Weather in Koh Samui in March

March in Koh Samui, Thailand offers warm and inviting weather, ideal for those seeking sun and relaxation. Days are accompanied by high temperatures and abundant sunshine, while occasional showers provide a refreshing contrast. Travellers can look forward to enjoying outdoor exploration and local seasonal highlights during this time.

March Climate Overview

• Average Temperature: 25°C – 32°C
• Rainfall: Approximately 80mm across the month
• Sunshine Hours: Around 8 hours per day
• Humidity: 76%
• Wind Speed: Light to moderate breezes at 12 km/h

What to Expect in March

Daytime Conditions

The days are typically hot with temperatures reaching up to 32°C. Expect ample sun exposure, but be prepared for high humidity levels which can make the heat feel more intense. It’s the perfect weather for sunbathing and exploring, ensuring sunscreen and hydration are priorities.

Rainfall Patterns

In March, rainfall is relatively low, with showers being infrequent and usually short-lived. This makes it an excellent time for outdoor activities, though it’s wise to carry a small umbrella for unexpected bursts of rain.

Evening Conditions

Nights in Koh Samui are cooler and more comfortable compared to the hot days. Temperatures usually dip to around 25°C, allowing for pleasant evening strolls and outdoor dining without the oppressive warmth of the sun.

Best Activities in Koh Samui in March

• Outdoor Activities: Perfect weather for hiking, exploring local markets, and enjoying wildlife in the natural reserves.
• Seasonal Highlights: March offers some unique local events and natural changes, with flourishing plant life adding colour to the island’s scenery.
• Water-based or Nature-based Activities: Conditions are favourable for snorkelling, diving, and other water sports, given the warm sea temperatures.

What to Pack for March

• Light, breathable clothing for daytime warmth
• A jacket or light sweater for cooler evenings
• Sun protection gear such as hats, sunscreen, and sunglasses
• An umbrella or raincoat for the occasional shower
• Comfortable footwear suitable for walking or hiking
• Reusable water bottle to stay hydrated