Koh Tao

Surat Thani Province Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Surat Thani Province, Thailand in May.

Planning a trip to Surat Thani Province, Thailand this May? Here's what you need to know about the weather:

What to Expect in Surat Thani Province in May

Surat Thani Province, Thailand is a region in Thailand. May in Surat Thani Province generally has very warm temperatures, with precipitation levels ranging from high to heavy.

Temperatures

The average maximum temperatures are very warm and range from 31°C (88°F) in Chaweng Beach to 35°C (95°F) in Ban Nong Ri. Nighttime temperatures generally drop to 25°C (77°F) in Ban Nong Ri and 28°C (82°F) in Chaweng Beach. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

For specific regional insights in Surat Thani Province, Thailand, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Laem Set Beach with an average of 119 mm (4.7 in) to heavy rainfall in Khao Sok with 266 mm (10 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Chaweng Beach sees close to 193 hours of sunlight, making it great for sun lovers.

Explore Surat Thani Province by month

Pick a month to see the average temperature, rainfall and sunshine in Surat Thani Province — and find the best time to visit. (based on Koh Samui)

Best Places to Visit in Surat Thani Province in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Surat Thani Province.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Surat Thani Province

What is the weather like in May for some of the most popular destinations in Surat Thani Province, Thailand?

Temperature range in Surat Thani Province (May)

Precipitation variation in Surat Thani Province (May)

Chaweng Beach

In May Chaweng Beach generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 28°C (82°F) and high monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Monthly sun hours
201 hours
193 hours
151 hours
Monthly rainfall
109 mm (4.3 in)
131 mm (5.2 in)
106 mm (4.2 in)
Monthly rainy days
8 days
17 days
16 days
Weather conditions

Koh Samui

In May Koh Samui generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 28°C (82°F) and high monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Monthly sun hours
201 hours
193 hours
151 hours
Monthly rainfall
106 mm (4.2 in)
126 mm (5 in)
102 mm (4 in)
Monthly rainy days
8 days
17 days
16 days
Weather conditions

Lamai Beach

In May Lamai Beach generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 28°C (82°F) and high monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Monthly sun hours
201 hours
193 hours
151 hours
Monthly rainfall
109 mm (4.3 in)
124 mm (4.9 in)
99 mm (3.9 in)
Monthly rainy days
8 days
17 days
16 days
Weather conditions

Koh Tao

In May Koh Tao generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 28°C (82°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Monthly sun hours
202 hours
195 hours
151 hours
Monthly rainfall
105 mm (4.1 in)
172 mm (6.8 in)
155 mm (6.1 in)
Monthly rainy days
8 days
17 days
18 days
Weather conditions

Bophut

In May Bophut generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 28°C (82°F) and high monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Monthly sun hours
201 hours
193 hours
151 hours
Monthly rainfall
108 mm (4.3 in)
134 mm (5.3 in)
110 mm (4.3 in)
Monthly rainy days
8 days
17 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Surat Thani Province, in Thailand.

Popular cities in May

Day & night temperatures, rainfall and average weather in Surat Thani Province in May.

City Weather Day temp Night temp Rainfall
Koh Samui 31°C (88°F) 28°C (82°F) 126 mm (5 in)
Chaweng Beach 31°C (88°F) 28°C (82°F) 131 mm (5.2 in)
Lamai Beach 31°C (88°F) 28°C (82°F) 124 mm (4.9 in)
Koh Tao 31°C (88°F) 28°C (82°F) 172 mm (6.8 in)
Bophut 31°C (88°F) 28°C (82°F) 134 mm (5.3 in)
Choeng Mon Beach 31°C (88°F) 28°C (82°F) 137 mm (5.4 in)

Surat Thani Province weather in May: frequently asked questions

What is the weather like in Surat Thani Province, Thailand in May?

Expect unpleasant weather across Surat Thani Province, Thailand in May. The popular destination of Chaweng Beach averages 31°C (88°F) by day and 28°C (82°F) at night during this month.

What is the average temperature in Surat Thani Province, Thailand in May?

Chaweng Beach averages a daytime maximum of 31°C (88°F) in May, with overnight lows close to 28°C (82°F).

Does Surat Thani Province, Thailand get a lot of rain in May?

Yes, May tends to be a wetter month in Surat Thani Province, Thailand. Average rainfall in Chaweng Beach sits around 131 mm (5.2 in).

Is May a Good Time to Visit Surat Thani Province, Thailand?

In our opinion, May is a good time to visit Surat Thani Province, Thailand with overall tolerable weather in Chaweng Beach.

On average, the best time to visit Surat Thani Province, Thailand is in January and February with generally perfect weather in Chaweng Beach. The weather in October and November, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Surat Thani Province.

Weather and climate has detailed information for every country 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 recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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