Mae Sai weather in May (Chiang Rai Province, Thailand)

How's the weather trend in Mae Sai as May approaches? Check out this detailed guide to the month’s weather conditions.

Temperatures

In May, Mae Sai typically experiences very high temperatures and heavy rainfall. The daytime often sees temperatures reaching 33°C, but nighttime brings a cool-down to 23°C. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.

Precipitation

Mae Sai in May falls under the rainy season with heavy rainfall, averaging around 298 mm for the month. Records from the past 30 years suggest that around 17 days will experience rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 199 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Mae Sai. January, February, November and December typically offer the best circumstances. While April, May, June, July, August and September tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mae Sai climate page with graphs.

 

Mae Sai, monthly averages in May

Min Temperature 23°C  

Max Temperature 33°C  

Chance of Rain 56%  

Precipitation 298 mm  

Rainy days 17 days  

Humidity 76% *  

Sunshine 199 hours *  

Percentage Sunshine *  

Data from: Chiang Rai, Thailand (60 KM, 37 Miles).

Where to go in Thailand in May

Find out more about the weather in Thailand and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mae Sai.

Our site offers climate and forecast data for every country in the world. Are you going to Thailand? On this website you can find historical weather averages for many cities in Thailand. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.