Thailand weather in May

Many people wonder what kind of weather they can expect in May in Thailand. Is this month a good time to go to Thailand? To answer that question we created this page with all the information you need.

What is the weather like in Thailand in May?

The weather conditions in Thailand in May vary from poor to tolerable depending on the destination.

During May in Thailand the average maximum daytime temperatures are very high and range from 30°C (86°F) in Thongsala to 36°C (96°F) in Nakhon Sawan. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

Precipitation in May varies from high in Ban Khao Takiap with an average of 135mm (5.3 inches) of rainfall to heavy in Ko Kho Khao with 298mm (12 inches). It is also generally a sunny time of year with an average of 216 hours of sunshine in Bangkok during the entire month.

We invite you to have a look at the map below to discover more about the various weather conditions around Thailand.

Where to go in Thailand in May

Find the average weather conditions in May for the most popular destinations in Thailand on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in Thailand

What is the weather like in May for the 5 most popular destinations in Thailand?

Average weather in Bangkok

In May Bangkok generally has very high temperatures with maximum daytime temperatures around 34°C (94°F), minimum nighttime temperatures around 26°C (78°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Bangkok
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
36°C / 96°F 
26°C / 78°F 
257 hours 
110mm / 4.3" 
9 days 
poor 
34°C / 94°F 
26°C / 78°F 
216 hours 
189mm / 7.4" 
16 days 
poor 
June   >> June
>>  
33°C / 92°F 
26°C / 78°F 
178 hours 
233mm / 9.2" 
17 days 
poor 
Climate in Bangkok

Average weather in Chiang Mai

In May Chiang Mai generally has very high temperatures with maximum daytime temperatures around 34°C (92°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Chiang Mai
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
36°C / 97°F 
22°C / 72°F 
280 hours 
84mm / 3.3" 
8 days 
poor 
34°C / 92°F 
23°C / 73°F 
199 hours 
169mm / 6.6" 
15 days 
June   >> June
>>  
32°C / 90°F 
23°C / 74°F 
158 hours 
108mm / 4.3" 
16 days 
Climate in Chiang Mai

Average weather in Patong Beach

In May Patong Beach generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Patong Beach
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
34°C / 92°F 
24°C / 75°F 
183 hours 
143mm / 5.6" 
11 days 
33°C / 91°F 
24°C / 75°F 
151 hours 
257mm / 10" 
18 days 
poor 
June   >> June
>>  
32°C / 90°F 
24°C / 75°F 
150 hours 
243mm / 9.6" 
18 days 
poor 
Climate in Patong Beach

Average weather in Hua Hin

In May Hua Hin generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Hua Hin
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
35°C / 96°F 
25°C / 77°F 
240 hours 
80mm / 3.2" 
9 days 
34°C / 93°F 
25°C / 77°F 
195 hours 
220mm / 8.7" 
17 days 
poor 
June   >> June
>>  
32°C / 90°F 
25°C / 76°F 
152 hours 
347mm / 14" 
20 days 
poor 
Climate in Hua Hin

Average weather in Ao Nang Beach

In May Ao Nang Beach generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Ao Nang Beach
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
34°C / 93°F 
24°C / 74°F 
185 hours 
125mm / 4.9" 
11 days 
33°C / 91°F 
24°C / 75°F 
156 hours 
228mm / 9" 
18 days 
poor 
June   >> June
>>  
32°C / 90°F 
24°C / 75°F 
151 hours 
185mm / 7.3" 
18 days 
Climate in Ao Nang Beach

Is your destination not in the list? Have a look at other destinations in Thailand.

Is May the best time to go to Thailand?

In our opinion May is not the best time to visit Thailand with commonly poor weather in Bangkok.

On average the best time to visit Thailand is in January and December with generally perfect weather in Bangkok. The worst months are April, May, June, July, August and September that can have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Thailand. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

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