January Weather in Surat Thani, Thailand

Last updated: August 27, 2025

January in Surat Thani, Thailand, offers a delightful tropical experience with mild temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), averaging around 27°C (81°F). This month sees a noteworthy precipitation total of 137 mm (5.4 in) over approximately 13 days, contributing to the region's lush greenery. With an average humidity level of 72%, visitors can expect a warm, albeit occasionally damp, atmosphere perfect for exploring the stunning landscapes and vibrant culture of this charming province.

January Temperature in Surat Thani

In January, Surat Thani basks in warm tropical temperatures, with minimums around 23°C (74°F) and averages reaching 27°C (81°F), while the maximums can hit 32°C (90°F). This inviting climate sets the stage for a delightful start to the year, as it transitions smoothly into February, where nights become slightly cooler, dipping to 21°C (71°F). The average remains stable at 27°C (82°F), while the days warm up just a touch, peaking at 33°C (92°F). As the months progress into March and April, the heat intensifies, with maximums soaring to 35°C (95°F) and 36°C (97°F), creating a lively atmosphere ideal for outdoor adventures. Notably, the high temperatures moderate slightly by June, hovering between 28°C (83°F) and 34°C (94°F), signaling the approach of the rainy season. Throughout the year, Surat Thani’s climate showcases a consistent warmth, making it a beckoning retreat for those seeking both relaxation and exploration amidst nature's vibrancy.

January Weather in Surat Thani: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Surat Thani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surat Thani, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818184848483838382818180
Data source: Temperature data for Surat Thani generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Surat Thani

In January, Surat Thani experiences a significant amount of precipitation, with 137 mm (5.4 in) falling over 13 days. This early burst of rainfall sets the tone for the year, hinting at the region's wet tropical climate. Following January, precipitation drops sharply in February to just 28 mm (1.1 in) over 6 days, creating a brief respite from the rains. However, as the year progresses, rainfall begins to pick up again in April, peaking in November with a staggering 317 mm (12.5 in). This trend illustrates a clear pattern: January's rainfall signals the transition from the dry season to a more humid environment, ultimately leading to the intense precipitation typical of the monsoon period in the latter half of the year.

January Precipitation Trends in Surat Thani

The chart displays monthly precipitation patterns in Surat Thani, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Surat Thani, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13728391781511189599164240317197
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Surat Thani

In January, Surat Thani experiences a moderate humidity level of 72%, setting the stage for a tropical climate that is characteristic of the region. As the months progress into February and March, humidity remains consistent at 68%, providing a brief respite before the weather begins to warm. By April, humidity climbs slightly to 69%, signaling the approach of the wetter season. A noticeable spike occurs in May, where humidity soars to 77%, catalyzing a shift into the monsoon months. The humidity peaks in August at 88%, intertwining with the heavy rains typical of the season, and remains high through September and October. As the year winds down, humidity gradually decreases, but still stays elevated with November at 87% and December at 83%, culminating in a year marked by significant moisture and heat. Overall, the data illustrates a clear trend of increasing humidity, especially during the middle two-thirds of the year, making Surat Thani a humid haven in the tropics.

January Average Humidity in Surat Thani

This chart illustrates the average monthly humidity levels in Surat Thani, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Surat Thani is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%68%68%69%77%86%86%88%87%86%87%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Surat Thani

In January, Surat Thani experiences an extreme UV Index of 11, signaling the need for caution and protection with a burn time of just 10 minutes. This marks the beginning of a trend that persists throughout the first half of the year, with UV levels reaching their peak in March and April at 15. Even as the months progress toward a slight decline in May and June, the exposure remains categorized as extreme, with burn times consistently pegged at 10 minutes. As the year transitions into the latter months, the UV Index remains high, fluctuating between 12 to 14, underscoring the need for vigilance against sun exposure. For a detailed look at the UV trends throughout the year, you can check Surat Thani UV Index.

Maximum UV Index Levels in Surat Thani for January

The chart shows the monthly maximum UV Index (UVI) for Surat Thani in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Surat Thani typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151413131414141211
Data source: Surat Thani January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Surat Thani

In January, Surat Thani basks in an impressive 245 hours of sunshine, marking the beginning of the year with radiant days. As February rolls in, sun-seekers are treated to even more light, with 307 hours illuminating the region, a trend that continues into March with 344 hours, the sun reaching its peak. The warmth remains consistent through April and May, both boasting around 306 to 307 hours, ensuring that the pleasant weather lingers. However, as June arrives, a slight dip to 294 hours serves as a precursor to the monsoon season, which captures the essence of the region's tropical climate. The summer months hold steady, with July and August seeing 309 and 297 hours respectively, while September brings a more pronounced reduction at 270 hours. As the year progresses into autumn, the hours gradually rejuvenate, concluding with October and November at 273 and 272 hours, before wrapping up in December with an uplifting 288 hours. Altogether, the sunshine in Surat Thani paints a vivid portrait of tropical bliss that's perfect for both adventure and relaxation all year round.

