Last updated: August 27, 2025
In July, Koh Tao, Thailand experiences warm and humid conditions, with a maximum temperature reaching 31°C (88°F) and an average of 28°C (83°F). The minimum temperature hovers around 26°C (79°F), creating a comfortable atmosphere for visitors. However, this month also brings significant rainfall, with a total of 113 mm (4.4 in) spread across 19 rainy days, making it one of the wetter months on the island. Humidity levels peak at an impressive 86%, contributing to the tropical feel of this stunning destination. Despite the showers, Koh Tao's vibrant marine life and lush landscapes continue to attract adventurers seeking both relaxation and exploration.
In July, Koh Tao experiences a warm tropical climate, with temperatures reflecting the peak of summer. The minimum temperature hovers around 26°C (79°F), ensuring pleasant nights, while the average temperature remains steady at 28°C (83°F), perfect for beach activities. Daytime highs reach a balmy 31°C (88°F), ideal for sunbathing or exploring the island's stunning scenery. This consistent warmth, shared with the surrounding months of June and August, highlights Koh Tao's inviting weather, making it a prime destination for travelers seeking both adventure and relaxation in the sun.
In Koh Tao, Thailand, July marks a transition within the monsoon season, bringing an average precipitation of 113 mm (4.4 in) over approximately 19 days of rainfall. While this amount is notably less than the preceding months of May and June, which enjoy heavier downpours, July still contributes to the island's lush greenery and vibrant landscapes. Interestingly, the rain continues to rejuvenate the natural beauty of Koh Tao as the wettest months loom ahead, with September and October set to deliver even more substantial rainfall. July serves as a reminder of the island's dynamic climate, where brief yet refreshing showers often give way to sunny moments, allowing visitors to enjoy both adventure and relaxation amidst the tropical splendor.
July is characterized by high humidity in Koh Tao, Thailand, reaching 86%, a level that aligns with the increasingly moist conditions seen since June. This spike marks one of the most humid periods of the year, as the island transitions into the wetter months of August and September, when humidity peaks at 88%. The trend from early in the year shows a gradual increase, starting at 72% in January and steadily rising, particularly in the middle of the year. As the tropical climate envelops Koh Tao, visitors can expect a tropical experience with thick, warm air—perfect for enjoying the lush scenery and vibrant marine life surrounding this beautiful island.
In July, Koh Tao continues to bask under an intense sun, with a UV Index of 14, classified under the extreme exposure category. This signifies a consistent trend observed since January, where the UV Index remains notably high throughout the year, peaking at 15 in March and April. Despite a slight decline from earlier months, July's burn time of just 10 minutes underscores the urgency for sun protection for both residents and visitors. Whether you’re exploring the stunning beaches or diving into the vibrant underwater world, being mindful of UV exposure is essential. For detailed insights on sun safety, check out the full report on the Koh Tao UV Index.
UV Risk Categories
In July, Koh Tao basks in an impressive 310 hours of sunshine, continuing the island's trend of ample daylight leading into the summer months. Following a mild dip from the sun-drenched peaks of March, where 345 hours were recorded, July maintains a delightful brightness that invites visitors to explore its stunning beaches and vibrant coral reefs. While August sees a slight decrease with 296 hours, the overall pattern reveals that the middle of the year is rich with sunshine, perfect for both relaxation and adventure. As you plan your visit, July’s warm rays promise a rejuvenating escape amidst the tropical beauty of Thailand.
July in Koh Tao, Thailand, presents a rather gloomy outlook for sun-seekers, with only a 16% chance of sunny weather. This marks a significant dip compared to previous months, such as February's peak at 60% and March's 53%. The trend clearly indicates that as the monsoon season approaches, the likelihood of rain increases, bringing the sunniest days of the year to a halt. With August and September following closely behind with even lower chances, travelers may want to consider alternative months to soak up those golden rays. Overall, if you’re dreaming of sun-drenched days in July, it's wise to pack your umbrella alongside your beach gear!
