Last updated: August 27, 2025
Koh Tao in August offers a warm and tropical atmosphere, with average temperatures hovering around 28°C (83°F). Daily highs can reach up to 31°C (88°F), while the nights remain comfortably mild, dipping to about 26°C (79°F). However, the island experiences a significant amount of rain, with precipitation accumulating to 133 mm (5.2 in) over approximately 21 days. This period of higher humidity, averaging 88%, adds to the lush beauty of the landscape, making Koh Tao a vibrant, albeit wet, getaway for travelers seeking adventure amidst cloud-shrouded skies and refreshing tropical showers.
In August, Koh Tao, Thailand, enjoys a tropical climate characterized by warm temperatures that provide an ideal setting for beach lovers and adventure seekers alike. With a minimum of 26°C (79°F) and an average temperature hovering around 28°C (83°F), the island welcomes visitors to bask in its lush landscapes and azure waters. The maximum highs reach up to 31°C (88°F), similar to the warmer months preceding it, reflecting a summer-like warmth that prevails throughout the season. While the temperatures remain consistent, those planning to explore the island in this month should also prepare for occasional rain as August marks the tail end of the wet season, adding a refreshing twist to the tropical experience. Overall, the allure of Koh Tao’s warm August weather, paired with its stunning scenery, makes it a captivating destination.
In August, Koh Tao experiences a substantial precipitation of 133 mm (5.2 in), continuing the island's trend of wet weather typical for this time of year. With rainfall spread across 21 days, it’s clear that August contributes to the monsoon influence that begins in earnest during the summer months. This wet spell follows July, which saw 113 mm (4.4 in) over 19 days, hinting at an upward trend as the rainy season deepens. In comparison, the preceding months—such as April's 133 mm and May's notably higher 153 mm—demonstrate a gradual buildup of moisture leading into the peak rainfall months of September and October. Travelers during this time should be prepared for frequent rain showers, which add a lush vibrancy to the island’s stunning landscapes.
In August, Koh Tao, Thailand, experiences its highest humidity level of the year at a notable 88%. This peak comes on the heels of a gradual increase that begins in May, where humidity rises to 77%. The combination of soaring humidity levels in June and July, both at 86%, sets the stage for a particularly muggy August. Following this trend, humidity remains high in September and October, hovering around 87% and 86%, respectively. This consistent pattern of elevated humidity throughout the summer months emphasizes Koh Tao's tropical climate, making it a vibrant but steamy destination during these peak months.
In Koh Tao, Thailand, the UV Index in August sustains its noteworthy intensity at 14, categorized as extreme, which means that the risk of harm from unprotected sun exposure is very high. This trend continues from previous months, as the Island experiences a consistent pattern of elevated UV levels throughout the year, particularly from January to May, where values peak at 15. With an unchanging burn time of just 10 minutes, it's crucial for visitors and residents alike to take proactive sun safety measures. As the sunny days persist into August, embracing precautions such as wearing protective clothing, applying sunscreen, and seeking shade becomes essential to enjoy the beautiful outdoor scenery of Koh Tao safely. For more information, check out the detailed Koh Tao UV Index.
UV Risk Categories
August in Koh Tao, Thailand, offers a delightful 296 hours of sunshine, making it a splendid time to soak up the sun. While slightly less than the peak months of March and May, which boast 345 and 328 hours respectively, August still provides ample opportunities for beach lovers and adventurers alike. As the rainy season approaches, this month continues the trend of consistent sunlight seen throughout the summer, with only a subtle dip from the previous month’s 310 hours. The warm rays of August beckon visitors to enjoy the vibrant underwater world and lush landscapes, ensuring an unforgettable experience amid the ever-present Thai charm.
When considering a trip to Koh Tao, Thailand, in August, it's important to note the markedly low likelihood of sunny weather. With only an 8% chance of sunshine, August stands out as one of the least favorable months for sun-seekers. This trend follows a gradual decline in sunny days from the lively heights of February's 60% down to a damp July with just 16%. As the wet season settles in, travelers can expect a mix of clouds and rain rather than the bright, tropical sun characteristic of earlier months. If sunbathing is on your agenda, you might want to plan around the sunnier months, such as January or February, to catch Koh Tao at its sunniest.
