Click on a day for an hourly weather forecast
The temperatures in Bangkok during May are extremely high, between 29°C and hot as 35°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of May in Bangkok. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Bangkok in May 2025.
If you’re planning to visit Bangkok in the near future, we highly recommend that you review the 14 day weather forecast for Bangkok before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 24° | 2 | 29 | 0 | 30 mm | Good | Bangkok in January |
| February | 34° / 26° | 1 | 27 | 0 | 24 mm | Ok | Bangkok in February |
| March | 35° / 28° | 3 | 28 | 0 | 57 mm | Ok | Bangkok in March |
| April | 36° / 29° | 6 | 24 | 0 | 100 mm | Ok | Bangkok in April |
| May | 35° / 29° | 10 | 21 | 0 | 196 mm | Bad | Bangkok in May |
| June | 34° / 28° | 10 | 20 | 0 | 202 mm | Bad | Bangkok in June |
| July | 32° / 27° | 12 | 19 | 0 | 208 mm | Ok | Bangkok in July |
| August | 32° / 27° | 12 | 19 | 0 | 226 mm | Ok | Bangkok in August |
| September | 32° / 27° | 14 | 16 | 0 | 325 mm | Ok | Bangkok in September |
| October | 32° / 26° | 15 | 16 | 0 | 435 mm | Ok | Bangkok in October |
| November | 32° / 25° | 6 | 24 | 0 | 143 mm | Good | Bangkok in November |
| December | 32° / 24° | 1 | 30 | 0 | 22 mm | Good | Bangkok in December |