Koh Tao in November: Rainy-Season Weather, Diving and Travel Tips
Taking a look at the reality of visiting Koh Tao during rainy season. What else is there to do, will the ferry's still be running and what's the diving like?
Braden
11/13/20268 min read
Koh Tao in November offers a different experience from the island’s sunnier high season. November falls within the Koh Tao rainy season, so visitors should not plan on guaranteed sunshine or clear skies every day. Conditions can change quickly: rain may arrive as a brief shower, while some periods bring heavier or more persistent spells. Between showers, the island can still feel warm and inviting, and breaks in the clouds may leave time for beaches, boat trips and outdoor activities.
This does not mean a November visit is automatically a washout. Fewer visitors can make beaches and viewpoints feel quieter, and a flexible itinerary helps you make the most of favorable weather windows. Build in alternatives for wet days, allow extra time for transport, and check local conditions before committing to activities that depend on calm seas. If diving is a priority, keep plans adaptable: operators assess conditions day by day, and visibility and access may vary with weather and swell.
This guide sets out what to expect from the weather, diving, ferry travel and things to do, including a forecast snapshot for 14–20 November 2026. Forecasts can shift, particularly several days ahead, so use the snapshot as a planning aid rather than a guarantee. Recheck reliable updates close to departure and follow advice from ferry companies and local dive operators. A light waterproof layer, quick-drying clothing and a little flexibility can make travel more comfortable.
November falls within Koh Tao’s rainy-season period, so visitors should expect weather to be less predictable than in drier months. That does not mean rain will fall every day, and conditions can change between days or even over the course of one day. Cloud may gather, a shower may pass, or rain may last longer; warm, humid conditions can accompany any of these patterns. Koh Tao weather is therefore best treated as variable rather than something that can be predicted with certainty well in advance. Travellers who allow room for adjustments are better placed to enjoy the island without pressure.
Beach plans may need to shift if showers or cloud arrive, particularly when visitors have hoped for uninterrupted sun or clear views. Rain can make time outdoors less comfortable, while damp paths and wet belongings are worth considering when choosing what to carry. Boat trips and other sea-based activities may be affected by changing conditions, and operators may adjust schedules when necessary for safety or practicality. Do not assume that a planned excursion will run exactly as advertised, but avoid deciding that it cannot happen solely because November is rainy season. Check arrangements directly and keep alternatives in mind when planning.
A flexible itinerary can make travelling to Koh Tao easier in a month when outdoor conditions are changeable. Leave open time around beach visits, boat journeys, or diving plans, and consider indoor or sheltered options for periods of heavier rain. Pack lightweight rain protection, such as a waterproof jacket, and protect electronics and documents in a dry bag or pouch. Comfortable footwear that handles wet surfaces can be useful. Before departure, check forecasts close to your travel date, and monitor conditions. Forecasts can guide decisions, but they cannot guarantee when rain will begin or clear.
Weather Forecast
Saturday 14 November: Passing morning showers, then mostly cloudy. Temperatures are expected to range from 26–29°C.
Sunday 15 November: Possible morning thunderstorms, then cloudy and warm. The temperature range is 25–31°C.
Monday 16 November: Morning storms, with a possible afternoon shower. Temperatures are forecast at 26–31°C.
Tuesday 17 November: Partly sunny, with a lower rain chance. The temperature range is 26–32°C.
Wednesday 18 November: Possible morning rain, then mostly cloudy. Temperatures are expected to range from 25–30°C.
Thursday 19 November: Cloudy with periods of rain. The temperature range is 25–28°C.
Friday 20 November: Early showers, then brighter intervals. Temperatures are forecast at 25–28°C.
For travel planning, treat each daily entry as a guide rather than a fixed schedule. Rain timing and cloud cover may differ from the outlook, so check again close to your departure and before arranging plans around the forecast. If you are visiting Koh Tao during this week, keep the possibility of changing conditions in mind when deciding what to do each day. This snapshot describes only the listed outlook; it does not guarantee that conditions will match the forecast at a particular place or time.
November can still be a rewarding time to dive in Koh Tao, but it is best approached with flexibility. Rain may arrive in short, heavy spells or persist for longer, while wind and changing sea conditions can affect boat journeys, comfort and underwater visibility. These factors do not automatically rule out diving; instead, what is suitable can vary from one day to the next. Treat plans made before arrival as provisional rather than as a promise of particular conditions or sites.
Diving conditions are assessed locally, and operators may adjust schedules, destinations or activities when weather and sea state call for it. The choice of dive site depends on conditions at the time, so a location that is appropriate on one day may not be the best option on another. Departures, access to sites and underwater conditions cannot be guaranteed. Checking in with a dive centre before booking, and staying open to a change of plan, can help visitors make informed decisions and enjoy the experience more comfortably. Master Divers is one local option for discussing current conditions, suitable activities and how a flexible itinerary might work during a November visit.