In August, Koh Tao basks in a generous 12 hours of daylight, consistent with the lush, sun-drenched months that precede it. This trend shows a remarkable stability in daylight hours from March through September, where the island enjoys a perfect blend of sunshine ideal for diving, snorkeling, and soaking up the vibrant tropical atmosphere. As the year transitions into October, daylight begins to dwindle to 11 hours, signaling a gradual shift towards the shorter days of the late year. Overall, August serves as a peak in this sustained daylight pattern, inviting visitors to revel in the enchanting beauty of Koh Tao's beaches and clear waters.
In August, the winds in Koh Tao, Thailand maintain a gentle pace, averaging 5.3 m/s (12 mph). This breezy month sits comfortably between the more vigorous currents of July and the easing winds of September. As summer unfolds, wind speeds here show a subtle yet noticeable consistency; Koh Tao experiences a peak in July with a robust 5.9 m/s, which then gracefully tapers off following August. This pattern indicates a delightful transition from the high-energy winds characteristic of mid-summer to the more mellow breezes of the early autumn. Such conditions create the perfect backdrop for water sports enthusiasts and those seeking a relaxing escape, with August’s winds promising both adventure and serenity alike.
Weather in Koh Tao varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Koh Tao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, August typically experiences warmer conditions with an average temperature of 28°C (83°F) and high humidity levels at 88%. This month also sees more rainfall, totaling 133 mm (5.2 in) over 21 days, making it one of the rainier months. In contrast, January offers slightly cooler temperatures, with an average of 27°C (81°F), and significantly lower humidity at 72%. Although January receives more total precipitation at 148 mm (5.8 in), it is spread over only 10 days, resulting in less frequent rain. For more specific details on January weather, you can check Koh Tao weather in January.
When comparing the weather in August and February, it is clear that August tends to be warmer and more humid. In August, temperatures range from a minimum of 26°C (79°F) to a maximum of 31°C (88°F), with an average of 28°C (83°F) and high humidity levels at 88%. Additionally, August experiences more precipitation, with 133 mm (5.2 in) falling over 21 days. In contrast, February is slightly cooler, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F) and an average of 27°C (81°F). The month sees significantly less rainfall, totaling 37 mm (1.5 in) over just 7 days and lower humidity at 68%. For more details, you can check Koh Tao weather in February.
In August, the weather is characterized by higher temperatures and humidity, with minimums around 26°C (79°F) and maximums reaching up to 31°C (88°F). This month sees considerable precipitation, averaging 133 mm (5.2 in) over 21 days, resulting in a humid environment with levels around 88%. In contrast, March offers slightly cooler temperatures, with minimums at 25°C (78°F) and maximums of 30°C (86°F). Rainfall in March is significantly lower, averaging 33 mm (1.3 in) across just 6 days, and humidity levels are more comfortable at 68%. For a more detailed overview of the weather in March, you can check Koh Tao weather in March.
When comparing the weather in August and April, both months exhibit similar average temperatures, with minimums around 25-26°C (78-79°F) and maximums peaking at 31°C (88°F). However, April tends to be less humid at 69%, while August experiences a higher humidity level of 88%. Precipitation levels are comparable as well, with both months averaging around 133 mm, although August sees rainfall on more days (21) compared to April's 16 days. For more detailed insights, you can check Koh Tao weather in April.
In comparing the weather of August and May, both months share similar temperatures, with minimums around 26°C (79°F), and maximums reaching up to 31°C (88°F in August and 89°F in May). However, May tends to be slightly warmer on average at 29°C (84°F), compared to August's average of 28°C (83°F). Precipitation levels are higher in May, totaling 153 mm (6.0 in) over 22 days, versus August's 133 mm (5.2 in) over 21 days. Additionally, humidity is noticeably higher in August at 88%, compared to May's 77%. For a more detailed look at May weather, check out Koh Tao weather in May.
