Last updated: August 27, 2025
In December, Ko Lanta, Thailand offers a tropical escape with average temperatures hovering around 27°C (81°F), peaking at 30°C (86°F) during the day and dipping to a warm 24°C (76°F) at night. However, visitors should prepare for some rain, as the island experiences an average precipitation amount of 134 mm (5.3 in) spread across approximately 14 days of the month. With humidity levels reaching 84%, the air feels lush and vibrant, creating a hallmark of the tropical climate that defines this picturesque locale.
In December, the enchanting island of Ko Lanta, Thailand experiences delightful temperatures that make it a perfect getaway. With minimums around 24°C (76°F) and averages hovering at 27°C (81°F), the island welcomes visitors with warm, tropical breezes. The maximums can reach up to 30°C (86°F), making beach days filled with sunshine and relaxation. Notably, December marks the transition into the drier season, where comfortable temperatures remain consistent with previous months. As the year comes to a close, Ko Lanta's climate not only encourages outdoor adventures but also sets the stage for unforgettable holiday memories.
In December, Ko Lanta experiences a noticeable shift in precipitation patterns as the wet season begins to wind down. With an average rainfall of 134 mm (5.3 in) over approximately 14 days, it marks a decrease from the previous months that typically see torrential downpours. November, with 257 mm of rainfall across 26 days, signifies the peak of the wet season. As December progresses, the island enjoys a more temperate climate, providing a nice balance of sunny days interspersed with occasional showers, making it an appealing time for visitors to explore the lush landscapes and pristine beaches without the overwhelming rainfall of the earlier months.
In December, Ko Lanta, Thailand experiences a notable spike in humidity, reaching 84%, which mirrors the levels seen in November and September. This trend indicates that the island is entrenched in its humid season, with moisture levels climbing from a more moderate 71% in April to these late-year highs. Following a gradual increase from 73% in February to 79% in the summer months, the humidity peaks during the transition into the wet season. As December settles in, visitors can expect a lush tropical environment, enhanced by the rich humidity that characterizes this beautiful coastal destination.
In December, Ko Lanta, Thailand, continues its trend of extreme UV exposure, with a UV Index of 11. While this marks a slight decline from the peak values of 15 observed in the preceding months, the danger remains prominent, allowing for only 10 minutes of unprotected sun exposure before a burn occurs. The consistent high UV levels from January through November highlight the need for sun protection throughout the year. Visitors are advised to stay vigilant and take necessary precautions, as the sun’s intensity here is relentless. For more detailed information on UV levels throughout the year, check out Ko Lanta UV Index.
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In Ko Lanta, Thailand, December offers a delightful embrace of sunshine, boasting an impressive 307 hours of bright, clear skies. As the year draws to a close, this month stands out amidst a trend of gradually diminishing daylight hours, which peaks dramatically in March. Following the high of 345 hours in March, December's sunshine is akin to a warm farewell, gracefully cascading into the quieter months. While the hours of sunlight recede from the vibrant heights of earlier in the year, each sun-kissed day in December remains filled with promise, making it an ideal time for travelers to soak in the beauty of this tropical paradise before the New Year arrives.
In Ko Lanta, Thailand, December offers a 33% chance of sunny weather, a pleasant improvement compared to the gloomy months preceding it. While November sees a drop to a mere 4%, December marks a notable resurgence as the dry season begins to take hold. This pattern showcases a gradual recovery in sunshine opportunities, hinting at brighter days ahead. As the year closes, travelers can look forward to more favorable conditions, creating an inviting atmosphere for beach lovers and adventure seekers alike. Enjoying the holiday season under the sun becomes much more achievable, as December stands out as a month with a promising forecast.
In Ko Lanta, Thailand, daylight duration exhibits a rhythm that reflects the tropical climate. December marks a return to 11 hours of daylight, consistent with both January and February. This pattern hints at a gentle shift as the year draws to a close, much like the preceding months of October and November. From March through August, the island enjoys a generous 12 hours of sunshine, providing ample light for exploration and relaxation. As the days shorten again in the latter part of the year, the balance of light and dark invites reflection and a cozy atmosphere typical of this enchanting locale. Overall, the gradual transitions throughout the months create a perfect backdrop for visitors to bask in the beauty of Ko Lanta's natural charm.
As December rolls into Ko Lanta, Thailand, the island experiences a refreshing rise in wind speed, averaging 5.2 m/s (12 mph). This slight uptick marks a contrast to the preceding months, where wind speeds gradually decreased from a January high of 5.7 m/s to November's lower average of 3.9 m/s. The December breeze not only invigorates the atmosphere but also signals an invitation for outdoor adventures, making it an ideal time for beach lovers and water sports enthusiasts alike to embrace the revitalizing winds. This seasonal shift enhances the charm of Ko Lanta, ensuring visitors enjoy a delightful balance of warmth and gentle breezes during their holiday getaway.
Weather in Ko Lanta varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ko Lanta, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit similar temperature ranges, with both months featuring a minimum temperature of 24°C (75°F), average temperature of 27°C (81°F), and a maximum of 30°C (86°F). However, there are notable differences in precipitation and humidity levels. December experiences higher rainfall, with 134 mm (5.3 in) over 14 days, compared to January's 98 mm (3.9 in) over just 8 days. Additionally, January enjoys lower humidity at 76%, making it feel a bit drier compared to December's 84%. For those interested in weather details for January, check out Ko Lanta weather in January.
In December, the weather in Ko Lanta is marked by warm temperatures, with minimums around 24°C (76°F) and maximums reaching up to 30°C (86°F). The month experiences substantial rainfall, totaling 134 mm (5.3 in) over approximately 14 days, contributing to a high humidity level of 84%. In contrast, February offers a slightly warmer average temperature with minimums of 25°C (77°F) and maximums of 31°C (88°F), but it boasts significantly less precipitation, with only 9 mm (0.3 in) over just 2 days. This results in a much lower humidity level of 73%, making February a drier and more comfortable month overall. For more detailed information, check out Ko Lanta weather in February.
