December, according to us, is the best time to visit Koh Samui for a stunning vacation. You will get a lot of thrill and fun to enjoy here during December. December is a good and the best time to be in Koh Samui due to its vibrant and suitable weather conditions. This time brings a lot of wonderful global festivals like Christmas and New Year. The environment gets truly fresh and amazing during Christmas and New Year celebrations. The climate and atmosphere is suitable for most of the beach based activities. The weather is sunny with a lot of charm over the beaches. The month of December also comes with a winter vibe.

The destination offers a lot of fun during December. You will get to know about the humidity, wind pace, rainfall and temperature of Koh Samui during December in this blog. Don’t miss why December is the best time to be in Koh Samui during December. Also don’t overlook the tips that we will share to have a pretty cool time at Koh Samui during the month of December.

Overview of December Weather in Koh Samui

Average temperature: The day period mercury level at Koh Samui during the month of December is about 29°C. The night time temperatures regularly stay about 25°C or 77°F. The temperature during the sunny hours is more than that after the sun sets. You should plan your outdoor exploration according to your preferences.

Rainfall levels: December is actually not the monsoon month of Koh Samui but there are possibilities of rains in between. The region of Koh Samui receives some amount of rain in December. December brings an aggregate of about 150 mm of rainfall to Koh Samui. You should consider the dry weather of Koh Samui for your trip.

Humidity and wind conditions: Though December is the winter period at Koh Samui the region even gets highly humid during this time. The mean humidity of Koh Samui during December is between 80 to 85%. The blowing pace of wind during December is about 8 kilometres per hour.

Comparison to other months: December is actually the best month to be on this island. The region gets the best weather during December as compared to other months of the peak season like January, February or March. The humidity is higher than some other months but the thrill is greater too. You may not experience any rains in December which you will experience in November.

Is December a Good Time to Visit Koh Samui?

Yes, this can be among the best months and times to enjoy the thrill of Koh Samui. This month is also the peak time to have a nice vacation at Koh Samui. The month of December allows you to be on some of the best watersports and outdoor activities. This month is a dry period to enjoy this region with no or minimal amount of wet climate. This is a period when the rainy season transits to the dry and cool season in Koh Samui. This month is perfect to have some outdoor fun at this destination. The temperatures revolve around 25°C and 30°C during December. The weather is even found attractive with a lot of sun and breeze to experience here.

You can go snorkeling, swimming, sunbathing, boating, kayaking and have a lot to do here during December. However due to peak season effects you may find getting cheaper deals a bit difficult. Though December is a dry time in Koh Samui you can still expect rains here during this time.

Best Activities to Enjoy in December in Koh Samui

Here are those things or activities that you should surely do when in Koh Samui during December :

Adventuring with Snorkeling and Diving

December has some of the best and clear waters in Koh Samui. This is the real time when you can get on some amazing watersports like scuba diving, boating or swimming. You can even enjoy kayaking around the clear waters of Koh Nang Yuan and Koh Tao.

Getting on Boat Trips

Don’t forget to go about by boat trip to the famous Ang Thong National Marine Park. This is a wonderful place offering a stunning view into the scenic beauty of Thailand.

Visiting Koh Samui’s Beaches

Relaxing over the pristine beaches of Koh Samui is an incredible thing to do. You just cannot miss visiting the beaches of this landmark during the month of December. Picture perfect beaches like Lamai, Chaweng or Choeng Mon display the glory of Koh Samui.

Uncovering Waterfalls

Exploring the island’s inner region cannot be kept away from your itinerary during December. The famous Na Muang Waterfalls and Hin Lad Waterfalls are must visit alternatives.

Discovering Local Markets

The markets of Koh Samui are highly attractive with a wonderful atmosphere to feel. There can be a range of products to select from like handicrafts, seasonal fruits and local goods.

Events & Festivals in December in Koh Samui

Here are those festive events not to miss at Koh Samui during December : 

Christmas Celebrations

Visiting Koh Samui in the month of December and missing Christmas celebration is not a good match. You can experience the thrill and fun of the birth remembrance of the Messiah of the entire planet here. There are beach barbecues, festival ceremonies and a vibrant atmosphere at Koh Samui during December. 

Outdoor Activities

December is a great period to discover the beautiful national parks, magnificent waterfalls and pristine beaches of Koh Samui.

New Year’s Eve Celebrations

The celebration of the remembrance of the name giving ceremony of Lord Jesus Christ or New Year is also a nice event to enjoy in Koh Samui. 

Travel Tips for December in Koh Samui

Here are the tips for you to enjoy a good time in Koh Samui during December : 

• You should always choose to book your December trip to Koh Samui well before the month. This is mainly because this is the peak time of visiting Koh Samui. You may find it extremely difficult to get the deals within your budget.
• The daytime temperatures can be warmer to about 28°C. This can make day time activities a bit less enjoyable. So early morning or late evenings can be suitable for exploration rounds. 
• This is the month when you will find a lot of sunshine and only some rain on the island. However the environment and its vibrance surpasses the unfavourable weather conditions. The quieter sea conditions during December are highly ideal and favourable for most of the water related activities.
• Don’t forget to keep swimwears, sunscreen, lightweight clothes and hat with you to enjoy a stunning vacation. Exploring beaches of Koh Samui is truly enjoyable at Koh Samui during the month of December. Be ready to face some sunny hours over the pristine beaches of the region. 
• Take the royal feel of the Koh Samui’s festive season during December. This is the time to celebrate the birth of Christ the savior of the world and take part in the amazing events. 
• If possible don’t carry expensive things or valuables with you to crowded places. There are chances of thefts and pickpocketing at such places in Koh Samui during December. Also be ready to pay more for some accommodation or sightseeing services. 

Conclusion on Koh Samui Weather in December

December is actually the favourite time of visiting Koh Samui for Thai travellers. You should go through the blog to know in detail regarding the weather conditions and prominent things to do at Koh Samui during December. This is the time to get in on some wonderful ceremonies and events to enjoy in Koh Samui.

FAQs on Koh Samui Weather in December