When comparing the weather in June and August, we see that both months exhibit similar temperature ranges, with minimum temperatures around 26°C (79°F), average temperatures of 28°C (83°F), and maximum temperatures reaching up to 31°C (88°F in August and 89°F in June). However, August tends to be slightly wetter, experiencing 133 mm (5.2 in) of precipitation over 21 days, compared to June's 137 mm (5.4 in) over 19 days. Humidity levels are also a bit higher in August at 88%, compared to 86% in June, making August feel a touch more humid. For a detailed look at June's weather patterns, check out Koh Tao weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with minimums around 26°C (79°F), averages at 28°C (83°F), and maximums reaching 31°C (88°F). However, August is slightly wetter, with total precipitation measuring 133 mm (5.2 in) over 21 days, compared to July's 113 mm (4.4 in) over 19 days. Additionally, August brings a marginally higher humidity level at 88%, compared to 86% in July. For more detailed insights, check out Koh Tao weather in July.
In August, the weather features a minimum temperature of 26°C (79°F) and an average temperature of 28°C (83°F), with a maximum reaching 31°C (88°F). The month sees significant precipitation, averaging 133 mm (5.2 in) over 21 days, coupled with high humidity at 88%.
In comparison, September maintains a similar minimum temperature of 26°C (78°F) and an average of 28°C (82°F), but slightly decreases the maximum to 30°C (86°F). Rainfall increases to 192 mm (7.6 in) spread across 22 days, with humidity remaining high at 87%.
Overall, while both months experience warm temperatures, September tends to be wetter than August. For a detailed look at September's climate, you can check Koh Tao weather in September.
In August, temperatures typically range from a minimum of 26°C (79°F) to a maximum of 31°C (88°F), with an average temperature of 28°C (83°F). The month sees significant rainfall, with 133 mm (5.2 in) of precipitation spread over 21 days and a high humidity level of 88%.
In contrast, October experiences slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (86°F), averaging 27°C (82°F). However, it is notably wetter, receiving 242 mm (9.5 in) of rainfall over 27 days, while humidity remains relatively high at 86%. For more detailed information, you can check out Koh Tao weather in October.
In August, temperatures in Koh Tao typically range from a minimum of 26°C (79°F) to a maximum of 31°C (88°F), with an average temperature of 28°C (83°F). The month experiences about 133 mm (5.2 in) of precipitation spread over 21 days, accompanied by high humidity levels at 88%. In contrast, November sees slightly cooler temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (85°F). However, November is marked by significantly higher rainfall, totaling 281 mm (11.0 in) over 22 days, while humidity remains comparable at 87%. For further details, check out Koh Tao weather in November.
In August, the weather features a warm average temperature of 28°C (83°F), with highs reaching up to 31°C (88°F) and a notably high humidity level of 88%. Precipitation is substantial, with 133 mm (5.2 in) spread over 21 days, making it one of the wetter months of the year.
In contrast, December experiences slightly cooler temperatures, with an average of 27°C (81°F) and maximums of 29°C (85°F). Although it is drier than August, December still sees significant rainfall of 191 mm (7.5 in) over 14 days, and the humidity level is a bit lower at 83%. For a more detailed look at December weather, check this link: Koh Tao weather in December.
August in Koh Tao offers a blend of warmth and humidity, with temperatures that hover around the comfortable average of 28°C (83°F). Compared to the more arid months, this time sees increased precipitation, with rain gracing the island on nearly three-quarters of the days. The heightened humidity at 88% can make the air feel a tad heavier, inviting a refreshing dip in the ocean after the occasional downpour. While August may not be the driest month, its lush landscapes and vibrant atmosphere make it a unique time to experience the island's charm. For those interested in a comprehensive overview of seasonal changes, check out the detailed insights at Koh Tao Climate.