December Weather in Surat Thani, Thailand

Last updated: August 27, 2025

In December, Surat Thani, Thailand, experiences a tropical climate characterized by warm temperatures and significant rainfall. The maximum temperature hovers around 32°C (89°F), while the average temperature is a comfortable 27°C (80°F), and the minimum can dip to 23°C (75°F). However, December is also marked by high humidity, reaching 83%, which can make the air feel warmer than it is. Rainfall is substantial, with 197 mm (7.8 in) over approximately 20 days, contributing to the lush landscapes of the region. This combination of warmth and moisture draws visitors seeking a vibrant tropical experience, albeit with the occasional shower.

December Temperature in Surat Thani

In December, Surat Thani, Thailand, offers a delightful reprieve as temperatures begin to cool slightly, with minimums around 23°C (75°F) and averages settling at 27°C (80°F). The maximum temperatures flirt with 32°C (89°F), making it a comfortable month for outdoor exploration and enjoying the region's natural beauty. As the year closes, this pattern showcases a trend towards milder weather when compared to the hotter months of April and May, which peak at 36°C (97°F). Travelers can revel in pleasant conditions, making December an ideal time to visit this enchanting destination.

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

The chart illustrates December 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, December 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.

December Precipitation in Surat Thani

In December, Surat Thani experiences a significant drop in precipitation from the heights of the rainy season. With 197 mm (7.8 inches) of rain falling over 20 days, the month sees a blend of sporadic showers that offer a refreshing reprieve as the year winds down. This contrasts sharply with the torrential rains of November, where 317 mm (12.5 inches) poured over 26 days. The transition highlights a gradual easing of the monsoon, as December serves as a bridge to the drier months ahead. As locals prepare for the festive season, the rains contribute to lush landscapes while keeping the humidity at bay, creating a pleasant atmosphere for both residents and visitors alike.

December Precipitation Trends in Surat Thani

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

December Humidity in Surat Thani

In December, Surat Thani experiences a notable decline in humidity compared to the peak levels of the previous months, with readings at 83%. This marks a slight drop from an 88% high in August, indicating the start of a gradual decrease as the year comes to a close. Following the trend of increased humidity throughout the wet season, characterized by figures soaring above 85% from June to November, December offers a welcome respite while still maintaining a relatively high moisture level. The month captures the essence of Thailand's tropical climate, balancing warmth and humidity, and making it a unique time to explore the area's lush landscapes and vibrant culture.

December Average Humidity in Surat Thani

This chart illustrates the average monthly humidity levels in Surat Thani, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Surat Thani

In Surat Thani, Thailand, December continues a trend of extreme sun exposure, maintaining a UV Index of 11, which allows for just 10 minutes of unprotected sun exposure before the risk of burns escalates. This reflects a slight dip from the peak values observed in the earlier months; however, it still reinforces the overall pattern of elevated UV levels throughout the year. Notably, the UV Index has remained high from January through November, with early months like March and April showing a staggering 15. As December arrives, while the index reduces, precautions remain crucial for anyone curious about exploring the tropical beauty of the region. For up-to-date information on UV levels, visit Surat Thani UV Index.

Maximum UV Index Levels in Surat Thani for December

The chart shows the monthly maximum UV Index (UVI) for Surat Thani in December, 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 December, the maximum UV index in Surat Thani typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151413131414141211
Data source: Surat Thani December 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.

December Sunshine in Surat Thani

In December, Surat Thani, Thailand, experiences a delightful 288 hours of sunshine, wrapping up the year with a warm glow that sets the stage for the bustling New Year celebrations. As the month unfolds, it retains a consistent brightness similar to the preceding months, notably showing a slight dip from the sun-soaked peak in March, which boasts an impressive 344 hours. This month's sunshine overlaps with the transition into the cool season, offering residents and visitors a perfect backdrop for outdoor adventures. Notably, December holds its own against November's totals while outshining the earlier months of the year, creating a vibrant atmosphere ideal for exploring the region's stunning landscapes.

Monthly Sunshine Duration in Surat Thani: December Highlighted

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

Chance of Sun in Surat Thani During December

In Surat Thani, Thailand, the likelihood of sunny weather in December stands at a moderate 35%, offering a refreshing break as the year draws to a close. This marks a notable uptick from the preceding months, which typically see a significant drop in sunshine, with November recording only a 6% chance. While December's outlook may not promise relentless sun, it offers a glimmer of hope compared to the rainy season, which dominates much of the preceding year. As the first month of winter approaches, travelers might find December to be a delightful opportunity for outdoor adventures amidst scattered showers and clearer skies.