In Koh Tao, Thailand, the month of July offers a delightful consistency in daylight, with an average of 12 hours. This steady duration, which begins in March and continues through to August, reflects a beautiful equilibrium in the island's tropical climate. As the year transitions, daylight gradually shifts from 11 hours in the early months of the year to a peak of 12 hours during the summer months, creating inviting conditions for beachgoers and divers alike. As the summer sun bathes the island in warm light, visitors can enjoy leisurely days filled with adventure or relaxation under the azure skies, before the daylight begins to wane slightly in the fall and winter months.
In Koh Tao, Thailand, the wind speed in July marks a notable peak at 5.9 m/s (13 mph), making it one of the breezier months of the year. This uptick follows the steady increase from June's 5.3 m/s, suggesting a transition into slightly more vigorous winds as the summer progresses. Interestingly, July finds itself sandwiched between the calmer spring and early summer months, characterized by lower averages, such as April's 3.7 m/s and May's 4.2 m/s. As the year unfolds, the winds show a recurring pattern, with a slight decrease observed in August at 5.3 m/s, hinting at a possible seasonal ebb following July's gusty embrace. Overall, July represents a sweet spot for wind lovers, perfectly balancing warm tropical weather with just enough breeze to encourage energy and adventure.
Weather in Koh Tao varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Koh Tao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of July and January, July tends to be hotter and more humid, with average temperatures peaking at 28°C (83°F) and maximums reaching 31°C (88°F). Humidity in July is notably high at 86%, which contributes to a muggy feel, along with an average of 113 mm (4.4 in) of rain over 19 days. In contrast, January offers slightly cooler temperatures, with an average of 27°C (81°F) and a maximum of 28°C (84°F). The humidity drops to 72%, creating a more comfortable environment, and while rainfall is still present, it is lower, averaging 148 mm (5.8 in) over just 10 days. For more detailed weather comparisons, check out Koh Tao weather in January.
The weather in July is significantly warmer and wetter than in February. With average temperatures reaching 28°C (83°F) and humidity at a high 86%, July's climate is characteristic of a humid tropical environment. In contrast, February enjoys slightly cooler temperatures, averaging 27°C (81°F) with a more comfortable humidity level of 68%. Additionally, February experiences much less rainfall, with only 37 mm (1.5 in) over about 7 days, compared to July's 113 mm (4.4 in) over 19 days. For more detailed information, you can check out Koh Tao weather in February.
In comparing the weather between July and March, July tends to be significantly more humid and wetter. July boasts an average temperature around 28°C (83°F), with a maximum reaching 31°C (88°F) and notable precipitation of 113 mm (4.4 in) over 19 days. This high humidity, averaging 86%, can create a muggier atmosphere. In contrast, March offers a similar average temperature of 28°C (82°F) but experiences much less rainfall, with only 33 mm (1.3 in) over just 6 days, accompanied by lower humidity at 68%. For a detailed look at the weather in March, you can visit Koh Tao weather in March.
When comparing the weather in July and April, we notice some interesting similarities and differences. Both months feature an average temperature of 28°C (83°F) and a maximum of 31°C (88°F), indicating a consistently warm climate. However, July tends to be slightly wetter, with a total precipitation of 113 mm (4.4 in) over 19 days, compared to April's 133 mm (5.3 in) over 16 days. Additionally, July has higher humidity levels at 86%, while April's humidity is more moderate at 69%. For more detailed insights into the weather in April, you can visit Koh Tao weather in April.
In comparison to May, July experiences slightly cooler average temperatures, with a minimum of 26°C and a maximum of 31°C, while May has an average of 29°C. However, both months share similar maximum temperatures around 31°C. Precipitation is higher in May, totaling 153 mm over 22 days, compared to July's 113 mm spread across 19 days. Additionally, July experiences higher humidity levels at 86%, contrasting with May’s 77%. For a detailed look at weather conditions in May, you can check Koh Tao weather in May.
