Surat Thani weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Surat Thani, Thailand. Like most weather services, we show Surat Thani at one spot: Surat Thani, its largest city. At 3:30 AM local time it was mostly clear and 25°C (77°F). Mostly light, on-and-off rain; heavier around 6 PM (4.0 mm total). Best months for weather: Feb–Mar.
Current conditions
- Clouds
- 20%
- Chance of rain
- 37%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 6 PM (4.0 mm total)
Daily Forecast
Best Time to Visit
Peak season Feb–MarOff season May–Dec
About Surat Thani weather
Is it raining in Surat Thani right now?
No. It’s mostly clear and 25° right now. Mostly light, on-and-off rain; heavier around 6 PM (4.0 mm total).
What’s the weather like in Surat Thani this week?
Over the next 7 days, expect highs of 30–31° and lows of 23–24°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Monday.
Has it been raining in Surat Thani lately?
In the past 7 days, Surat Thani had 7 rainy days and 63.0 mm of rain in total.
What should I pack for Surat Thani?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Surat Thani weather by month
When is the best time to visit Surat Thani?
Based on weather alone, the best time to visit Surat Thani is Feb–Mar, according to NASA's 2001–2025 climate averages. May–Dec tends to be the least pleasant. Average highs run from 28°C (83°F) in December to 32°C (90°F) in April.
What is the rainiest month in Surat Thani?
November is the wettest month, with about 320 mm (12.6 in) of rain on average. February is the driest, with about 31 mm (1.2 in).
What is the hottest month in Surat Thani?
April is the warmest, with average highs of 32°C (90°F) and lows of 25°C (76°F). December is the coolest, with highs of 28°C (83°F) and lows of 23°C (73°F).
Does Surat Thani have a rainy season?
Yes. May–Dec is the rainy season (150 mm or more a month), while Feb is usually dry (under 60 mm).
How warm is the sea in Surat Thani?
The sea is warmest in May at about 32°C (89°F) and coolest in December at about 28°C (83°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Surat Thani), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Surat Thani
Weather can differ a lot within Surat Thani: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Surat Thani | Feb–Mar | May–Dec | 28–32°C | 2,329 mm |
| Ko Samui | Feb–Apr | May–Jul, Sep–Dec | 27–30°C | 2,088 mm |
| Tha Kham | Feb–Mar | May–Dec | 28–32°C | 2,329 mm |
| Ban Na San | Feb–Mar | May–Dec | 28–32°C | 2,329 mm |