Percentage of Sunny Days in December in Surat Thani

The chart illustrates the percentage of sunny days in Surat Thani throughout the year, with December 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 December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Surat Thani in December

As December arrives in Surat Thani, Thailand, the daylight duration settles at 11 hours, mirroring the shorter days of January and February. This rhythm reflects a consistent seasonal pattern, where the daylight ebbs and flows throughout the year. From March to August, residents and visitors enjoy a generous 12 hours of sunshine, perfect for exploring the region's lush landscapes and vibrant culture. However, as the year winds down, daylight retreats, returning to 11 hours in both October and November before sustaining this duration into December. This gradual adjustment to shorter days heralds the transition into the cooler months, inviting everyone to embrace the charm of evening skies and a cozy atmosphere.

Average Daylight Hours in Surat Thani for December

The chart illustrates the variation in daylight duration in Surat Thani throughout the year, with December 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.

December Winds in Surat Thani

As December arrives in Surat Thani, Thailand, the wind begins to dance with a refreshing vigor, averaging 4.0 m/s (9 mph)—the highest speed of the year. This uptick in wind velocity contrasts sharply with the calmer months earlier in the year, where speeds dwindled as low as 2.1 m/s (5 mph) in April. The gradual increase from November’s 2.9 m/s (7 mph) to December’s brisk flow suggests a seasonal shift, ushering in a more energetic atmosphere perfect for outdoor activities. This December breeze not only enhances the vibrant charm of Surat Thani but also signifies a time when nature’s breath invigorates the landscape, making it an ideal month for exploration.

Average December Wind Speed in Surat Thani

The chart displays monthly wind speed patterns in Surat Thani, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.62.92.92.12.53.03.33.02.42.62.94.0 m/s
Data source: Surat Thani December wind data, generated using information from the Copernicus Climate Change Service.

How December 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 December’s weather to other months in Surat Thani, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather in Surat Thani is warm and humid, with average temperatures ranging from a minimum of 23°C (75°F) to a maximum of 32°C (89°F). The month experiences significant rainfall, accumulating 197 mm (7.8 inches) over 20 days, leading to a humidity level of 83%. In contrast, January sees a similar temperature range, with minimums at 23°C (74°F) and maximums reaching 32°C (90°F), but the precipitation drops to 137 mm (5.4 inches) over just 13 days, resulting in a lower humidity of 72%. For more detailed weather information, you can visit Surat Thani weather in January.

December and February in Surat Thani present contrasting weather patterns. In December, temperatures range from a minimum of 23°C (75°F) to a maximum of 32°C (89°F), with an average of 27°C (80°F). This month also experiences significant rainfall, accumulating 197 mm (7.8 in) over 20 days and a higher humidity of 83%. In contrast, February offers slightly cooler nights with a minimum temperature of 21°C (71°F) and can reach up to 33°C (92°F) during the day. Rainfall drastically reduces to only 28 mm (1.1 in) over just 6 days, and humidity drops to a more comfortable 68%. For a closer look at February weather specifics, check out Surat Thani weather in February.

December and March in Surat Thani present contrasting weather patterns. In December, temperatures range from a minimum of 23°C (75°F) to a maximum of 32°C (89°F), with an average of 27°C (80°F). The month experiences significant rainfall, totaling 197 mm (7.8 in) across about 20 days, and high humidity levels at 83%. In contrast, March sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 35°C (95°F), averaging 29°C (84°F). Rainfall drops dramatically to just 38 mm (1.5 in) over 6 days, and humidity decreases to 68%. For more details on the weather during this month, you can check Surat Thani weather in March.

When comparing the weather in December and April in Surat Thani, both months exhibit warm temperatures, but with some notable differences. December experiences a slightly cooler temperature range, with a minimum of 23°C (75°F) and a maximum of 32°C (89°F), while April sees higher temperatures, peaking at a maximum of 36°C (97°F). Additionally, although December has more rainfall, averaging 197 mm (7.8 in) over 20 days, April's precipitation is slightly less at 178 mm (7.0 in) over 19 days. Humidity levels also differ, with December being more humid at 83%, compared to April's 69%. For a closer look at the specifics of April's weather, check out Surat Thani weather in April.