In comparing the weather between June and July, both months exhibit similar temperature ranges, with minimums at 26°C (79°F) and averages around 28°C (83°F). However, July experiences slightly less precipitation at 113 mm (4.4 in) compared to June's 137 mm (5.4 in), despite both months having 19 rainy days. Humidity remains constant at a high 86% for both months, creating a consistently tropical atmosphere. For a detailed overview of June weather, you can visit Koh Tao weather in June.
In both July and August, temperatures remain consistent, with a minimum of 26°C (79°F), an average of 28°C (83°F), and a maximum of 31°C (88°F). However, August experiences slightly higher precipitation, totaling 133 mm (5.2 in) spread over 21 days, compared to July's 113 mm (4.4 in) over 19 days. The humidity also sees a marginal increase in August, rising to 88% from July's 86%. For more details on the weather conditions during this period, you can visit Koh Tao weather in August.
In July, the weather on Koh Tao boasts warm temperatures with a minimum of 26°C (79°F), an average of 28°C (83°F), and a maximum of 31°C (88°F). Despite the warmth, July experiences significant precipitation, totaling 113 mm (4.4 in) over 19 days, contributing to a relatively high humidity of 86%.
September, while still warm, sees a slight decrease in maximum temperature at 30°C (86°F) and maintains a consistent minimum of 26°C (78°F) and average of 28°C (82°F). However, this month is notably wetter, with rainfall amounting to 192 mm (7.6 in) across 22 days and humidity slightly rising to 87%. For more detailed insights, you can check out Koh Tao weather in September.
In July, the weather is typically warm with temperatures ranging from a minimum of 26°C (79°F) to a maximum of 31°C (88°F) and an average of 28°C (83°F). The month sees significant rainfall, totaling 113 mm (4.4 in) over 19 days, coupled with high humidity at 86%. In contrast, October experiences slightly lower 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, it also brings increased rainfall, accumulating 242 mm (9.5 in) over 27 days, while maintaining the same humidity level of 86%. For a detailed look at October weather patterns, you can refer to this link: Koh Tao weather in October.
In July, the weather on Koh Tao is typically warm, with average temperatures ranging from a minimum of 26°C (79°F) to a maximum of 31°C (88°F). The month sees a notable amount of rainfall, totaling 113 mm (4.4 in) over 19 days and maintaining a high humidity level of 86%. In contrast, November experiences slightly cooler temperatures, with an average ranging from 25°C (77°F) to 29°C (85°F). However, it is also much wetter, receiving 281 mm (11.0 in) of rain across 22 days, alongside a humidity level of 87%. For more detailed insights into the weather in November, you can check Koh Tao weather in November.
In comparing the weather between July and December, one can observe distinct differences in temperature and precipitation. July features higher temperatures, with daily averages around 28°C (83°F) and peaks reaching up to 31°C (88°F). However, it also experiences significant rainfall, accumulating around 113 mm (4.4 in) over 19 days and high humidity at 86%.
Conversely, December offers slightly cooler conditions with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), and an average of 27°C (81°F). Despite the lower temperatures, it sees more rainfall, with 191 mm (7.5 in) over 14 days, albeit with slightly lower humidity at 83%. For more information on December weather specifics, check Koh Tao weather in December.
July in Koh Tao marks a shift into the wet season, where humidity levels soar and rain becomes more frequent. Unlike the drier months, July experiences nearly two-thirds of its days with precipitation, contributing to the lush greenery that the island is known for. Though temperatures remain pleasantly warm, with averages around 28°C, the increased rain and humidity can create a more tropical atmosphere compared to the earlier months. This unique blend of sun and showers offers a different charm, making it a great time to explore Koh Tao’s vibrant marine life and breathtaking landscapes. For a deeper dive into what to expect throughout the year, visit Koh Tao Climate.