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Thailand weather in May 2025
Expect 34°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Thailand in May based on long-term weather averages. There is usually 15 days with some rainfall and 182 mm of average monthly rainfall in May.
- 34°C max day temperature
34 - 7 hours of sunshine per day
- 15 days with some rainfall
15 - 26°C min night temperature
26 - 13 hours of daylight per day
13 - Extreme heat & humidity
E - 182 mm of monthly rainfall
182 - 11+ (Extreme) UV index
11
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Recommended for Thailand
The May weather guide for Thailand (Bangkok) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Thailand destinations
Below are average maximum temperatures at popular countries, regions and places in Thailand in May. Select a holiday destination to see more weather parameters.
All Thailand destinations
- Bangkok
- Cha Am
- Chiang Mai
- Chiang Rai
- Hat Yai
- Hua Hin
- Kanchanaburi
- Khao Lak
- Khao Sok National Park
- Khao Yai National Park
- Koh Chang
- Koh Samui
- Krabi
- Mae Hong Son
- Nakhon Ratchasima
- Nan
- Nong Khai
- Pattaya
- Phi Phi
- Phuket
- Sukhothai
- Surat Thani
- Ubon Ratchathani
- Udon Thani
Metric (°C / mm) | Imperial (°F / inches)
More about Thailand
How hot is it in Thailand in May?
Daytime temperatures usually reach 34°C in Bangkok, Thailand in May with extreme heat and humidity, falling to 26°C at night.
How sunny is it in Thailand in May?
There are normally 7 hours of bright sunshine each day in Bangkok, Thailand in May - that's 52% of daylight hours.
Does it rain in Thailand in May?
There are usually 15 days with some rain in Bangkok, Thailand in May and the average monthly rainfall is 182mm.
Thailand May sunrise & sunset times
Browse the sunrise and sunset times for Thailand in May 2025. Select a month to view Thailand sunrise and sunset times for the next 12 months. The Thailand sunrise and sunset times shown below are for Bangkok.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Thursday, 1st May 2025 | 05:56 | 18:34 |
| Friday, 16th May 2025 | 05:51 | 18:38 |
| Saturday, 31st May 2025 | 05:49 | 18:42 |
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