In December, the weather is characterized by warm temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at a maximum of 30°C (86°F). The month sees significant rainfall, with 134 mm (5.3 in) over 14 days and high humidity levels at 84%. In contrast, March experiences slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum reaching 32°C (89°F). Precipitation significantly decreases to 33 mm (1.3 in) over just 8 days, and humidity drops to 74%. This makes March a drier and warmer month compared to December, providing a more comfortable climate for outdoor activities. For more details, you can check Ko Lanta weather in March.
In December, the weather typically features slightly lower temperatures, with minimums around 24°C (76°F) and maximums reaching 30°C (86°F), while April sees a bit of an increase with minimums at 25°C (78°F) and maximums peaking at 31°C (88°F). December experiences more humidity, averaging 84%, compared to April’s 71%. However, April is characterized by significantly higher precipitation, totaling 180 mm (7.1 in) over 22 days, in contrast to December's 134 mm (5.3 in) over 14 days. For more detailed insights, you can explore Ko Lanta weather in April.
In December, the weather is characterized by a minimum temperature of 24°C (76°F) and an average temperature of 27°C (81°F), with a maximum reaching 30°C (86°F). The month experiences notable precipitation, totaling 134 mm (5.3 in) over about 14 days, and the humidity is relatively high at 84%.
In contrast, May shows slightly warmer conditions with a minimum temperature of 26°C (79°F) and an average of 28°C (83°F), while still peaking at 30°C (87°F). However, May is significantly wetter, accumulating 255 mm (10.1 in) of rain over 27 days and displaying lower humidity at 72%.
For more detailed insights into the weather patterns in May, you can refer to Ko Lanta weather in May.
In December, temperatures in Ko Lanta range from a minimum of 24°C (76°F) to a maximum of 30°C (86°F), with an average of 27°C (81°F). The month experiences notable precipitation, with 134 mm (5.3 in) of rain falling over 14 days, leading to a high humidity level of 84%.
In contrast, June sees slightly warmer temperatures with a minimum of 25°C (78°F) and a maximum of 30°C (87°F), averaging 28°C (83°F). However, it also brings significantly more rain, totaling 234 mm (9.2 in) over 23 days, while humidity decreases to 79%.
For more detailed information about June weather patterns, visit Ko Lanta weather in June.
December and July present distinct weather patterns, despite having similar maximum temperatures of 30°C (86°F). December enjoys slightly cooler nights with a minimum temperature of 24°C (76°F), compared to July's 26°C (78°F). However, July is generally wetter, with precipitation totaling 203 mm (8.0 in) over 18 days, compared to December's 134 mm (5.3 in) over just 14 days. Humidity in December is higher at 84%, while July's humidity stands at a slightly lower 79%. For more specific insights into July's climate, you can explore Ko Lanta weather in July.
In December, the weather is slightly cooler with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 30°C (86°F), while August sees a slightly higher average of 28°C (82°F), with a minimum of 25°C (78°F) and the same maximum of 30°C (86°F). Precipitation levels in December are lower, totaling 134 mm (5.3 in) over about 14 days, compared to August which experiences significantly higher rainfall at 241 mm (9.5 in) across 21 days. The humidity is also slightly higher in December at 84%, while August maintains a comfortable level of 82%. For more detailed insights, you can check Ko Lanta weather in August.
When comparing the weather in December and September, we note that both months maintain similar average temperatures, with December featuring a minimum of 24°C (76°F) and an average of 27°C (81°F), while September has a slightly higher minimum of 25°C (78°F) and an average also of 27°C (82°F). However, September is significantly wetter, receiving 306 mm (12.0 in) of rainfall over 24 days compared to December's 134 mm (5.3 in) spread over 14 days. Despite both months having high humidity levels at 84%, December’s drier conditions make it generally more pleasant than the much rainier September. For more details on September weather, you can visit Ko Lanta weather in September.
In comparing the weather between October and December, we see some notable differences despite both months having similar average temperatures. December experiences slightly lower minimum temperatures, with a range of 24°C (76°F) to 30°C (86°F) compared to October's minimum of 25°C (77°F). However, October is characterized by significantly higher rainfall, with 314 mm (12.4 in) over 26 days, while December only sees 134 mm (5.3 in) across 14 rainy days. Humidity levels remain relatively close, with December at 84% and October at 83%. For more details on October weather in Ko Lanta, you can visit Ko Lanta weather in October.
In comparing the weather patterns of December and November, we see that December offers slightly cooler nighttime temperatures, with a minimum of 24°C (76°F) compared to November's 25°C (77°F). Both months share an average high of 30°C (86°F) and maintain consistent humidity levels at 84%. However, November experiences significantly more rainfall, accumulating 257 mm (10.1 in) over 26 days, while December sees a reduced total of 134 mm (5.3 in) across just 14 days. This reduction in precipitation may make December a more pleasant month for outdoor activities. For more detailed insights, you can refer to Ko Lanta weather in November.
As December unfolds on Ko Lanta, visitors can expect a delightful blend of warm sunshine tempered by occasional rain, making it a unique time compared to other months. With average temperatures hovering around a pleasant 27°C (81°F) and humidity levels peaking at 84%, the island showcases its tropical charm. Although December experiences more precipitation than some drier months, it still offers ample opportunities for exploration and relaxation. This month marks the transition into the peak tourist season, where the lush landscape and vibrant atmosphere invite adventure. To learn more about what to expect throughout the year, visit Ko Lanta Climate.