Last updated: August 27, 2025
In March, Koh Tao, Thailand experiences a mild tropical climate, characterized by average temperatures around 28°C (82°F). With a maximum of 30°C (86°F) and a minimum dipping to 25°C (78°F), the weather is pleasantly warm for outdoor adventures. However, visitors should be prepared for occasional rain, as the island sees about 33 mm (1.3 in) of precipitation over roughly 6 days this month. Coupled with a humidity level of 68%, March offers a perfect blend of warmth and refreshing island breezes, making it an ideal time for exploration and relaxation.
In March, Koh Tao, Thailand, welcomes warm and inviting temperatures, with a minimum of 25°C (78°F) rising to a comfortable average of 28°C (82°F) and a max that peaks at 30°C (86°F). This gradual increase from the earlier months sets the stage for a delightful spring, as temperatures remain consistently pleasant. Compared to February, where highs reached 29°C (85°F), March offers just a notch warmer; its inviting warmth is ideal for beachgoers and adventure seekers alike. With the island’s enchanting atmosphere and idyllic weather, March is undoubtedly a perfect time to explore Koh Tao’s stunning landscapes and vibrant marine life.
In March, Koh Tao experiences a brief reprieve from the heavy rainfall that characterizes the surrounding months, with only 33 mm (1.3 in) of precipitation falling over about 6 days. This marks a slight decrease compared to February's meager 37 mm, indicating a transition towards the wetter season that begins in April. As the island awakens with the arrival of warmer weather, visitors can enjoy clearer skies perfect for exploring its stunning beaches and vibrant underwater life. March's relatively low rainfall sets the stage for the upcoming months, where precipitation begins to intensify, leading into the rainy season that peaks later in the year.
March in Koh Tao, Thailand, sees humidity levels stabilize at 68%, mirroring the dry, pleasant conditions of February. This period serves as a gentle transition into the island's wet season, where humidity begins to gradually rise. As the months progress, there's a noticeable increase, peaking in the summer when humidity levels soar to around 86-88% from June through August. This trend indicates the shift from the relatively dry early months of the year to the more humid and tropical atmosphere that characterizes Koh Tao's rainy season. Travelers seeking to enjoy the island's beauty may find March's humidity particularly inviting, setting the stage for lush landscapes to come.
In March, Koh Tao, Thailand, experiences one of its most intense UV Index ratings, peaking at 15, categorizing the exposure as extreme with a burn time of just 10 minutes. This upward trend from January's 11 and February's 14 highlights the increasing intensity of the sun as the dry season progresses. Notably, April matches March's index, maintaining this high level of caution, while subsequent months see a slight dip to 14. Visitors to Koh Tao should be vigilant during this time, ensuring they take necessary precautions against the sun's powerful rays. For detailed UV index insights, check out Koh Tao UV Index.
UV Risk Categories
March in Koh Tao, Thailand, shines as a beacon of sunshine, boasting an impressive 345 hours of sunlight—the highest of the year. Following the steady climb from 251 hours in January and 307 hours in February, the month welcomes longer, brighter days that beckon sun-seekers to the island's pristine beaches. As spring unfolds, March not only marks a peak in brightness but also sets a vibrant tone for the months ahead, where sunlight remains generous, averaging around 317 to 328 hours in April and May. This trend of abundant sunshine makes Koh Tao a sought-after destination for those looking to soak up rays and embrace the tropical allure of Thailand.
In March, Koh Tao experiences a 53% chance of sunny weather, making it a favorable time for travelers seeking sunshine. This is a noticeable shift from the previous months, with February offering the highest likelihood of sun at 60%. While April sees a drop to 29%, March still provides a solid window for outdoor activities and explorations. The trend suggests that as the year progresses, the chance of sunny days dips significantly, with June and beyond plunging to as low as 16%. Therefore, March stands out as one of the last months of the dry season, offering a great opportunity to soak in the sun before the rainier months approach.
As March unfolds in Koh Tao, Thailand, the island basks in 12 hours of daylight, marking a subtle shift from the consistent 11 hours seen in the first two months of the year. This increase signals the arrival of longer days, hinting at the vibrant energy that characterizes the transition into the warmer months. Following March, April and May will maintain this daylight duration, creating an ideal backdrop for outdoor adventures and relaxation on the stunning beaches. While daylight remains steady at 12 hours through the summer, it gradually tapers back to 11 hours in October, reminding us of the cyclical nature of time and light in this tropical paradise.
As winter gives way to spring, March in Koh Tao experiences a gentle transition in wind patterns, with an average wind speed of 4.3 m/s (10 mph). This slight dip from February's breezy 4.7 m/s (10 mph) heralds the start of a more tranquil season, setting the stage for serene beach days and leisurely watersports. The calm continues into April, where the winds further moderate to 3.7 m/s (8 mph), creating perfect conditions for underwater exploration and sun-drenched relaxation. Travelers can enjoy the island's stunning vistas under a light breeze that enhances the enchanting atmosphere, making March an ideal time to savor the delights of Koh Tao before the summer winds pick up in the months ahead.
Weather in Koh Tao varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Koh Tao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, March generally experiences slightly warmer temperatures, with an average of 28°C (82°F) compared to January's 27°C (81°F). Additionally, March has less precipitation, receiving only 33 mm (1.3 in) over about 6 rainy days, while January sees significantly higher rainfall at 148 mm (5.8 in) across 10 days. Humidity levels are also marginally lower in March at 68%, compared to January's 72%. Overall, March tends to offer drier and warmer conditions than January. For more details, you can check Koh Tao weather in January.
