Last updated: August 27, 2025
January in Chanthaburi, Thailand offers a pleasant climate, characterized by an average temperature of 27°C (81°F) with daily highs reaching up to 32°C (90°F) and lows dipping to 18°C (64°F). While enjoying this warm weather, visitors should be prepared for occasional rainfall, as the month sees about 39 mm (1.5 in) of precipitation over approximately 8 days. With a humidity level of 59%, the air feels comfortable, making January a delightful time to explore this vibrant region.
In January, Chanthaburi, Thailand, experiences comfortable temperatures that make it an inviting destination. The month begins with a minimum of around 18°C (64°F), rising to a max of 32°C (90°F), which marks it as one of the cooler months in the region. The pleasant average temperature of 27°C (81°F) offers a delightful balance, allowing visitors to enjoy outdoor activities without the scorching heat typical in later months. As the year progresses into February and March, temperatures gradually warm, with February seeing a slight increase to a min of 20°C (68°F) and a max of 33°C (91°F). March holds steady, maintaining a similar range but signaling the onset of warmer days ahead. This trend continues into April, where the average temperature nudges up to 29°C (84°F), heralding the hotter summer months. Overall, January’s mild conditions provide a pleasant backdrop for both exploration and relaxation before the temperature climbs higher in the coming months.
In January, Chanthaburi experiences mild precipitation, with a total of 39 mm (1.5 in) spread across just 8 days. This marks a gradual transition from the drier months of December and November, where rainfall drops to 35 mm and 53 mm respectively. As the year progresses, the rainfall steadily increases, culminating in the monsoon months of June through September, where figures soar above 360 mm. This early-month trend sets the stage for the dramatic uptick in rainfall that characterizes the region's tropical climate, showcasing a clear pattern of escalating precipitation as the seasons shift toward the wetter months ahead.
In January, Chanthaburi experiences a relatively moderate humidity level of 59%, marking a gentle transition from the cooler months. As the year progresses into February, this figure slightly drops to 58%, before nudging up to 61% in March as spring approaches. The shift becomes more noticeable by April, where humidity rises sharply to 70%, signaling the onset of the hotter and wetter months ahead. This trend continues through May and June, with humidity peaking at 85% in June. The monsoon season grips Chanthaburi from July to August, where an intense 88% humidity defines the landscape. As the year winds down, humidity begins its slow descent, tapering to 83% in October and settling at 70% by December. Overall, January serves as a gentle introduction to the increasing moisture that characterizes much of the Thai climate in the months that follow.
In January, Chanthaburi, Thailand experiences a significant UV Index of 11, categorizing exposure as extreme with a burn time of just 10 minutes. This trend of extreme UV exposure continues through February, peaking in March with a staggering index of 15. While the UV Index slightly decreases in the following months, it remains consistently high, indicating that residents and visitors must remain vigilant in protecting their skin throughout the dry season. Notably, even as the year progresses into December, the UV levels maintain a very high category, emphasizing the importance of sun safety year-round. For more detailed information, visit Chanthaburi UV Index.
UV Risk Categories
In January, Chanthaburi basks in a delightful 257 hours of sunshine, setting the stage for a vibrant start to the year. As the months progress, the sun becomes increasingly generous, peaking in March with an impressive 329 hours of radiant daylight. This sunny trend mellows slightly in April and May, while still delivering ample brightness with over 300 hours each month. However, the summer months see a gentle decline, as June to August bring fewer sun hours, hovering around the 270-280 hour range. September tends to echo January's charm with 258 hours, before a resurgence of sunshine returns in the latter months, wrapping up the year with 302 hours in November and 317 hours in December. This annual progression showcases Chanthaburi's unique ability to balance bright, sun-filled days with the allure of a tropical climate.
In Chanthaburi, Thailand, January presents a moderate 52% chance of enjoying sunny weather, making it one of the more promising months for sunshine in the region. This likelihood notably trails February, which boasts an even higher 62% chance of clear skies, but stands in stark contrast to the much cloudier months ahead. As the year progresses into the sweltering heat of April and the monsoon season starting in June, the likelihood of sunshine drops significantly, with chances plummeting to as low as 14% in July. Notably, November peaks again with a 21% chance of sun, suggesting a refreshing transition before the year ends. Therefore, January is an ideal month to soak in that precious sunlight before the weather shifts towards a more overcast disposition.
