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ThailandThe weather in May in Chiang Mai
It's hot in May in Chiang Mai with an average temperature of 36°C. Temperatures this month range from a low of 34°C to a high of 37°C. At night, you can expect temperatures between 24°C and 26°C.
Looking for sun? May isn’t a good month to be in Chiang Mai. The average temperature of 36°C this month is uncomfortably hot, and there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Chiang Mai, Thailand. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 42°C in 2016, Chiang Mai reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 25°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 30°C.
Rainfall amount
In May, there is an average of 185 mm of precipitation, spread over 20 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Chiang Mai
Click on any day in May to get detailed info about the usual weather on that day in Chiang Mai. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Chiang Mai | New York | |
|---|---|---|
| Average temperature | 36°C | 22°C |
| Max. temperature | 37°C | 28°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 185 mm | 105 mm |
| Rainy days | 20 days | 14 days |
Start of May
The month of May starts in Chiang Mai with hot temps, averaging around 37°C during the day and nights around 25°C.
Mid May
By mid-May, daytime temps drop to around 36°C, with nights around 26°C. There’s a high chance of precipitation during this time.
End of May
By the end of May, the average daytime temperature in Chiang Mai is around 35°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The typhoon season in Chiang Mai runs from June to November.
Check out the climate of Chiang Mai for all months and discover the best travel time
Curious about the weather in other parts of Thailand? Check out the climate and weather for spots like Bangkok, Phuket, Krabi, or explore other destinations in Thailand.
Temperature charts
These charts show the average temperatures in May in Chiang Mai, Thailand. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Chiang Mai
Temperature in May in Chiang Mai over the years
Precipitation charts
These charts show the average amount of precipitation in May in Chiang Mai, Thailand. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Chiang Mai
Total precipitation in May in Chiang Mai over the years
Daily UV index in May in Chiang Mai
This chart shows the average daily UV index in May in Chiang Mai, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Chiang Mai
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Average weather in Chiang Mai by month
Click on a month below to see detailed weather info for Chiang Mai. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.