To travel around Koh Samui is not at all hard, transport here is quite many options distance and any budget that you have. This island has quite the same normal transport in Thailand except Tuk Tuk and public bus, normally tourist prefer to rent car or motor bike. From Bangkok it is an 11 hour bus ride. From Surat Thani minibus or songtaew transfer to the boat pier is required to get a ferry to Koh Samui, some of tour operators will provide transfers in a bus-boat package.
Average daytime maximum temperature at Ko Samui Island over the coming week will be around 34°C, with a high for the week of 36°C Less raining expect moonstone season, during the time traveler shouldn't take speed boat to go to the island.
There is many ways to explore around the city like taxi, private car taxi, mortor bike, van and shared minivan transfer. Pricing is depend on period of book, to book in advance will get better price.
Estimation : 12 hours
From Bangkok has this service providing, cost start from 250 THB until 600 THB. We suggest you to take VIP or 600 THB ticker because they have nice toilet. Both of the package have bus stop breaking for passenger to eat (if VIP food is including) From Bangkok to Surat Tani by private car is about 7 hours but for bus is about 12 hours.
Estimation : 2 hours
To go to Samui by plan is very easy. You can flight directly to Samui by Bangkok Airway, about 19 flight perday and Thai Airway, about 2 flights a day or you can flight to Surat Tani airport. There have suttle bus and van provide to go to port and take ferry or speed boat to go to Samui
Estimation : 12 Hours
Getting to Koh Samui by train from Bangkok involves taking a train at Bangkok’s Hualamphong station. Timing is about 8.5 hours and 12 hours depending on the train. Then you have to take Don Sak ferry terminal and then the 1.5 hour trip over to Samui. The bus and ferry take about 4 hours in total. If you want to go by train, you have to book in advance about 5 days, for high season have to book earlier.
Koh Samui's has only two months of rain. The heaviest precipitation is typically seen in the months of October and November. For the rest of the year are a good time to travel.
Songthaew Or Mini Bus
Around the island
Fare : From THB 60
Around the island
Fare : From THB 50 - 600
Fare : From THB 200