January Weather in Pattaya, Thailand

Last updated: August 27, 2025

Experience the vibrant weather of Pattaya, Thailand in January, where the average temperature hovers around a pleasant 27°C (81°F). Daytime highs can reach a sizzling 34°C (93°F), perfect for outdoor adventures, while nighttime lows dip to a refreshing 17°C (62°F). With an average humidity of 59%, the tropical atmosphere is warm but comfortable. Visitors should be prepared for sporadic rain, as precipitation totals about 35 mm (1.4 in) over roughly 5 days. Whether basking in the sun or enjoying the cooler evenings, January offers a delightful escape in this bustling coastal city.

January Temperature in Pattaya

In Pattaya, Thailand, January offers an inviting climate that sets the tone for the year ahead. With nighttime temperatures dipping to a comfortable 17°C (62°F), the days warm up to an average of 27°C (81°F), reaching highs of 34°C (93°F). This month marks the start of a gradual warmth increase, as February sees a slight rise in minimum temperatures while maintaining a steady average and maximum. As the months progress into March and April, temperatures continue to climb, with April hitting its peak at 35°C (96°F). The pattern shifts subtly in May, where maximums soar to 36°C (97°F), introducing the sizzling summer. Notably, the temperatures in Pattaya remain relatively stable, fluctuating between 29°C (84°F) and 35°C (95°F) throughout the hotter months, culminating in a warm tropical experience that beautifully bridges the transition from mild to sultry.

January Weather in Pattaya: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Pattaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pattaya, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808184848585848483828280
Data source: Temperature data for Pattaya 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 Pattaya

In January, Pattaya, Thailand experiences relatively low precipitation with only 35 mm (1.4 in) of rain falling over an average of 5 days. This marks the beginning of the dry season, as rainfall tends to increase notably in the following months. As February approaches, precipitation slightly declines to 32 mm (1.2 in), reinforcing the dry, sunny conditions ideal for tourists. However, the transition into the wet season becomes evident in March, where rainfall jumps to 64 mm (2.5 in) over 10 days, signaling a gradual uptick in humidity and moisture. This pattern continues into the coming months, with April and May showing significantly heavier rainfalls of 120 mm (4.7 in) and 166 mm (6.5 in), respectively. Consequently, January stands out as an inviting time for visitors seeking to enjoy the sunny beaches before the tropical downpours set in.

January Precipitation Trends in Pattaya

The chart displays monthly precipitation patterns in Pattaya, 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 Pattaya, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3532641201661301811802762337333
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Pattaya

In January, Pattaya experiences a comfortable humidity level of 59%, making it a pleasant time to enjoy the region's stunning beaches and vibrant nightlife. As the month transitions into February, humidity remains low at 58%, keeping the atmosphere fresh. However, as spring approaches, humidity begins to rise, reaching 61% in March and accelerating dramatically in the following months. By April, the level surges to 70% and continues to soar through the rainy season, hitting a peak of 88% in August. The trend clearly indicates that while early months offer a reprieve from the oppressive moisture, the latter half of the year becomes increasingly humid, providing unique challenges and experiences for both residents and visitors alike. As the year comes to a close, December's humidity of 70% brings a slightly cooler respite, hinting at the cyclical nature of Pattaya's tropical climate.

January Average Humidity in Pattaya

This chart illustrates the average monthly humidity levels in Pattaya, 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 Pattaya is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%61%70%80%85%86%88%87%83%78%70%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Pattaya

In January, Pattaya, Thailand experiences a UV Index of 10, signifying very high exposure levels, with a burn time of just 15 minutes. This marks the beginning of a gradual and significant increase in UV intensity, as the months progress into February through August, where the index reaches an extreme 14 and the burn time drops to a mere 10 minutes. Such extreme conditions highlight the need for careful sun protection during these peak months. As the year winds down in November and December, the UV Index slightly decreases to 10 and 9 respectively, returning to a very high exposure category but allowing for a bit more time under the sun before burning. It's essential for sun enthusiasts and beachgoers to remain vigilant during these months. For more detailed information on UV exposure in this vibrant coastal city, check out Pattaya UV Index.

Maximum UV Index Levels in Pattaya for January

The chart shows the monthly maximum UV Index (UVI) for Pattaya 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 Pattaya typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414141314141313109
Data source: Pattaya 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 Pattaya

In Pattaya, Thailand, January greets visitors with an impressive 252 hours of sunshine, setting a bright tone for the new year. As the months progress, the city basks in increasingly radiant days, peaking in March with a remarkable 336 hours of sunlight. This sunny trend dips slightly in April and May but maintains an admirable average, offering a fantastic balance for beachgoers and sun seekers. Interestingly, the sunshine hours begin a gradual decline in the warmer summer months, with July and August sharing 287 hours each. However, the delightful sunshine returns in the fall, creating a picturesque backdrop for festivities and exploration, as hours climb again to 317 in December. This seasonal pattern ensures that whether you're lounging under the sun or venturing into vibrant local culture, Pattaya’s light-filled days set the stage for unforgettable experiences year-round.

