Tropical islands, stunning beaches and world-class diving

Famous for the Full Moon Party, Koh Phangan offers stunning beaches, wellness retreats, and a laid-back island atmosphere.

Koh Samui is Thailand's second-largest island, famous for its palm-fringed beaches, coconut groves and luxury resorts. From the famous Big Buddha temple to pristine white sand beaches like Chaweng and Lamai, this Gulf of Thailand gem offers the perfect blend of relaxation and adventure.

Thailand's premier diving destination, Koh Tao offers world-class dive sites, beautiful beaches, and a relaxed backpacker atmosphere.
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Live conditions, updated continuously — sun times calculated for this exact location.
Sources: Open-Meteo and our own solar calculations
Long-term averages 1991–2020 — what the weather is normally like, not a forecast.
Best time to go
December – February
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| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | 30° | 32° | 32° | 31° | 30° | 29° | 29° | 29° | 28° | 29° | 29° | 29° |
| Night | 23° | 24° | 24° | 25° | 25° | 25° | 25° | 25° | 24° | 24° | 24° | 23° |
| Precipitation (mm) | 55 | 48 | 113 | 186 | 267 | 248 | 256 | 276 | 305 | 345 | 241 | 127 |
| Rain days (days) | 9 | 7 | 14 | 23 | 27 | 24 | 26 | 26 | 26 | 29 | 23 | 15 |
| Sunshine (h/day) | 10.4 | 10.8 | 10.5 | 10.5 | 9.7 | 9.5 | 9.2 | 9 | 8.5 | 8 | 8.6 | 9.4 |
| Colour shows how well the month suits a trip |
Source: Open-Meteo ERA5 reanalysis, 1991–2020
How often it normally rains — share of days with at least 1 mm, averaged over 1991–2020.
Driest period
December – March
Driest month
February · 24%
Wettest month
October · 92%
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain probability | 27% | 24% | 44% | 77% | 87% | 81% | 83% | 84% | 88% | 92% | 78% | 47% |
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain days (days) | 9 | 7 | 14 | 23 | 27 | 24 | 26 | 26 | 26 | 29 | 23 | 15 |
Source: Open-Meteo ERA5 reanalysis, 1991–2020
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An interactive map of hotels and apartments in Southern Thailand, from our partner Stay22.
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Tours and activities in Southern Thailand, from our partner GetYourGuide.
Travel businesses that pay to be visible here.
Paid partner placements. GlobeFellas is compensated by these businesses. It never affects our rankings, ratings or climate data.
Koh Samui is Thailand's second-largest island, famous for its palm-fringed beaches, coconut groves and luxury resorts. From the famous Big Buddha temple to pristine white sand beaches like Chaweng and Lamai, this Gulf of Thailand gem offers the perfect blend of relaxation and adventure.
Famous for the Full Moon Party, Koh Phangan offers stunning beaches, wellness retreats, and a laid-back island atmosphere.
Thailand's premier diving destination, Koh Tao offers world-class dive sites, beautiful beaches, and a relaxed backpacker atmosphere.