In December, the weather in Surat Thani is characterized by milder temperatures, with an average ranging from a minimum of 23°C (75°F) to a maximum of 32°C (89°F). This month sees substantial rainfall, with about 197 mm (7.8 in) of precipitation over 20 days, and a relatively high humidity level of 83%. In contrast, May experiences warmer conditions, with temperatures reaching a minimum of 25°C (77°F) and soaring to a maximum of 36°C (96°F). Although May has slightly less rainfall at 151 mm (5.9 in) spread over 25 days, humidity remains high at 77%. For more details on May weather, you can visit Surat Thani weather in May.

In December, the weather in Surat Thani tends to be warm with temperatures ranging from a minimum of 23°C (75°F) to a maximum of 32°C (89°F) and an average of 27°C (80°F). The month experiences a higher level of precipitation, with 197 mm (7.8 in) spread over 20 days, contributing to a humidity level of 83%.

In contrast, June sees slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (83°F), and a maximum of 34°C (94°F). However, rainfall is less abundant, totaling 117 mm (4.6 in) over 19 days, while humidity increases to 86%.

For more detailed insights about the June weather, you can check Surat Thani weather in June.

In December, the weather in Surat Thani is generally warm, with temperatures ranging from a minimum of 23°C (75°F) to a maximum of 32°C (89°F) and an average of 27°C (80°F). The month sees considerable rainfall, with precipitation totaling 197 mm (7.8 in) occurring over 20 days, contributing to high humidity levels of about 83%.

In contrast, July is slightly warmer, with temperatures fluctuating between a minimum of 25°C (76°F) and a maximum of 36°C (97°F), averaging around 28°C (83°F). While July still experiences notable rainfall, with a total of 95 mm (3.7 in) over 18 days, the humidity is marginally higher at 86%.

For more detailed information, check out Surat Thani weather in July.

When comparing the weather in December and August, we see some notable differences. December tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (75°F) to a maximum of 32°C (89°F), while August features warmer temperatures, reaching up to 35°C (95°F) with an average of 28°C (83°F). Precipitation is more pronounced in December, with a total of 197 mm (7.8 in) spread over 20 days, in contrast to August, which experiences 99 mm (3.9 in) of rain over 21 days. Additionally, humidity levels are higher in August at 88%, compared to December’s 83%. For more detailed weather insights, you can check Surat Thani weather in August.

In comparing the weather of December and September, we observe that both months feature warm temperatures, but December tends to be slightly cooler overall. In December, the temperature ranges from a minimum of 23°C (75°F) to a maximum of 32°C (89°F), with an average of 27°C (80°F). In contrast, September sees a slightly higher temperature range, with a minimum of 24°C (76°F) and a maximum of 34°C (94°F), averaging 28°C (82°F).

Moreover, December experiences greater precipitation, totaling 197 mm (7.8 in) over 20 days, compared to September's 164 mm (6.5 in) across 24 days. Humidity levels are also high in both months, with December at 83% and September at 87%. For more detailed information on September weather, you can visit Surat Thani weather in September.

When comparing the weather in December and October, December tends to be slightly warmer, with an average temperature of 27°C (80°F) compared to October's average of 27°C (81°F). However, October boasts higher maximum temperatures, reaching up to 33°C (91°F), whereas December's maximum is 32°C (89°F). Precipitation is notably more frequent in October, with 239 mm (9.4 in) over 28 days, while December sees 197 mm (7.8 in) spread across 20 days. Humidity levels remain fairly consistent between the two months, with December averaging 83% compared to October's 86%. For more detailed insights on October weather, you can visit Surat Thani weather in October.

In comparing the weather of December to November, December exhibits slightly lower minimum temperatures, averaging 23°C (75°F) compared to November's minimum of 24°C (75°F). Both months have similar average and maximum temperatures, maintaining around 27°C (80°F) and 32°C (89°F) respectively. However, December experiences significantly less precipitation, with 197 mm (7.8 in) over 20 days, while November receives a much higher 317 mm (12.5 in) across 26 days. Humidity also shows a slight decrease in December at 83%, compared to November's 87%. For further details, you can refer to Surat Thani weather in November.

Compare Surat Thani's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Surat Thani

As December rolls into Surat Thani, the weather shifts to a more moderate climate, characterized by a pleasant blend of warmth and humidity. With average temperatures slightly cooler than the sweltering peak months, this time offers a delightful escape, making it a perfect month for outdoor adventures. However, travelers should be prepared for the increased rainfall, as December sees a rise in precipitation days, ensuring the landscape remains lush and vibrant. This balance of warmth and moisture transforms Surat Thani into a picturesque destination. For a deeper understanding of how December fits into the broader climate pattern, check out Surat Thani Climate.