If you plan to visit Chiang Mai in May, the weather is typically alright, with an average high temperature of +95°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 13 rainy days in the month and around 138 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+95°F
Avg. max. temperature
+68°F
Min.
+109°F
Max.
138 mm
Total precipitation
67%
Avg. humidity
1 m/s
Avg. wind
2 ☀️
Sunny Days
3 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Chiang Mai has OK weather in May.
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Average temperature in Chiang Mai in May
Here are the expected maximum, average and minimum temperatures in Chiang Mai for May based on the historical data.
Last Year
Historical Data
Going from a maximum of +109°F during the day to a minimum of +75°F during the night, the temperature in May averages around +99°F.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +97°F to +95°F.
Is Chiang Mai warm or cold in May?
Chiang Mai is typically hot in May.
Maximum temperatures go down compared to the previous month from +99°F to +95°F. The minimum temperature also goes up from +75°F to +77°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
May is one of the warmest months in Chiang Mai, here is the comparison with other months:
Climate in Chiang Mai in May
Chiang Mai weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+99°F
+95°F
+91°F
Min. temperature
+66°F
+68°F
+72°F
Max. temperature
+109°F
+109°F
+104°F
Rainfall
34 mm
138 mm
146 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
54%
67%
73%
Air pressure
1007 HPa
1006 HPa
1005 HPa
Sunny days
13
2
0
Cloudy days
4
3
2
Rainy days
6
13
20
Snowy days
0
0
0
May typically has worse weather conditions compared to April.It’s getting colder in May. From +99°F in the day, the average maximum temperature lowers to +95°F.Prepare for more rain. Average rainfall goes from 34 mm to 138 mm.Humidity rises from 54% to 67%.The average wind speed doesn’t change much during May, staying around 1 m/s.The days becoming less sunny, going from 13 sunny days in April to 2 in May.
Wind speed in Chiang Mai in May 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 May, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Chiang Mai based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in May, with total rainfall of approximately 40 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain.May is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May 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 May in Chiang Mai?
This is the weather in Chiang Mai in May 2023:
1 May
☀️
+97°F
2 May
☁️
+99°F
3 May
☀️
+99°F
4 May
☀️
+102°F
5 May
☀️
+104°F
6 May
☀️
+105°F
7 May
☀️
+110°F
8 May
☁️
+104°F
9 May
☀️
+98°F
10 May
☀️
+94°F
11 May
🌧️
+97°F
12 May
🌧️
+92°F
13 May
🌧️
+88°F
14 May
☀️
+90°F
15 May
☁️
+88°F
16 May
☀️
+92°F
17 May
☀️
+96°F
18 May
☀️
+103°F
19 May
☀️
+101°F
20 May
☀️
+103°F
21 May
☀️
+102°F
22 May
☀️
+98°F
23 May
☁️
+100°F
24 May
☁️
+97°F
25 May
☀️
+99°F
26 May
☀️
+98°F
27 May
☁️
+102°F
28 May
☀️
+102°F
29 May
🌧️
+96°F
30 May
☀️
+104°F
31 May
☀️
+96°F
In May 2023 Chiang Mai had 21 sunny days, 6 cloudy days, and 4 rainy days. The average maximum temperature was +99°F, with an absolute maximum of +109°F and a minimum of +88°F. The average humidity was 64%, with a maximum of 100% and a minimum of 33%. The average wind speed was 1 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Chiang Mai climate has changed over the last 43 years.
The climate in Chiang Mai in May 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 May:
Is May a good time to visit Chiang Mai?
It’s always a good time to visit Chiang Mai, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Chiang Mai in May?
Absolutely, May 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 May?
Chiang Mai is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Chiang Mai in May?
Usually, it’s not very sunny in Chiang Mai in May, 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.
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.