Monthly Sunshine Duration in Surat Thani: January Highlighted

The January sunshine duration represents the total number of hours Surat Thani experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec245h307h344h306h307h294h309h297h270h273h272h288h
Data source: Surat Thani January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Surat Thani During January

In January, Surat Thani enjoys a 27% chance of sunny weather, marking it as a transitional month that stands out as the sunniest period before the onset of the monsoon. As the year progresses into February and March, the likelihood of sunshine significantly increases to 54% and 46%, respectively, inviting outdoor activities and exploration. However, as the tropical climate takes over, this optimism wanes into April with a dip back to 25%, and further decreases throughout the rainy months of May to July. Remarkably, August has the least amount of sunshine at just 7%, underscoring the region's wet season. This pattern illustrates that while January offers a refreshing start to the year, the peak of sunny weather is fleeting, making the first month a perfect time for visitors seeking warmth before the clouds roll in.

Percentage of Sunny Days in January in Surat Thani

The chart illustrates the percentage of sunny days in Surat Thani throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Surat Thani experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%54%46%25%18%20%17%7%11%9%6%35%
Data source: Surat Thani January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Surat Thani in January

In January, Surat Thani basks in 11 hours of daylight, a trend that continues into February. As the region transitions toward the heart of the year, March marks the beginning of a slow yet steady increase, stretching daylight to 12 hours. This prolonged daylight remains consistent through April to September, creating the perfect backdrop for outdoor adventures and exploration. As the year winds down, October nudges daylight back to 11 hours, followed by November and December, which wrap up the year with the same shorter days that began in January. This rhythm of daylight not only highlights the beauty of each season but also influences the lifestyle and activities of those living in this tropical paradise.

Average Daylight Hours in Surat Thani for January

The chart illustrates the variation in daylight duration in Surat Thani throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 38m11h 49m12h 3m12h 18m12h 31m12h 38m12h 34m12h 23m12h 9m11h 54m11h 41m11h 35m
Data source: Surat Thani daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Surat Thani

In January, Surat Thani experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph), setting the tone for a month that feels invigorated yet calm. As the year progresses, February and March see a decrease in wind speed to 2.9 m/s (7 mph) and 2.9 m/s (6 mph), respectively, creating a serene environment that complements the region’s tropical charm. In April, the winds take a dip, averaging only 2.1 m/s (5 mph), before gradually picking up during the summer months. Notably, a more pronounced increase occurs in December, where the wind speed rises to 4.0 m/s (9 mph), signaling the arrival of the cool season and refreshing gusts that invigorate both the air and the spirit. This seasonal rhythm—with January's comforting winds giving way to calmer months and finishing strong—reveals the dynamic interplay of temperature and breeze in this vibrant coastal locale.

Average January Wind Speed in Surat Thani

The chart displays monthly wind speed patterns in Surat Thani, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.6 m/s2.92.92.12.53.03.33.02.42.62.94.0
Data source: Surat Thani January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Surat Thani Compares to Other Months

Weather in Surat Thani varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Surat Thani, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February in Surat Thani display a noticeable contrast in weather conditions despite their proximity. January typically sees slightly higher humidity at 72% and a greater total precipitation of 137 mm over 13 days, resulting in a damp environment. In contrast, February experiences a drop in humidity to 68% and a significant reduction in precipitation to just 28 mm across 6 days, leading to drier conditions. The average temperature remains similar in both months, around 27°C (81°F), but February can be slightly warmer at its peak, reaching a maximum of 33°C (92°F) compared to January's 32°C (90°F). For more details on February's weather, visit Surat Thani weather in February.

In January, the weather in Surat Thani features a warm climate with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). This month also experiences significant precipitation, totaling 137 mm (5.4 in) spread over 13 days, along with a humidity level of 72%.

In contrast, March brings slightly higher temperatures, with a minimum of 24°C (75°F), an average of 29°C (84°F), and a maximum of 35°C (95°F). Precipitation is considerably lower in March, at just 38 mm (1.5 in) over 6 days, and humidity decreases slightly to 68%. For more detailed insights, you can refer to Surat Thani weather in March.

In comparing the weather between January and April, January tends to have slightly cooler temperatures, with averages around 27°C (81°F) and maximums reaching 32°C (90°F). It experiences notable humidity at 72% and receives about 137 mm (5.4 in) of precipitation over 13 days. In contrast, April brings warmer conditions, with minimum temperatures starting at 25°C (77°F) and max temperatures rising to a scorching 36°C (97°F). The month sees increased rainfall, totaling 178 mm (7.0 in) over 19 days, while humidity remains relatively lower at 69%. For more detailed information, you can check Surat Thani weather in April.

In comparing the weather between January and May in Surat Thani, we see a noticeable increase in temperatures during May. January experiences a minimum temperature of 23°C (74°F) and an average of 27°C (81°F), while May starts at a higher minimum of 25°C (77°F) and reaches an average of 29°C (84°F). The maximum temperatures also rise significantly, peaking at 32°C (90°F) in January compared to 36°C (96°F) in May.

