Last updated: August 27, 2025
January in Koh Tao, Thailand brings pleasantly warm temperatures, with daily highs reaching a maximum of 28°C (84°F) and an average of 27°C (81°F), while nights cool down to a comfortable 24°C (76°F). This tropical paradise experiences about 148 mm (5.8 in) of rainfall spread over 10 days, resulting in a humidity level around 72%. Visitors can enjoy a mix of sunny days and refreshing showers, making January an ideal time to explore the island's stunning beaches and vibrant marine life.
In January, Koh Tao, Thailand welcomes visitors with pleasantly warm temperatures, offering a perfect escape from the chill of winter elsewhere. The month opens with a comfortable minimum temperature of 24°C (76°F) and an average of 27°C (81°F), peaking at a delightful 28°C (84°F). As the month progresses into February, you’ll notice a slight increase with lows around 25°C (77°F) and highs reaching 29°C (85°F), maintaining that inviting average. This trend of gradually rising temperatures continues into the following months, culminating in April and May, where maximums soar to 31°C (88°F). Overall, January marks the beginning of the warm season in Koh Tao, providing the ideal conditions for beach lovers and adventure seekers alike to enjoy the island's stunning natural beauty.
January in Koh Tao, Thailand, sees moderate precipitation with an average of 148 mm (5.8 in) of rain over approximately 10 days. This marks a noticeable contrast to February, where rainfall drops dramatically to 37 mm (1.5 in), signaling the tail end of the rainy season. The trend continues into March with a further decrease to just 33 mm (1.3 in), providing ample time for visitors to enjoy the island’s stunning beaches. However, as April approaches, rainfall begins to pick up again, ramping up to 133 mm (5.3 in), indicating the shift back towards the wetter months ahead. Overall, January offers a balance between the lingering rains and dry spells, making it a unique time for travelers to experience Koh Tao's natural beauty while enjoying the tranquil atmosphere before the heavier rains of mid-year arrive.
In January, Koh Tao welcomes visitors with a pleasant humidity level of 72%, setting the tone for a comfortable start to the year. As the month unfolds, the humidity gradually decreases, reaching an even 68% in both February and March, making these months ideal for outdoor exploration. However, by April, humidity creeps back up to 69% as the island transitions into the warmer months. It’s in May that the atmosphere becomes noticeably more humid, soaring to 77%, with the trend continuing to rise sharply through the summer. From June through August, the island experiences its peak humidity, often hovering around 86% to 88%, which contributes to Koh Tao’s lush, vibrant greenery. As the year progresses into September and October, humidity remains high at around 87% to 86%, while November and December offer a slight reprieve at 87% and 83%, respectively, making the latter months slightly more bearable yet still humid. This cyclical pattern of humidity not only shapes the weather but also influences the island's vibrant ecosystem and the experiences of those who visit.
In Koh Tao, Thailand, January kicks off the year with a UV Index of 11, indicating an extreme level of sun exposure that can lead to burns in just 10 minutes. As the months progress into February and March, the UV Index escalates, peaking at 15 before slightly tapering off in April and May. However, the extreme exposure persists throughout the summer months, maintaining an Index of 14 from June until September. Even as the year winds down in October through December, the Index remains notably high, hovering between 11 and 13. This consistent trend of extreme UV levels underscores the importance of sun protection while enjoying Koh Tao's stunning beaches. For detailed information on UV levels throughout the year, check out the Koh Tao UV Index.
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In January, Koh Tao basks under 251 hours of sunshine, setting the stage for a spectacular start to the year. As the months unfold, the island experiences a steady increase in sunlight, reaching a peak of 345 hours in March. This sunny trend continues with April and May hovering around 317 and 328 hours, respectively, perfecting the idyllic beach charm. However, as summer arrives, the daylight hours gently taper off to around 296 hours in August, still providing ample sun for beachgoers. With September and October showcasing 279 and 286 hours, the island remains a favored getaway through to the year's end, which concludes with a robust 306 hours of January's sunshine. This seasonal rhythm not only illuminates the skies but also warms the hearts of those escaping to this tropical paradise, making Koh Tao a quintessential escape throughout the year.