In comparing the weather of March and February, both months exhibit warm conditions, but March tends to be slightly warmer overall. In March, the minimum temperature hovers at 25°C (78°F) with an average of 28°C (82°F) and a maximum of 30°C (86°F). This is a slight increase from February’s minimum of 25°C (77°F) and average of 27°C (81°F), with a maximum of 29°C (85°F). Additionally, March experiences a bit less precipitation, totaling 33 mm (1.3 in) over 6 days, compared to February’s 37 mm (1.5 in) over 7 days. Humidity remains consistent at 68% for both months. For more detailed information on February weather, you can check Koh Tao weather in February.
In comparing the weather between March and April, both months maintain a consistent warm temperature, with March registering a minimum of 25°C (78°F) and an average of 28°C (82°F), while April slightly increases to an average of 28°C (83°F) and a maximum of 31°C (88°F). However, April experiences significantly more precipitation, totaling 133 mm (5.3 in) over 16 days, compared to March's 33 mm (1.3 in) over just 6 days. Humidity also remains quite similar, with March at 68% and April at 69%. For more detailed insights, check out Koh Tao weather in April.
In March, the weather on Koh Tao is pleasantly warm with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), and relatively low precipitation of 33 mm (1.3 in) over approximately 6 days. Humidity is moderate at 68%, making the month enjoyable for outdoor activities. In contrast, May sees slightly higher temperatures, with averages from 26°C (79°F) to 31°C (89°F), but it also brings significantly more rainfall, totaling 153 mm (6.0 in) over 22 days, leading to a more humid environment at 77%. This increase in precipitation in May may impact outdoor plans. For more details, you can check Koh Tao weather in May.
In March, the weather is characterized by warm temperatures with a minimum of 25°C (78°F) and a maximum of 30°C (86°F). The average temperature hovers around 28°C (82°F), accompanied by a manageable humidity level of 68% and relatively low precipitation at 33 mm (1.3 in) over about 6 days. In contrast, June sees slightly higher temperatures, with minimums at 26°C (79°F) and maximums reaching up to 31°C (89°F). However, it also brings significantly more rainfall, totaling 137 mm (5.4 in) over 19 days, and higher humidity at 86%. For more detailed information on June's climatic conditions, you can find insights at Koh Tao weather in June.
March presents a warm and pleasant climate with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F). The month experiences relatively low rainfall, with only 33 mm (1.3 in) over about six days and a humidity level of 68%.
In contrast, July is slightly warmer, with average temperatures from a minimum of 26°C (79°F) to a maximum of 31°C (88°F). However, it also sees significantly more precipitation, totaling 113 mm (4.4 in) across 19 days, and higher humidity levels at 86%. This makes July a much wetter month compared to March. For more detailed insights, you can refer to Koh Tao weather in July.
In March, the weather on Koh Tao is pleasantly warm, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F) and an average of 28°C (82°F). The month sees moderate precipitation totaling 33 mm (1.3 in) spread across about 6 days, with humidity levels at a comfortable 68%. In contrast, August experiences slightly higher minimum temperatures of 26°C (79°F) and peaks at 31°C (88°F), averaging 28°C (83°F). However, August is considerably wetter, with precipitation reaching 133 mm (5.2 in) over 21 days and humidity climbing to 88%. This stark difference in precipitation and humidity highlights the shift to a more tropical climate in August. For more details, check out Koh Tao weather in August.
In comparing March and September weather, both months share similar average temperatures, with daytime highs reaching around 30°C (86°F) and nighttime lows at 25-26°C (78°F). However, September contrasts sharply with March in terms of precipitation, receiving significantly more rain at 192 mm (7.6 in) over 22 days, compared to March's 33 mm (1.3 in) across just 6 days. This increase in rainfall also contributes to higher humidity levels in September, reaching 87% compared to March's 68%. For more detailed insights into September's weather, you can visit Koh Tao weather in September.
In comparing the weather between March and October, both months maintain a warm temperature range, with March averaging slightly warmer at 28°C (82°F) compared to October's 27°C (81°F). However, October experiences significantly higher precipitation, with 242 mm (9.5 in) of rainfall over 27 days, contrasted with March's 33 mm (1.3 in) over just 6 days. Additionally, humidity levels soar in October, reaching an average of 86%, compared to March's 68%, making October feel considerably more humid. For a deeper insight into the specifics of October weather, you can explore Koh Tao weather in October.
In March, the weather generally features warm temperatures with a minimum of 25°C (78°F) and a maximum reaching 30°C (86°F), while the average hovers around 28°C (82°F). Precipitation is relatively low, with 33 mm (1.3 in) expected over approximately six days, and humidity levels at 68%. In contrast, November experiences slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), but it is considerably wetter, receiving about 281 mm (11.0 in) of rainfall over 22 days. The humidity also increases to 87%, creating a more tropical atmosphere. For more detailed insights, check out Koh Tao weather in November.
March and December exhibit notable differences in weather patterns. While March enjoys warmer temperatures with a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum of 30°C (86°F), December sees slightly cooler temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F). Precipitation also varies significantly between the two months; March receives less rainfall at 33 mm (1.3 in) over 6 days, whereas December experiences much higher precipitation, totaling 191 mm (7.5 in) over 14 days. Humidity levels are also higher in December at 83% compared to 68% in March. For more detailed insights on the weather conditions in December, check out Koh Tao weather in December.
As March settles in, Koh Tao's weather begins to showcase its tropical charm, with pleasantly warm temperatures averaging around 28°C. Compared to the cooler months, this time of year sees a clear leap into warmth, while the humidity at 68% adds a touch of humidity that's typical for the island. March typically experiences less rainfall than the upcoming wet months, with only about 33 mm of precipitation spread over six days. This makes it a wonderful time for visitors to indulge in outdoor activities and explore the stunning underwater scenery. For a deeper understanding of how March fits into the overall weather patterns, explore the Koh Tao Climate page.