Monthly Sunshine Duration in Pattaya: January Highlighted

The January sunshine duration represents the total number of hours Pattaya 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.
JanFebMarAprMayJunJulAugSepOctNovDec252h298h336h321h322h305h287h287h267h284h298h317h
Data source: Pattaya January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pattaya During January

In Pattaya, Thailand, the vibes of sunny weather are particularly promising in January, with a 55% chance of sun. This sets the tone for the month ahead, as it transitions smoothly into February, which boasts an even higher 69% likelihood of sunny days. However, as the year rolls on into the hotter months, that probability takes a noticeable dip, plunging to just 17% by April and remaining quite low through the summer. After a dull and rainy stretch, the sun starts to make its presence felt again come December, wrapping up the year with a solid 57% chance of sunshine. This pattern indicates that while January offers a bright start to the year, the sun's frequency ebbs and flows significantly as the seasons change.

Percentage of Sunny Days in January in Pattaya

The chart illustrates the percentage of sunny days in Pattaya 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 Pattaya experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%69%52%17%31%18%12%9%8%11%22%57%
Data source: Pattaya January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pattaya in January

In Pattaya, Thailand, January marks the beginning of a steady daylight pattern, offering 11 hours of sunshine that invites both locals and tourists to soak in the vibrant atmosphere. This duration remains consistent through February, creating a seamless transition into the early months of the year. As spring approaches in March, daylight increases to 12 hours, a trend that continues through the summer and well into autumn, providing an abundance of natural light for outdoor activities. By October, daylight begins to taper off again, returning to 11 hours and wrapping up the year with shorter days from November to December. This smooth fluctuation in daylight not only enhances the tropical experience but also encourages a lively, sun-filled lifestyle throughout the seasons.

Average Daylight Hours in Pattaya for January

The chart illustrates the variation in daylight duration in Pattaya throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 26m11h 42m12h 3m12h 24m12h 42m12h 51m12h 47m12h 31m12h 10m11h 49m11h 31m11h 21m
Data source: Pattaya daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Pattaya

As we embrace January in Pattaya, Thailand, the gentle average wind speed settles at a refreshing 2.9 m/s (7 mph), setting the perfect backdrop for beachgoers and outdoor enthusiasts alike. Following the windy yet temperate December, January's breeze brings a pleasant chill that contrasts beautifully with the tropical warmth. This slight uptick in wind speed compared to February’s 2.4 m/s suggests a delightful transition that invites leisurely strolls along the coast. As the months progress, the winds exhibit subtle fluctuations, with June and July reaching a peak of 3.2 m/s, while the summer months of April and May reveal softer breezes. Overall, January serves as a bridge, balancing between the invigorating winds of winter and the calmer, sultry tropical days ahead.

Average January Wind Speed in Pattaya

The chart displays monthly wind speed patterns in Pattaya, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.9 m/s2.42.71.92.43.23.22.92.22.52.83.2
Data source: Pattaya January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Pattaya Compares to Other Months

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

In comparing the weather of January and February, both months experience warm temperatures, but February sees a slight increase in the minimum temperature, rising from 17°C (62°F) in January to 19°C (66°F). The average temperature remains nearly constant at around 27°C (81°F). Notably, while January records 35 mm (1.4 in) of precipitation over 5 days, February's rainfall is slightly less at 32 mm (1.2 in) but occurs over one more day. Humidity levels are comparable, with January at 59% and February slightly lower at 58%. For more details, you can check Pattaya weather in February.

In January, the weather in Pattaya is characterized by a mild range of temperatures, with a minimum of 17°C (62°F) and an average of 27°C (81°F), reaching a maximum of 34°C (93°F). The month sees relatively low precipitation, with about 35 mm (1.4 in) over approximately 5 days, accompanied by moderate humidity at 59%. Conversely, March experiences warmer conditions, with temperatures ranging from a minimum of 22°C (73°F) to an average of 29°C (84°F), mirroring the maximum temperature of 34°C (94°F) from January. However, March has higher precipitation, totaling 64 mm (2.5 in) over 10 days, and slightly increased humidity at 61%. For a detailed look at March weather, visit Pattaya weather in March.

January and April exhibit notable differences in weather patterns. In January, the temperatures range from a minimum of 17°C (62°F) to a maximum of 34°C (93°F), with an average of 27°C (81°F). The month experiences relatively low precipitation at 35 mm (1.4 in) over about 5 days, coupled with a humidity level of 59%. In contrast, April sees slightly warmer conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 35°C (96°F), averaging 29°C (85°F). However, this month also brings increased rainfall, accumulating 120 mm (4.7 in) over 17 days, along with higher humidity at 70%. For more detailed information, check out Pattaya weather in April.

