. wind
0 ☀️
Sunny Days
10 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Chiang Mai has OK weather in August.

Average temperature in Chiang Mai in August

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

Going from a maximum of +95°F during the day to a minimum of +73°F during the night, the temperature in August averages around +90°F.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +91°F to +91°F.

Is Chiang Mai warm or cold in August?

Chiang Mai is typically hot in August.

Maximum temperatures go down compared to the previous month from +90°F to +90°F. The minimum temperature also goes up from +77°F to +77°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

Take a look at how August is compared to other months in Chiang Mai:

Climate in Chiang Mai in August

Chiang Mai weather looks like this, on average, in August and the surrounding months.
JulyAugustSeptember
Avg. temperature
+90°F+90°F+90°F
Min. temperature
+72°F+72°F+68°F
Max. temperature
+102°F+100°F+97°F
Rainfall
170 mm221 mm187 mm
Wind
1 m/s0 m/s0 m/s
Humidity
75%77%78%
Air pressure
1004 HPa1005 HPa1007 HPa
Sunny days
001
Cloudy days
141011
Rainy days
172118
Snowy days
000

August typically has worse weather conditions compared to July. The temperature levels stay the same in the area of +90°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 170 mm to 221 mm. Humidity rises from 75% to 77%. Winds are calmer in comparison to July, going down from 1 m/s to 0 m/s on average. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

September brings much the same weather, it remains ok.

Wind

Wind speed in Chiang Mai in August 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 increasing during August, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during August in Chiang Mai based on historical data.
Last Year
Historical Data
Typically, there is a 87% chance of rain on an average day in August, with total rainfall of approximately 240 mm. The maximum amount of rainfall per day is around 41 mm, which is moderate rain. August is a pretty wet month with over 27 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
August is one of the rainiest months in Chiang Mai, here is a comparison with other months, total mm:
Chiang Mai wettest month is August, where a typical day has a 68% chance of precipitation and 221 mm of rainfall per day. February, on the other hand, is the driest month with a mere 0% chance of precipitation and 4 mm of rainfall per day.

How was the weather last August in Chiang Mai?

This is the weather in Chiang Mai in August 2023:
1 August
🌧️
+91°F
2 August
🌧️
+87°F
3 August
☁️
+90°F
4 August
☁️
+93°F
5 August
🌧️
+89°F
6 August
🌧️
+90°F
7 August
🌧️
+88°F
8 August
🌧️
+85°F
9 August
☁️
+86°F
10 August
☁️
+89°F
11 August
🌧️
+90°F
12 August
🌧️
+81°F
13 August
🌧️
+87°F
14 August
☁️
+90°F
15 August
☁️
+91°F
16 August
🌧️
+87°F
17 August
🌧️
+88°F
18 August
🌧️
+89°F
19 August
☁️
+91°F
20 August
☁️
+91°F
21 August
🌧️
+85°F
22 August
☁️
+88°F
23 August
☀️
+92°F
24 August
☁️
+93°F
25 August
🌧️
+83°F
26 August
🌧️
+89°F
27 August
🌧️
+86°F
28 August
☀️
+91°F
29 August
☀️
+95°F
30 August
☁️
+93°F
31 August
☀️
+92°F
In August 2023 Chiang Mai had 4 sunny days, 11 cloudy days, and 16 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +95°F and a minimum of +81°F. The average humidity was 79%, with a maximum of 100% and a minimum of 51%. The average wind speed was 1 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in August?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1994 (+88°F) and the highest in 1990 (+95°F). The driest year was 1979 with only 103 mm of rainfall, and the wettest year was 2019 with 506 mm.

FAQ

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

Is August a good time to visit Chiang Mai?

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

Can you sunbathe in Chiang Mai in August?

Absolutely, August 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 August?

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

Is it sunny in Chiang Mai in August?

Usually, it’s not very sunny in Chiang Mai in August, 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, 2022.

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.