Precipitation levels are relatively high in both months, with January receiving 137 mm (5.4 in) over 13 days, and May recording slightly more at 151 mm (5.9 in) over 25 days. Additionally, humidity increases from 72% in January to 77% in May, contributing to a more tropical feel as the dry season transitions into the wetter months. For more detailed information, you can check Surat Thani weather in May.

In January, the weather in Surat Thani features a minimum temperature of 23°C (74°F) and averages around 27°C (81°F), with a maximum reaching 32°C (90°F). The month experiences significant rainfall, totaling 137 mm (5.4 in) spread over 13 days and maintaining a humidity level of 72%. In contrast, June brings slightly warmer temperatures, with a minimum of 24°C (76°F) and an average of 28°C (83°F), peaking at 34°C (94°F). Although the overall precipitation decreases to 117 mm (4.6 in), it occurs on more days—19 in total—resulting in a higher humidity level of 86%. For a more detailed look at the June weather, check out Surat Thani weather in June.

In January, Surat Thani experiences relatively mild temperatures with a minimum of 23°C (74°F) and an average of 27°C (81°F), reaching a maximum of 32°C (90°F). The month tends to be wetter, with 137 mm (5.4 in) of precipitation over approximately 13 days and a humidity level of 72%. In contrast, July is warmer, with temperatures ranging from a minimum of 25°C (76°F) to a maximum of 36°C (97°F), while the average temperature reaches 28°C (83°F). Although it experiences less rainfall at 95 mm (3.7 in), July sees precipitation on more days—around 18—with elevated humidity levels at 86%. For more details on July's weather, visit Surat Thani weather in July.

In January, temperatures in Surat Thani range from a minimum of 23°C (74°F) to a maximum of 32°C (90°F), averaging around 27°C (81°F). The month sees significant rainfall, with 137 mm (5.4 in) of precipitation over 13 days, and humidity levels hovering at 72%. In contrast, August experiences slightly higher minimum and average temperatures, with a low of 24°C (76°F) and an average of 28°C (83°F), peaking at 35°C (95°F). While August has less total precipitation at 99 mm (3.9 in), it has more rainy days, totaling 21, and higher humidity at 88%. For more detailed information, you can visit Surat Thani weather in August.

In January, the weather in Surat Thani is relatively warm, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F). The month experiences around 137 mm (5.4 in) of precipitation over approximately 13 days, with a humidity level of 72%. In contrast, September sees slightly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F). However, it is also wetter, receiving about 164 mm (6.5 in) of rainfall over 24 days, accompanied by increased humidity at 87%. For more detailed information, you can check out Surat Thani weather in September.

In comparing the weather between January and October, both months feature similar average temperatures, maintaining an inviting warmth with averages around 27°C (81°F). However, October slightly edges out with higher extremes, reaching a maximum of 33°C (91°F) compared to January's peak of 32°C (90°F). A stark difference arises in precipitation; January sees 137 mm (5.4 in) over 13 days, while October experiences much greater rainfall of 239 mm (9.4 in) across 28 days, contributing to a notably higher humidity level of 86%. The increased humidity in October can make the atmosphere feel more oppressive, even though the temperatures are just a degree warmer. For a detailed look at the weather patterns, you can refer to Surat Thani weather in October.

In January, the weather in Surat Thani is characterized by warm temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). While precipitation occurs on about 13 days, totaling 137 mm (5.4 in), the humidity level is somewhat moderate at 72%.

Conversely, November sees slightly warmer minimum temperatures at 24°C (75°F) and similar average highs at 32°C (89°F). However, it experiences significantly more rainfall, with 317 mm (12.5 in) over 26 days, contributing to a higher humidity level of 87%. This stark difference in precipitation and humidity can greatly affect outdoor activities and overall comfort during these months. For more detailed insights on November weather, you can visit Surat Thani weather in November.

In January, the weather in Surat Thani remains warm and consistent, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (90°F) and an average of 27°C (81°F). However, this month sees significantly less rainfall, totaling 137 mm (5.4 in) over about 13 days, leading to a humidity level of 72%. In contrast, December experiences a similar temperature range, but with higher precipitation levels of 197 mm (7.8 in) over 20 days, resulting in increased humidity at 83%. For a closer look at December weather, check Surat Thani weather in December.

Compare Surat Thani's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Surat Thani

In January, Surat Thani experiences a shift in weather that sets it apart from other months. With the temperature hovering around a comfortable average of 27°C, it offers a pleasant retreat compared to the hotter, more humid summer months. However, expect occasional rain, as the region sees about 13 days of precipitation, contributing to a total of 137 mm for the month. The relatively high humidity at 72% can make it feel warmer, but it also nourishes the lush tropical landscape that makes Surat Thani so captivating. For a deeper dive into what to expect throughout the year, explore the detailed insights at Surat Thani Climate.