In January, Pattaya experiences milder weather with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 34°C (93°F). The month sees relatively low precipitation of 35 mm (1.4 in) over just 5 days, along with a humidity level of 59%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 22°C (72°F) to a high of 36°C (97°F). However, it also experiences significantly higher rainfall, accumulating 166 mm (6.5 in) over 22 days, and increased humidity at 80%. For a more detailed look at May weather, you can check out Pattaya weather in May.

In January, the weather is relatively warm with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 34°C (93°F), averaging around 27°C (81°F). During this month, there is moderate rainfall of about 35 mm (1.4 in) spread over 5 days, accompanied by a humidity level of 59%. In contrast, June sees a significant increase in warmth and humidity, with minimum temperatures rising to 25°C (78°F) and maximums reaching up to 35°C (95°F), while the average temperature is slightly higher at 29°C (85°F). However, June experiences much heavier rainfall, receiving 130 mm (5.1 in) over 23 days, resulting in a humidity level of 85%. For more detailed information, you can check Pattaya weather in June.

In January, the weather is generally mild, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 34°C (93°F), averaging around 27°C (81°F). This month experiences relatively low precipitation, with only 35 mm (1.4 in) and about 5 days of rain, alongside a humidity level of 59%. In contrast, July sees warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 35°C (95°F), averaging 29°C (84°F). However, July is significantly wetter, with 181 mm (7.1 in) of rainfall spread over 26 days, and the humidity rises to a high of 86%. For more detailed information, check out Pattaya weather in July.

Comparing the weather in January and August reveals distinct seasonal characteristics. In January, temperatures range from a mild minimum of 17°C (62°F) to a comfortable average of 27°C (81°F), peaking at a warm 34°C (93°F). The month experiences relatively low precipitation, with about 35 mm (1.4 in) falling over just 5 days, and humidity levels at 59%, resulting in a pleasant, dry climate.

In contrast, August brings higher minimum temperatures starting at 24°C (76°F) and an average of 29°C (84°F), with a maximum reaching 35°C (95°F). However, this month is characterized by significantly heavier rainfall, totaling 180 mm (7.1 in) across 24 days, and humidity levels soar to 88%, creating a much wetter and muggier atmosphere. For more details, check out Pattaya weather in August.

In January, the weather is warm with minimum temperatures around 17°C (62°F) and an average of 27°C (81°F), peaking at 34°C (93°F). The month experiences relatively low precipitation, with about 35 mm (1.4 in) over just 5 days and a humidity level of 59%. In contrast, September brings higher minimum temperatures of 25°C (77°F) and a slightly warmer average of 28°C (83°F), while still reaching the same maximum of 34°C (93°F). However, September is marked by significantly increased rainfall, totaling 276 mm (10.8 in) across 26 days, alongside a much higher humidity level of 87%. For more detailed insights into this month, check out Pattaya weather in September.

January weather in Pattaya is characterized by warm temperatures, with a minimum of 17°C (62°F) and an average of 27°C (81°F), generally culminating in a maximum of 34°C (93°F). The month experiences moderate rainfall, with about 35 mm (1.4 in) of precipitation spread over 5 days and a humidity level of 59%.

In contrast, October sees slightly warmer minimum temperatures at 23°C (73°F) and a comparable average of 28°C (83°F), with the maximum still reaching 34°C (93°F). However, it is significantly wetter, with 233 mm (9.2 in) of rain over 25 days and high humidity levels at 83%. This striking difference in rainfall and humidity makes October a much more humid and rainy month compared to the drier and more comfortable conditions of January. For more details, you can check out this link: Pattaya weather in October.

In January, Pattaya experiences mild temperatures with a minimum of 17°C (62°F) and an average high of 34°C (93°F), complemented by relatively light precipitation of 35 mm (1.4 in) over about 5 days. Conversely, November sees warmer minimum temperatures starting at 22°C (72°F) and maintains an average high similar to January's, but with increased humidity at 78% and nearly double the precipitation at 73 mm (2.9 in) across 11 days. This makes November a notably wetter and more humid month compared to January. For more insights, check out Pattaya weather in November.

In comparing the weather of January and December, both months showcase similar temperature ranges, with January having a minimum of 17°C (62°F) and December slightly cooler at 16°C (61°F). The average temperatures remain consistent at 27°C (81°F), with highs reaching 34°C (93°F) in both months. However, January experiences a slightly higher precipitation of 35 mm (1.4 in) over about 5 days, compared to December's 33 mm (1.3 in) over 4 days. Additionally, January has a lower humidity level of 59%, in contrast to December's higher humidity of 70%. For a more detailed look at December weather in Pattaya, visit Pattaya weather in December.

Compare Pattaya's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Pattaya

In January, Pattaya enjoys a delightful respite from the heat, with average temperatures hovering around a comfortable 27°C (81°F). This month stands out as cooler compared to the sweltering summer months, refreshing visitors with pleasant days and a modest 35 mm of rain over just 5 days. The relatively lower humidity level of 59% enhances the overall experience, making it an ideal time for outdoor adventures and beach activities. For those keen on understanding the broader patterns that influence this vibrant destination, explore more about the city's weather throughout the year at Pattaya Climate.