In January, Chanthaburi enjoys a balanced 11 hours of daylight, a continuation of the trend that carries through February as well. As the calendar shifts into March, daylight gradually increases to 12 hours, a duration that remains consistent through the following months, culminating in a steady rhythm of daylight lasting until the end of September. This prolonged stretch of sunlight not only bathes the region in warm hues but also encourages outdoor activities. As October approaches, the daylight begins to wane again to 11 hours, mirroring the shorter days of November and December. This cyclical pattern highlights the region’s harmonious blend of sunlight throughout the year, creating an inviting atmosphere for exploration and adventure.
In January, Chanthaburi, Thailand, experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph), setting a calm tone for the month. As the year progresses into February and March, the wind tends to mellow, dropping to 2.5 m/s (6 mph) and 2.4 m/s (5 mph) respectively, which presents a serene atmosphere, ideal for those seeking tranquility. However, as summer approaches in June and July, the winds pick up significantly, reaching peaks of 3.8 m/s (8 mph) and 3.9 m/s (9 mph), infusing the area with a lively energy. This trend of fluctuating breezes continues through the year, with a slight resurgence in November, where the wind speeds return to a more moderate 3.2 m/s (7 mph). Overall, January not only marks a calm start but also hints at the dynamic weather patterns that will unfold as the seasons change.
Weather in Chanthaburi varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Chanthaburi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, February offers slightly warmer temperatures, with a minimum of 20°C (68°F) versus January's 18°C (64°F). The average temperature remains consistent at 27°C (82°F) for both months, while February features a slightly higher maximum of 33°C (91°F) compared to January's 32°C (90°F). February experiences marginally less precipitation at 30 mm (1.2 in) over 9 days, compared to January's 39 mm (1.5 in) over 8 days. Humidity levels are similar, with February at 58% and January at 59%. For more detailed information, check out Chanthaburi weather in February.
In January, the weather is generally warm with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (90°F) and an average temperature of 27°C (81°F). With 39 mm (1.5 in) of precipitation over 8 days and humidity at 59%, January offers a relatively dry and comfortable atmosphere. In contrast, March experiences slightly warmer temperatures with a minimum of 23°C (74°F), an average of 28°C (83°F), and a maximum of 33°C (91°F). However, it also sees an increase in precipitation, totaling 83 mm (3.3 in) across 18 days, resulting in a slightly higher humidity level of 61%. For more detailed information, you can check out Chanthaburi weather in March.
January and April exhibit notable differences in weather patterns. In January, temperatures range from a minimum of 18°C (64°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F), accompanied by a moderate humidity of 59%. The month experiences around 39 mm (1.5 in) of precipitation over 8 days. In contrast, April sees a slight increase in temperatures, with minimums of 20°C (69°F) and maximums reaching 34°C (94°F), resulting in an average of 29°C (84°F). Additionally, April is significantly wetter, with precipitation totaling 121 mm (4.8 in) spread over 21 days and a higher humidity level of 70%. For a more detailed look at the weather trends, you can visit Chanthaburi weather in April.
In January, temperatures in Chanthaburi range from a minimum of 18°C (64°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). The month experiences relatively low precipitation of 39 mm (1.5 in) over about 8 days, and the humidity sits at a comfortable 59%. In contrast, May sees a notable increase in both temperature and precipitation. The minimum temperature rises to 23°C (74°F), with an average of 29°C (84°F) and a peak of 32°C (90°F). However, May is much wetter, receiving 272 mm (10.7 in) of rain spread over 28 days, and the humidity climbs to 80%. For more detailed information, you can refer to Chanthaburi weather in May.