In January, Koh Tao enjoys a 39% chance of sunny weather, making it a delightful time for visitors seeking to soak up some rays. This percentage sets the stage for a gradual increase in sunshine that follows with February’s 60%, marking the peak of the dry season. As winter transitions to early spring, the likelihood of sunshine begins to shift, with March maintaining a solid 53%. However, as the year progresses into the hotter months, the chance of sunny days dips significantly; April plummets to 29%, followed by a steady decline through the rest of the year, with August bearing the lowest at just 8%. Overall, January offers a promising start to the year, balancing sunny spells with occasional clouds, making it an ideal time for those eager to escape into paradise.
In Koh Tao, Thailand, January greets visitors with an average of 11 hours of daylight, setting the tone for a year characterized by consistent sunshine. As February rolls in, the daylight remains steady at 11 hours, but the real transformation occurs in March when daylight extends to 12 hours. This longer daylight persists through the summer months, peaking during the heart of the year with 12 hours from March to September, providing ample time for exploration and relaxation. As the year winds down, daylight diminishes again, returning to 11 hours by October and remaining the same through December. This pattern of fluctuating daylight highlights Koh Tao's tropical charm, ensuring that each season offers a unique experience bathed in natural light.
In Koh Tao, January ushers in a delightful breeze, with an average wind speed of 5.5 m/s (12 mph), setting a refreshing tone for the month. As the year progresses, the wind remains relatively steady; February sees a slight dip to 4.7 m/s, while March and April experience even calmer days, dropping to 4.3 m/s and 3.7 m/s respectively. However, the winds pick up again in early summer, reaching 5.9 m/s (13 mph) in July before stabilizing around 5.3 m/s in August and June. Notably, the onset of the rainy season in October brings a modest increase in wind speed again to 5.2 m/s, eventually matching January's pace in November. Throughout the year, the gentle fluctuations in wind speed create a dynamic yet pleasant atmosphere, perfect for activities like sailing or just enjoying the island's stunning views.
Weather in Koh Tao varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Koh Tao, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit relatively similar weather patterns, but with distinct differences. In January, the temperature range hovers between a minimum of 24°C (76°F) and a maximum of 28°C (84°F), with an average of 27°C (81°F). This month experiences more rainfall, totaling 148 mm (5.8 in) across approximately 10 days, and maintains a humidity level of 72%. In contrast, February sees a slight rise in temperatures with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), while the average remains consistent at 27°C (81°F). Notably, February is drier, recording only 37 mm (1.5 in) of precipitation over 7 days, accompanied by a slightly lower humidity of 68%. For more detailed insights, refer to Koh Tao weather in February.
In January, the weather is characterized by slightly cooler temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at a maximum of 28°C (84°F). This month also sees significant precipitation, totaling 148 mm (5.8 in) over about 10 days, and average humidity levels are around 72%. In contrast, March experiences warmer conditions, with minimum temperatures rising to 25°C (78°F) and maximums reaching 30°C (86°F). Precipitation is notably lower at just 33 mm (1.3 in) over 6 days, and humidity decreases to 68%. For more detailed information on Koh Tao's weather in March, you can check Koh Tao weather in March.
In January, the weather showcases mild temperatures with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 28°C (84°F). This month experiences significant rainfall, totaling 148 mm (5.8 in) over about 10 days, alongside a humidity level of 72%. In contrast, April sees a slight increase in temperatures, with a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum reaching 31°C (88°F). Although the total precipitation drops to 133 mm (5.3 in), it is spread over a longer period, with rain occurring on 16 days. The humidity decreases slightly to 69%. For more detailed information on April weather, check out Koh Tao weather in April.
In January, the weather is warm with minimum temperatures around 24°C (76°F) and average highs reaching 28°C (84°F). The month sees about 148 mm (5.8 in) of rainfall spread over 10 days, resulting in a humidity level of 72%. In contrast, May brings even warmer temperatures, with minimums of 26°C (79°F) and average highs climbing to 31°C (89°F). Rainfall slightly increases to 153 mm (6.0 in) and occurs over 22 days, elevating the humidity to 77%. For more specific details about the conditions in May, you can visit Koh Tao weather in May.
In January, the weather features a mild temperature range with a minimum of 24°C (76°F) and an average of 27°C (81°F), while max temperatures reach up to 28°C (84°F). The month experiences significant precipitation, with 148 mm (5.8 in) falling over about 10 days, and the humidity sits at around 72%. In contrast, June showcases slightly warmer temperatures, with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at 31°C (89°F). Although precipitation is slightly lower at 137 mm (5.4 in), it occurs over more days—19 in total—resulting in a higher humidity level of 86%. For more details on June's weather, you can check Koh Tao weather in June.
