Last updated: August 27, 2025
In October, Koh Tao, Thailand, experiences a delightful tropical climate characterized by warm temperatures averaging around 27°C (82°F), with highs peaking at 30°C (86°F) and lows reaching 25°C (77°F). This month marks a significant increase in precipitation, with an impressive 242 mm (9.5 in) of rainfall across approximately 27 days, contributing to the island's lush landscape. Humidity levels soar to about 86%, creating a vibrant, yet steamy atmosphere. Adventure seekers and nature lovers will find the island's beauty accentuated by these conditions, perfect for exploring the rich underwater life and stunning beaches Koh Tao is famous for.
In October, Koh Tao experiences a gentle transition in temperatures, making it a delightful time to visit. The minimum temperature averages around 25°C (77°F), while the average temperature settles at a comfortable 27°C (82°F). Daytime highs reach about 30°C (86°F), providing plenty of warmth for sun-seekers and beach enthusiasts. Compared to previous months, October offers a slight dip in the minimum temperatures, signaling the gradual shift toward the cooler months ahead. With its consistent warmth and refreshing sea breezes, this month is perfect for snorkeling, diving, and exploring the picturesque landscapes that Koh Tao is renowned for.
In October, Koh Tao experiences a notable increase in precipitation, with an average of 242 mm (9.5 in) of rainfall, marking it as one of the wettest months of the year. Rainfall is spread over approximately 27 days, creating a soft, rhythmic ambiance that contrasts sharply with the drier months preceding it. This spike in moisture is indicative of the monsoon season, which reaches its peak during this time, leading to lush landscapes and vibrant marine life. Travelers might find the island's dramatic skies and refreshed scenery enchanting, despite the frequent showers. As November approaches, rainfall continues to prevail, with 281 mm (11.0 in) anticipated, hinting that the wet season will persist a bit longer before retreating into the drier winter months.
As October rolls in, Koh Tao experiences a notable humidity level of 86%, mirroring the sultry conditions of the preceding summer months. The trend reveals a steady rise from January’s 72% to June’s peak of 86%, indicating the onset of the wet season that continues into the fall. Following September's slightly elevated humidity, October remains consistent with this high level, creating a warm, tropical atmosphere perfect for diving and adventure. Although there’s a slight dip anticipated in November at 87%, the overall pattern underscores Koh Tao's characteristic lushness and vibrant marine life during this humid period.
As October unfolds in Koh Tao, Thailand, the UV Index stands at 13, categorizing the exposure as extreme with a quick burn time of just 10 minutes. This month continues the trend observed throughout the year, where the UV Index consistently peaks in the extreme zone from January through September, with values reaching as high as 15 in March and April. With October's slightly lower index, it's a reminder that sun safety remains crucial, as protection is vital for anyone spending time outdoors. As you navigate the sun-soaked tropical paradise, be sure to stay informed about current conditions by checking the Koh Tao UV Index.
UV Risk Categories
October in Koh Tao, Thailand, brings an inviting blend of sunshine and vibrant activity, with an impressive 286 hours of sunshine recorded. This month, while slightly lower than the peak of 345 hours in March, shows a delightful consistency as it follows a trend of gradual decrease from the summer months. With the rainy season retreating, October offers plenty of bright days for exploration and relaxation, making it a perfect time to bask in the island's natural beauty. As the year progresses, the drop in sunshine hours from the more luminous mid-year peaks signals an inviting transition into the cooler months, setting the stage for a lovely end to the year in this tropical paradise.
In October, Koh Tao experiences a notably low chance of sunny weather, with just 10% likelihood of clear skies, making it one of the cloudiest months of the year. This statistic follows a sharp decline in sunny days from the more favorable conditions earlier in the year, particularly in February and March when the sunshine chances were around 60% and 53% respectively. As the monsoon season progresses, the trend toward overcast skies becomes apparent, reflecting a significant drop from the vibrant sunlight seen in the preceding months. Travelers seeking sunnier days may want to consider other times of the year, as the prospect of soaking up the sun in October is quite limited.
In Koh Tao, Thailand, the daylight duration exhibits a gentle rhythm throughout the year, with October bringing 11 hours of light each day. Following a stretch of 12 hours in the summer months, from March through September, the days begin to shorten as the year progresses. After enjoying this ample daylight during the peak of the rainy season, October's slight reduction signals the approach of the cooler months. As the sunset shifts earlier, the consistent 11-hour pattern resumes in November and December, creating a gradual transition back to the shorter days of winter. This cyclical change not only enhances the island’s charm but also invites visitors to embrace the stunning sunsets that Koh Tao has to offer as the year winds down.
As October arrives in Koh Tao, the island experiences a refreshing average wind speed of 5.2 m/s (12 mph), which is quite consistent with the gentle breezes seen throughout the preceding months. After slightly lower winds during April and May, where they dipped to around 3.7 m/s (8 mph), the winds in Koh Tao gradually picked up, peaking in July at 5.9 m/s (13 mph). This month offers a pleasant balance of strength as the calmness from the previous summer begins to transition into a more invigorating atmosphere, setting the stage for lively activities and a rejuvenating escape. With the wind picking up again slightly by November, it invites both adventure seekers and relaxation enthusiasts to enjoy the splendid beauty of this tropical paradise.
Weather in Koh Tao varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Koh Tao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather is characterized by warm temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average temperature of 27°C (82°F). However, this month also sees significant rainfall, with 242 mm (9.5 in) of precipitation spread over 27 days, contributing to a high humidity level of 86%. In contrast, January offers slightly cooler conditions, with temperatures ranging from 24°C (76°F) to a maximum of 28°C (84°F) and an average of 27°C (81°F). Rainfall is considerably less in January, totaling 148 mm (5.8 in) over just 10 days, resulting in a lower humidity level of 72%. For detailed insights on January weather, you can explore Koh Tao weather in January.