In January, the weather features warmer temperatures with a minimum of 18°C (64°F) and an average of 27°C (81°F), peaking at a maximum of 32°C (90°F). This month experiences relatively low precipitation of 39 mm (1.5 in) over 8 days, coupled with a moderate humidity level of 59%. In contrast, June sees considerably higher humidity at 85% and a higher average temperature of 28°C (84°F). The rainfall in June is significantly more intense, with 362 mm (14.3 in) spread across 28 days, making it one of the wettest months. For a detailed look at the conditions, you can check out Chanthaburi weather in June.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (90°F), and an average temperature of 27°C (81°F). The month experiences limited rainfall, with only 39 mm (1.5 in) across about 8 days and a moderate humidity level of 59%. In contrast, July sees a more oppressive climate, with minimum temperatures rising to 25°C (77°F) and an average of 28°C (83°F), while maximum temperatures peak at 31°C (88°F). The month is characterized by heavy precipitation, totaling 364 mm (14.3 in) over an extended 30 days and significantly higher humidity at 86%. For a more detailed outlook on the conditions during the summer month, you can check Chanthaburi weather in July.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). The month sees about 39 mm (1.5 in) of precipitation spread over 8 days, accompanied by a 59% humidity level. In contrast, August experiences much warmer nights with a minimum temperature of 25°C (77°F) and consistently high humidity at 88%. Although average temperatures hold steady around 28°C (83°F) with a maximum of 31°C (88°F), August is significantly wetter, receiving 367 mm (14.4 in) of rainfall over 29 days. For more detailed insights, you can check out Chanthaburi weather in August.
In January, the weather is characterized by a warm, average temperature of 27°C (81°F), with pleasant maximums reaching 32°C (90°F) and relatively low humidity at 59%. Rainfall is minimal, with only 39 mm (1.5 in) expected over approximately 8 days, making it a drier month. In contrast, September sees a significant increase in humidity, rising to 87%, alongside a slight increase in average temperature to 28°C (82°F). However, this month also experiences heavy rainfall, with approximately 379 mm (14.9 in) spread over 29 days, creating a much wetter and more humid atmosphere. For more detailed information on the weather during this month, you can check Chanthaburi weather in September.
When comparing the weather in January and October, notable differences emerge. January offers a more moderate climate with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (90°F), averaging around 27°C (81°F). It also experiences relatively low precipitation, with just 39 mm (1.5 in) falling over 8 days, resulting in a humidity level of 59%.
In contrast, October is characterized by warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 33°C (91°F), averaging 28°C (82°F). However, this month is significantly wetter, receiving 282 mm (11.1 in) of rain spread over 24 days, leading to higher humidity at 83%. For a more detailed look at the weather conditions in October, you can explore Chanthaburi weather in October.
In January, the weather is generally warm and dry, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). The month experiences about 39 mm (1.5 in) of precipitation over 8 days, resulting in a relatively lower humidity of 59%. In contrast, November boasts slightly higher temperatures with a minimum of 23°C (74°F) and a maximum of 33°C (91°F), averaging around 28°C (82°F). However, it tends to be wetter, receiving approximately 53 mm (2.1 in) of rainfall over 10 days, along with increased humidity at 78%. For more detailed insights into November's climate, visit Chanthaburi weather in November.
In comparing the weather of January and December, both months exhibit similar temperature ranges, with minimums of 18°C (64°F), averages around 27°C (81°F), and maximums reaching 32°C (90-91°F). However, January experiences slightly higher average humidity at 59%, while December has a higher humidity level of 70%. Precipitation is relatively close, with January receiving 39 mm (1.5 in) over 8 days and December slightly less at 35 mm (1.4 in) over just 5 days. For more detailed insights, you can check Chanthaburi weather in December.
January in Chanthaburi is a delightful departure from the sweltering heat that characterizes other months, boasting a comfortable average temperature around 27°C (81°F). With maximums reaching up to 32°C (90°F), the warmth is tempered by a relatively low humidity level of 59%, making outdoor activities enjoyable. Although January sees a few rainy days, with a total precipitation of 39 mm, the weather remains largely pleasant, making it an ideal time for visitors. For a more detailed understanding of how the weather varies throughout the year, explore Chanthaburi Climate.