Koh Samet weather in May 2025

The temperatures in Koh Samet during May are extremely high, between 28°C and hot as 31°C, drinking water regularly is advisable.

There’s going to be many days of rain during the month of May in Koh Samet.

Koh Samet should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!

Our weather forecast can give you a great sense of what weather to expect in Koh Samet in May 2025.

If you’re planning to visit Koh Samet in the near future, we highly recommend that you review the 14 day weather forecast for Koh Samet before you arrive.

Temperatures

31° / 28°

Rainy Days

Snowy Days

Dry Days

Rainfall

370

Sun Hours

11.1

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1 33° /27°	2 32° /27°	3 32° /27°
4 33° /28°	5 33° /28°	6 33° /28°	7 33° /27°	8 33° /27°	9 32° /27°	10 31° /27°
11 33° /28°	12 34° /29°	13 33° /29°	14 33° /28°	15 33° /28°	16 33° /29°	17 33° /28°
18 32° /28°	19 33° /28°	20 33° /28°	21 33° /28°	22 31° /27°	23 31° /27°	24 32° /27°
25 31° /27°	26 33° /27°	27 31° /28°	28 31° /28°	29 31° /27°	30 31° /27°	31 32° /27°

Explore the weather in Koh Samet in other months

Koh Samet annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	30° / 25°	3	28	57 mm	Good	Koh Samet in January
February	30° / 26°	3	25	57 mm	Good	Koh Samet in February
March	31° / 27°	8	23	124 mm	Ok	Koh Samet in March
April	31° / 28°	11	19	163 mm	Ok	Koh Samet in April
May	31° / 28°	18	13	370 mm	Ok	Koh Samet in May
June	30° / 28°	21	9	605 mm	Ok	Koh Samet in June
July	30° / 27°	21	10	619 mm	Ok	Koh Samet in July
August	30° / 27°	20	11	585 mm	Ok	Koh Samet in August
September	30° / 27°	19	11	563 mm	Ok	Koh Samet in September
October	30° / 27°	17	14	460 mm	Ok	Koh Samet in October
November	31° / 26°	6	24	147 mm	Good	Koh Samet in November
December	30° / 25°	2	29	39 mm	Good	Koh Samet in December

Temperatures in Koh Samet in May

Rain in Koh Samet in May

Weather in Koh Samet in May - FAQ

What is the average temperature in Koh Samet in May?

The average temperature in Koh Samet in May is 28/31° C.

What is the chance of rain in Koh Samet in May?

On average, there are 18 rainy days in Koh Samet during May.

Weather wise, is May a good time to visit Koh Samet?

The weather in Koh Samet in May is ok.

Can it snow in Koh Samet in May?

On average, there are 0 snowy days in Koh Samet in May.

More about the weather in Koh Samet