The quieter-season atmosphere may also appeal to divers. With fewer visitors than in busier periods, some courses and trips may have smaller groups, creating more opportunity for one-to-one guidance, individual feedback and personalised instruction. Availability and group sizes vary, but it can be worth asking operators what they expect for your dates. Whale sharks are regularly sighted around Koh Tao, adding to the excitement of diving in the area; however, sightings are never guaranteed, in November or at any other time. Plan around the diving experience itself rather than a particular encounter, and consider wildlife sightings a welcome bonus. With realistic expectations and room to adapt, diving can remain a worthwhile part of a rainy-season stay.
Will my ferry be cancelled?
Ferries are the main way to reach Koh Tao, with services crossing the Gulf of Thailand from mainland piers and nearby islands. In November, rainy-season conditions can bring periods of heavy rain, stronger winds and rough seas. When conditions affect a route, operators may delay departures, adjust schedules or cancel a sailing for safety reasons. These possibilities are worth factoring into your plans, but they do not mean that a disruption is certain on any particular travel date.
Before travelling to Koh Tao, check the latest timetable and service notices directly with your ferry operator, rather than relying only on an older booking confirmation or third-party schedule. Confirm where and when to check in, and make sure the operator has a way to contact you if arrangements change. Conditions and decisions can vary between routes and operators, so seek updates for your specific sailing. For route options and departure points, see our guide on how to get to Koh Tao.
Allow extra time around your ferry journey, especially if you are connecting from a flight, bus or train. Avoid booking a tight onward connection that depends on arriving at a precise time; a delay at sea could make it difficult to reach an airport or another departure. If your plans are time-sensitive, consider spending a buffer night near the departure pier before travelling, or staying an extra night on Koh Tao before a flight home. Keep essential items and any medication in your hand luggage, and leave some flexibility in activities scheduled for arrival day. This is practical planning for variable weather, not a prediction that your ferry will be disrupted. With current operator information and a little extra room in your itinerary, you can respond more comfortably if plans need to change.
What else is there to do, when it's raining?
Rain in November does not have to bring your plans on Koh Tao to a complete stop. Showers can interrupt beach time or make outdoor activities less appealing, so keep your schedule flexible and choose options that suit the conditions. For visitors searching for things to do in Koh Tao on a wet day, indoor rock climbing can offer an active alternative to waiting for the skies to clear. Check current availability and practical details directly before setting out, as conditions and arrangements may change.
A quieter pause can be just as welcome. Spend some time the Postcard Café - 1% Coffee House KohTao, its a great spot to sit, sip a coffee and get artistic with some friends and design your own postcard to send back home! Alterntively, use a local café as a comfortable place to wait between showers, read, plan the next part of your trip, or simply take a break. Sunrise Specialty Coffee, Single Cup, and Blue Shark Café are favourites to consider. Treat these as possibilities rather than guaranteed stops: confirm that a venue is open and accessible before making the journey, especially when rain is heavy. If you visit Single Cup, try the Vietnamese salt coffee, a specific drink worth adding to your café plans.
It can help to group indoor plans near where you are staying and leave gaps for changing conditions. Carry rain protection, allow extra time for travel, and be prepared to adjust if a shower becomes prolonged. A climbing session, a relaxed café stop, or a simple pause indoors can make a rainy day feel less like lost holiday time. Choose what feels practical that day, and check directly with each venue before setting out.
Is it still worth visiting?
November in Koh Tao is best approached with realistic expectations. It falls within the island’s rainy season, so sunshine and calm seas are not assured, and showers or unsettled conditions can shape beach plans. At the same time, rain does not necessarily define every day. For travellers who can adjust their schedule, the island may still offer memorable diving, slower mornings and a more relaxed pace than busier periods.
Fewer visitors may mean quieter beaches and restaurants, while dive boats may have smaller groups. That can allow more personalised guidance, although group sizes and service depend on the operator and demand. Accommodation may also offer better value, but prices and availability vary, so compare options rather than assume a discount. These potential advantages make November appealing to divers and flexible travellers who enjoy an island atmosphere that feels less hurried.
If diving is a priority, check conditions locally and keep plans adaptable. Master Divers can help visitors plan a dive visit, but the day’s weather, sea state and professional assessment should guide decisions. Build flexibility into transfers and activities, and avoid scheduling a tight connection immediately after a ferry crossing. This approach leaves room to enjoy suitable conditions without treating any forecast as a guarantee. A little flexibility is especially useful when showers affect transport or visibility.
Is November rainy season in Koh Tao? Yes. November is part of the rainy season, but conditions vary.
Will it rain every day? No, we definitely still get sunny days & great beach weather! Wet season often means afternoon storms and downpours but it's not 24/7 rain
Can you dive in Koh Tao in November? Diving is still fantastic in wet season! Of course, check with us for current conditions and dive sites
Are whale sharks guaranteed? No. They are regularly sighted, but sightings are never guaranteed. We're at the tail end of the season, so chances are still higher than normal
Can ferries be disrupted? Yes. Heavy rain, wind and rough seas can cause delays, changes or cancellations; check with operators and leave time in your itinerary. Leave extra travel time, especially when traveling for flights!
