Rayong Province Weather in May

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

Considering a trip to Rayong Province, Thailand this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Rayong Province in May

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

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C (88°F) and nighttime temperatures around 27°C (81°F) in Koh Samet. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

To learn more about the conditions in specific areas of Rayong Province, Thailand, check out the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Ban Chang with an average of 157 mm (6.2 in) to heavy rainfall in Mae Pim with 292 mm (11 in).

Average sunshine

Sunshine levels are moderate in most locations. Koh Samet typically sees 156 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Rayong Province by month

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

Best Places to Visit in Rayong Province in May

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

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

Temperature range in Rayong Province (May)

Precipitation variation in Rayong Province (May)

Koh Samet

In May Koh Samet generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
210 hours
156 hours
115 hours
Monthly rainfall
110 mm (4.3 in)
287 mm (11 in)
308 mm (12 in)
Monthly rainy days
8 days
16 days
15 days
Weather conditions

Rayong

In May Rayong generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
33°C (91°F)
32°C (90°F)
32°C (90°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
210 hours
156 hours
115 hours
Monthly rainfall
128 mm (5 in)
234 mm (9.2 in)
236 mm (9.3 in)
Monthly rainy days
7 days
15 days
14 days
Weather conditions

Ban Chang

In May Ban Chang generally has very high temperatures with maximum daytime temperatures around 33°C (91°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
34°C (93°F)
33°C (91°F)
33°C (91°F)
Min temperature
27°C (81°F)
28°C (82°F)
27°C (81°F)
Monthly sun hours
210 hours
156 hours
115 hours
Monthly rainfall
85 mm (3.3 in)
157 mm (6.2 in)
147 mm (5.8 in)
Monthly rainy days
7 days
14 days
12 days
Weather conditions

Mae Pim

In May Mae Pim generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
208 hours
119 hours
59 hours
Monthly rainfall
117 mm (4.6 in)
292 mm (11 in)
336 mm (13 in)
Monthly rainy days
8 days
17 days
17 days
Weather conditions

Ban Phe

In May Ban Phe generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
210 hours
156 hours
115 hours
Monthly rainfall
109 mm (4.3 in)
259 mm (10 in)
278 mm (11 in)
Monthly rainy days
8 days
16 days
15 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Koh Samet 31°C (88°F) 27°C (81°F) 287 mm (11 in)
Rayong 32°C (90°F) 27°C (81°F) 234 mm (9.2 in)
Ban Chang 33°C (91°F) 28°C (82°F) 157 mm (6.2 in)
Mae Pim 32°C (90°F) 27°C (81°F) 292 mm (11 in)
Ban Phe 32°C (90°F) 27°C (81°F) 259 mm (10 in)
Klaeng 32°C (90°F) 27°C (81°F) 264 mm (10 in)

Rayong Province weather in May: frequently asked questions

What is the weather like in Rayong Province, Thailand in May?

In May, Rayong Province, Thailand generally has poor weather conditions. Koh Samet sees daytime temperatures near 31°C (88°F), with nights cooling to roughly 27°C (81°F).

What is the average temperature in Rayong Province, Thailand in May?

In Koh Samet, the average daytime high in May is 31°C (88°F), while nighttime temperatures drop to around 27°C (81°F).

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

Yes. May brings heavy rainfall to Rayong Province, Thailand, with Koh Samet averaging around 287 mm (11 in). Expect frequent showers and pack accordingly.

Is May a Good Time to Visit Rayong Province, Thailand?

In our view, May might not be the best time to travel to Rayong Province, Thailand with often poor weather in Koh Samet.

Generally speaking, January, February and December provide pleasant weather in Koh Samet. On the other hand, the weather in May, June, July, August, September and October tend to be poor.

Interested in more climate information?

We have much more information about the climate in Rayong 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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