Thailand weather in May
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





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.
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.
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.
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.
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.
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.
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.
Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.