☀️ Yes! Average temperature: 30°C
Yes, absolutely! With temperatures averaging 30°C, it's hot and perfect for beach holidays. Koh Samui in March has an average air temperature of 30°C with sea temperatures around 28°C. You can expect 9 hours of sunshine per day and 40mm of rainfall, which means light rainfall — occasional brief showers.
At 28°C the sea is like a warm bath — perfect for swimming, snorkelling, and diving. With 9 hours of daily sunshine, there's plenty of time to enjoy outdoor activities. Pack light clothing, high-SPF sunscreen, a wide-brimmed hat, and swimwear. Stay hydrated.
Koh Samui is one of the top warm destinations for March holidays from the UK. The average flight time from the UK is comfortable and there are usually good deals available for this time of year.
Here's how Koh Samui stacks up against similar destinations in March:
| Destination | Air °C | Sea °C | Rain | Sun |
|---|---|---|---|---|
| Koh Samui | 30°C | 28°C | 40mm | 9h |
| Fiji | 30°C | 29°C | 270mm | 6h |
| Seychelles | 30°C | 29°C | 160mm | 7h |
| Sri Lanka | 30°C | 28°C | 60mm | 9h |
| Aruba | 29°C | 26°C | 10mm | 9h |
| Bora Bora | 29°C | 29°C | 210mm | 6h |
See how Koh Samui's temperature changes throughout the year:
Looking for somewhere warm in March? These destinations are all 25°C+:
Yes, Koh Samui in March has average temperatures of 30°C, making it a warm destination. Sea temperatures are 28°C.
Yes, the sea temperature of 28°C is very comfortable for swimming.
Pack light clothing, high-SPF sunscreen, a wide-brimmed hat, and swimwear. Stay hydrated.
March is an excellent time to visit Koh Samui with warm weather and 9 hours of daily sunshine.
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