In January, the weather on Koh Tao features a mild range of temperatures, with a minimum of 24°C (76°F) and an average temperature of 27°C (81°F), peaking at 28°C (84°F). The island experiences moderate rainfall, with 148 mm (5.8 in) of precipitation over about 10 days, resulting in a humidity level of 72%.
In contrast, July brings slightly warmer temperatures, with a minimum of 26°C (79°F) and an average of 28°C (83°F), rising to a maximum of 31°C (88°F). However, it also sees more precipitation, totaling 113 mm (4.4 in) over around 19 days, and higher humidity at 86%. This comparison highlights a transition from the more temperate January weather to the warmer and wetter conditions of July. For a detailed look at July weather specifically, refer to Koh Tao weather in July.
In January, the weather is warm with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 28°C (84°F), and a comfortable average of 27°C (81°F). The month sees about 148 mm (5.8 in) of rainfall spread over 10 days, accompanied by a humidity level of 72%. In contrast, August experiences slightly higher temperatures, with a minimum of 26°C (79°F) and a maximum of 31°C (88°F), averaging around 28°C (83°F). Although August receives less rainfall at 133 mm (5.2 in), it has more rainy days, totaling 21, and a higher humidity level of 88%. For a more detailed look at the climatic conditions during this month, you can check the Koh Tao weather in August.
In January, the weather in Koh Tao is warm but slightly cooler, with temperatures ranging from a minimum of 24°C (76°F) to an average of 27°C (81°F) and a maximum of 28°C (84°F). Precipitation during this month averages 148 mm (5.8 in) over about 10 days, with humidity at a comfortable 72%. In contrast, September brings even warmer temperatures, with a minimum of 26°C (78°F) and rising to an average of 28°C (82°F) and a maximum of 30°C (86°F). However, the rain increases significantly, as September experiences 192 mm (7.6 in) of precipitation over approximately 22 days, and humidity also rises to 87%. For more details about the weather in September, you can check Koh Tao weather in September.
In comparing the weather patterns of January and October, we observe that both months feature similar average temperatures, hovering around 27°C (81°F), but October's temperatures can reach a slightly higher maximum of 30°C (86°F). October experiences significantly more rainfall, with a total precipitation of 242 mm (9.5 in) over 27 days compared to January's 148 mm (5.8 in) spread out over just 10 days. Additionally, October's humidity level rises to 86%, higher than January's 72%, contributing to a more humid environment. For more detailed insights, you can check out Koh Tao weather in October.
In January, the weather on Koh Tao is slightly warmer with average temperatures ranging from 24°C (76°F) to a maximum of 28°C (84°F). The month experiences moderate rainfall of 148 mm (5.8 in) over about 10 days and a humidity level of 72%. In contrast, November sees a minimum temperature of 25°C (77°F) and can reach as high as 29°C (85°F), but it experiences significantly higher precipitation, averaging 281 mm (11.0 in) across 22 rainy days, accompanied by increased humidity at 87%. This makes November noticeably wetter and more humid compared to January, impacting outdoor activities. For more details on Koh Tao's climate during this time, you can check Koh Tao weather in November.
In January, the weather remains warm with a minimum temperature of 24°C (76°F) and an average of 27°C (81°F), mirroring December's conditions. However, January typically experiences slightly lower maximum temperatures, averaging 28°C (84°F) compared to December's peak of 29°C (85°F). While both months share similar humidity levels, January has a humidity of 72%, which is lower than December's 83%. Precipitation also decreases in January, with about 148 mm (5.8 in) of rain over approximately 10 days, in contrast to December's higher rainfall of 191 mm (7.5 in) over 14 days. For more detailed information, you can check Koh Tao weather in December.
January in Koh Tao offers a delightful blend of warm temperatures and moderate humidity, making it a standout month compared to the rest of the year. With daily highs around 28°C (84°F) and a comfortable average of 27°C (81°F), visitors can enjoy pleasant beach days and outdoor activities. Although the island experiences some precipitation, with about 10 days of rain totaling 148 mm (5.8 in), it's generally less humid than the subsequent months. This balance of warmth and sporadic showers sets January apart as an excellent time for travelers seeking both sunshine and the beauty of Koh Tao. For a deeper understanding of the island's weather patterns, be sure to check out Koh Tao Climate.