In October, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 30°C (86°F). However, this month also sees significant rainfall, with 242 mm (9.5 in) of precipitation spread over 27 days, leading to high humidity levels at 86%. In contrast, February presents a more favorable climate, featuring similar temperatures with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation drastically decreases to only 37 mm (1.5 in) over just 7 days, accompanied by lower humidity at 68%. For a clearer comparison, you can check out Koh Tao weather in February.
In comparing the weather between October and March, both months showcase warm temperatures, with minimums around 25°C (77°F) and maximums peaking at 30°C (86°F). However, October typically experiences significantly higher precipitation, totaling 242 mm (9.5 in) over 27 days, resulting in a much higher humidity level at 86%. In contrast, March enjoys a drier climate with only 33 mm (1.3 in) of rainfall across just 6 days and a lower humidity of 68%. For more detailed information about March weather, you can refer to Koh Tao weather in March.
October and April both showcase warm temperatures, but October tends to be more humid and rainy. In October, the average temperature ranges from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), accompanied by significant rainfall of 242 mm (9.5 in) spread over 27 days, resulting in an 86% humidity level. In contrast, April offers slightly higher average temperatures, with a minimum of 25°C (78°F) and a maximum reaching 31°C (88°F), but experiences less precipitation at 133 mm (5.3 in) over 16 days, leading to a lower humidity of 69%. For more detailed insights into weather conditions, you can refer to Koh Tao weather in April.
October and May present distinct weather patterns, showcasing the transition from the rainy season to more stable conditions. In October, temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), accompanied by significantly higher precipitation at 242 mm (9.5 in) over 27 days, resulting in a humidity level of 86%. In contrast, May offers slightly warmer temperatures with a minimum of 26°C (79°F) and a maximum of 31°C (89°F), along with less rainfall—153 mm (6.0 in) over 22 days and a lower humidity at 77%. This makes May a more favorable time for outdoor activities compared to the often wet and humid conditions of October. For more detailed information, check out Koh Tao weather in May.
When comparing the weather in October and June, both months exhibit similar humidity levels at 86%, creating a consistently tropical atmosphere. However, October tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), compared to June's range of 26°C (79°F) to 31°C (89°F). Additionally, October experiences significantly higher rainfall, with 242 mm (9.5 in) over 27 days, compared to June's 137 mm (5.4 in) across 19 days. This increased precipitation in October contributes to a more overcast and wet environment, while June typically enjoys more sunshine. For more detailed insights into the weather in June, you can visit Koh Tao weather in June.
October and July both experience warm temperatures, with average highs in July slightly surpassing those in October. While July sees a minimum temperature of 26°C and a maximum of 31°C, October's range is slightly lower, with a minimum of 25°C and a maximum of 30°C. However, October is characterized by heavier rainfall, receiving 242 mm over 27 days compared to July's 113 mm over 19 days. Despite the higher precipitation in October, both months maintain a consistent humidity level of 86%. For more detailed weather information for July, you can check Koh Tao weather in July.
In comparing the weather of October to that of August, October tends to be slightly cooler with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), compared to August's minimum of 26°C (79°F) and maximum of 31°C (88°F). Additionally, October experiences more significant rainfall, with 242 mm (9.5 in) of precipitation over 27 days, while August receives 133 mm (5.2 in) over 21 days. Both months exhibit high humidity, with October at 86% and August slightly higher at 88%. For more detailed information, you can check the Koh Tao weather in August.
In comparing the weather between September and October, both months maintain similar temperature ranges, with October experiencing slightly cooler temperatures with a minimum of 25°C (77°F) and an average of 27°C (82°F), compared to September's minimum of 26°C (78°F) and average of 28°C (82°F). However, October sees a significant increase in precipitation, measuring 242 mm (9.5 in) over 27 rainy days, while September totals 192 mm (7.6 in) from 22 days of rain. Humidity remains high in both months, with October at 86% and September slightly higher at 87%. For a detailed look at conditions in September, visit Koh Tao weather in September.
In October, the weather remains warm with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), accompanied by high humidity levels of 86%. November sees a slight decrease in maximum temperature to 29°C (85°F), while maintaining the same minimum and average temperatures as October. However, November experiences increased precipitation, averaging 281 mm (11.0 in) over 22 days, compared to October's 242 mm (9.5 in) over 27 days, and a marginally higher humidity of 87%. For more detailed insights, check out the Koh Tao weather in November.
In October, the weather tends to be warmer and wetter, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F) and an average temperature of 27°C (82°F). The month experiences significant rainfall, totaling 242 mm (9.5 in) over 27 days, accompanied by high humidity at 86%. In contrast, December offers slightly cooler conditions, with temperatures ranging from 24°C (75°F) to 29°C (85°F) and an average of 27°C (81°F). Rainfall decreases considerably to 191 mm (7.5 in) over just 14 days, while humidity levels drop slightly to 83%. For more detailed insights, check out Koh Tao weather in December.
In October, Koh Tao's weather transforms into a unique blend of warmth and humidity, setting it apart from other months of the year. With temperatures lingering around 30°C (86°F), the island offers inviting tropical warmth, but the high humidity at 86% can make it feel even more intense. October also marks the peak of precipitation, with an average of 27 rain-soaked days, bringing lush greenery and a more vibrant landscape. This time of year can present challenges for beach goers seeking sunshine, but it also showcases the island's natural beauty in a fresh, lively way. To explore more about Koh Tao's weather patterns throughout the year, check out Koh Tao Climate.