Planning a trip to Nakhon Si Thammarat or considering making it your new home? Understanding its unique tropical climate is key to making the most of your time in this beautiful southern Thai province. Whether you’re eyeing properties in Sichon or just want to know the best time for a beach holiday, this guide will walk you through what to expect from the weather year-round.
Nakhon Si Thammarat’s position on the Gulf of Thailand gives it a distinct weather pattern compared to other parts of the country.
Sichon enjoys a long season of sunshine from January through September, with calm seas and excellent conditions for coastal living.
The green season from June to September remains sunny with light rainfall, bringing lush landscapes and a relaxed pace of life.
The monsoon arrives later in the year, typically from October to December, giving Sichon a climate rhythm that’s very different from the Andaman coast.
This guide breaks down the weather month by month, helping you plan everything from temple visits to scouting the real estate market in Sichon.
An Overview of the Seasons in Nakhon Si Thammarat
Best overall weather: January to September
• Predominantly sunny and dry
• Calm seas and excellent conditions for beach life, swimming, and boating
• One of Sichon’s biggest advantages over west-coast destinations
Hot season: March to May
• Warmer temperatures with higher humidity
• Largely sunny and dry
• Cooling sea breezes, especially in the afternoons
Green season: June to September
• Sunny with light rainfall
• Short, passing showers, often overnight or early morning
• Landscapes become lush and green, waterfalls flowing
• Seas are often still suitable for boating and dolphin tours
• A favourite period for residents and long-stay visitors
Monsoon season: October to December
• Sichon’s true monsoon period
• Heavier rainfall, particularly in October and November
• Cooler temperatures and more dramatic skies
Activities for Every Season of Nakhon Si Thammarat
December-February: This is the best time for almost any activity.
• Explore the stunning Wat Phra Mahathat Woramahawihan temple.
• Visit Kiriwong Village, considered the place with the purest air in Thailand.
• Relax on the beautiful beaches of Khanom and Sichon.
March-May: Focus on water-based or early-morning activities.
• Take a boat tour to see the rare pink dolphins in Khanom Bay.
• Visit the province’s many waterfalls, which are powerful from the early rains.
• Explore indoor attractions like the Nakhon Si Thammarat National Museum.
June-November: Enjoy the lush nature and fewer crowds.
• Take advantage of the drier spell in August for hiking and exploring caves.
• Enjoy peaceful visits to temples and markets between the rain showers.
• Capture dramatic photos of the moody, rain-soaked landscapes.
Planning Your Perfect Trip Nakhon Si Thammarat
Nakhon Si Thammarat has something to offer year-round, but the best time to visit depends on your preferences.
If you want sunny beach days and comfortable sightseeing, February is your best bet. The pleasant weather makes it the ideal time to explore the region, including the growing real estate market in Sichon.
For those who love lush landscapes and don’t mind some rain, the shoulder months of May, July, and August offer a great balance. You’ll find fewer tourists and a vibrant, green environment perfect for exploring waterfalls and rainforests.
While the peak wet season from October to December can be challenging, it rewards visitors with dramatic scenery and a truly local experience. Just be sure to pack your rain gear and maintain a flexible schedule. No matter when you choose to go, understanding the weather in Nakhon Si Thammarat will help you have a memorable and enjoyable stay.
