Daytime highs, nighttime lows and the warmest cities across Thailand this May.
Thailand, experiences maximum daytime temperatures in May ranging from 30°C (86°F) in Bo Kluea to 38°C (100°F) in Nakhon Sawan. Nighttime temperatures generally drop to 27°C (81°F) in Nakhon Sawan and 19°C (66°F) in Bo Kluea.
Explore the map below to discover average May temperatures at the top destinations in Thailand. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thailand.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Daytime temperatures in Bangkok typically peak at 36°C (97°F) in May, putting it in the extremely high range.
After dark, Bangkok cools to about 28°C (82°F) on an average May night.
Based on our systematic data collection, Nakhon Sawan has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 38°C (100°F), while at night it goes down to an approximate temperature of 27°C (81°F).
For the month of May, Bo Kluea is the most temperate city in Thailand based on our records. Highs average 30°C (86°F) and nighttime temperatures dip to around 19°C (66°F).
Across Thailand, sunshine in May ranges from overcast in Ao Phang Nga Marine national park (0 hours) to sunny in Bangkok (216 hours).
The water temperature averages approximately 30°C (86°F) in Phuket this month, warm, bath-like water that stays very comfortable for a long swim.
We have much more information about the climate in Thailand.
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.
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