January Weather in That Phanom, Thailand

Last updated: August 27, 2025

In January, That Phanom, Thailand experiences a delightful climate, characterized by a maximum temperature reaching 35°C (95°F) and a comfortable average of 23°C (74°F). The month offers a refreshing escape from the heat, with rare drops to a minimum of 9°C (48°F) during cooler nights. Rainfall is minimal, totaling only 4 mm (0.1 in) over the course of just one day, allowing for ample sunshine and outdoor exploration. With an average humidity of 59%, the weather is pleasantly warm, making January an inviting time to visit and enjoy all that this charming destination has to offer.

January Temperature in That Phanom

In That Phanom, Thailand, January offers a delightful blend of cool and warm temperatures, marking the beginning of the dry season. With minimums dipping to 9°C (48°F) and maximums peaking at 35°C (95°F), the month showcases a comfortable average of 23°C (74°F). As January transitions into February, temperatures gradually rise, with lows of 12°C (53°F) and highs reaching 37°C (99°F), hinting at the coming warmth of spring. This upward trend continues through March and April, where the mercury soars, reaching peaks of 38°C (101°F) and even 40°C (104°F). By May, the weather maintains its warmth but begins to hover around a steady average of 29°C (84°F), suggesting that the sweltering summer is arriving. Observing these progressive increments underscores the tropical allure of That Phanom, making it an enticing destination as it moves deeper into the warmer months.

January Weather in That Phanom: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in That Phanom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In That Phanom, 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).
JanFebMarAprMayJunJulAugSepOctNovDec737581838484828282807773
Data source: Temperature data for That Phanom 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 That Phanom

In January, That Phanom experiences its driest month, with only 4 mm (0.1 in) of precipitation spread across just 1 day. This minimal rainfall marks the beginning of a gradual rise in precipitation as the year progresses. By February, amounts double to 10 mm (0.4 in), signaling the onset of a wetter season. The contrast becomes more pronounced in the following months, with March seeing a notable increase to 36 mm (1.4 in) and April reaching 67 mm (2.6 in). This trend continues spectacularly into the monsoon season, where rainfall peaks in July with a staggering 394 mm (15.5 in) across 26 days. The later months of the year, while still wet, begin to taper off, culminating in December’s return to dryness with only 6 mm (0.2 in) and just a single rainy day. Overall, January’s dry spell lays the foundation for a cycle of increasingly torrential rains that characterizes the region's climate.

January Precipitation Trends in That Phanom

The chart displays monthly precipitation patterns in That Phanom, 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 That Phanom, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4103667168191394351259156226
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in That Phanom

In January, That Phanom experiences a comfortable humidity level of 59%, setting the stage for a pleasant start to the year. As the month progresses into February, the humidity slightly dips to 54%, indicating a trend towards drier conditions. However, by March and April, the humidity continues to decline, reaching a low of 45% and 40% respectively, making it the driest period of the year. As the heat intensifies with the arrival of May, humidity surges back to 65%, foreshadowing the wet season. The subsequent months witness a notable increase in humidity, peaking in August at a staggering 92%, signifying the height of the monsoon. The trend of high humidity persists into the autumn months, before gradually subsiding as December closes the year at a still-humid 66%. Overall, January offers a brief respite from the region's typically elevated humidity levels, making it an ideal time to enjoy the dry and comfortable climate.

January Average Humidity in That Phanom

This chart illustrates the average monthly humidity levels in That Phanom, 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 That Phanom is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in That Phanom

In January, That Phanom experiences a UV Index of 9, placing it in the very high exposure category, with a burn time of just 15 minutes. As the months progress, the UV levels skyrocket, reaching an extreme peak of 15 in both April and July, where the burn time drops to only 10 minutes. February through October consistently showcases high UV Index values of 12 to 14, emphasizing the need for sun protection during these months. Remarkably, the UV Index begins to taper off again in November and December, returning to 9. This seasonal trend highlights the importance of vigilance against sun exposure year-round, especially when planning outdoor activities. For more detailed information, visit That Phanom UV Index.

Maximum UV Index Levels in That Phanom for January

The chart shows the monthly maximum UV Index (UVI) for That Phanom 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 That Phanom typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121415141315141412109
Data source: That Phanom 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 That Phanom

In January, the town of That Phanom, Thailand, basks in an impressive 257 hours of glorious sunshine, setting a vibrant tone for the year ahead. As winter transitions into spring, February sees an increase, with sunshine soaring to 295 hours, heralding longer, warmer days. This positive trend continues through March, peaking at 322 hours, the sunlit days inviting locals and visitors alike to revel in outdoor activities. As temperatures rise, April and May maintain a robust 315 and 305 hours respectively, ensuring that the warmth remains a cherished companion. However, a gradual decline begins in June, with 280 hours, hinting at the impending monsoon season. July brings a dip to 254 hours, and the trend of decreasing sunshine continues into the following months, culminating in August's 226 hours. Yet, as the year progresses into the latter months, sunlight gradually rebounds; September regains 274 hours, and October holds strong at 283 hours. Ultimately, the year wraps up with November’s 298 hours and December’s 311 hours, demonstrating That Phanom's resilient spirit of sunshine as it beautifully transitions through the seasons.

Monthly Sunshine Duration in That Phanom: January Highlighted

The January sunshine duration represents the total number of hours That Phanom 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.
JanFebMarAprMayJunJulAugSepOctNovDec257h295h322h315h305h280h254h226h274h283h298h311h
Data source: That Phanom January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in That Phanom During January

In That Phanom, Thailand, January boasts an impressive 80% chance of sunny weather, making it one of the brightest months of the year. This celebratory atmosphere sets the tone for February, where the likelihood of sunshine rises to 84%, continuing the trend of enjoyable, clear days. As the months progress into March, however, the chances decline to 68%, indicating a shift towards more variable weather. April and May see a significant drop, with probabilities plunging to 38% and 41%, respectively, as the region heads into the monsoon season. The decline continues through the summer months, where June and July present only 17% and 16% chances of sun, respectively. By November, there’s a recovery to 57%, offering some relief before December's 73% propels residents and visitors into a sunnier start to the new year. Overall, January stands out as a prime time for sunshine aficionados, setting a delightful precedent for the year ahead.

Percentage of Sunny Days in January in That Phanom

The chart illustrates the percentage of sunny days in That Phanom 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 That Phanom experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%68%38%41%18%16%15%18%26%57%73%
Data source: That Phanom January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in That Phanom in January

In January, That Phanom, Thailand, basks in a consistent 11 hours of daylight, a duration that remains steady into February. As the seasons transition into March, the daylight begins to extend, reaching 12 hours by mid-spring. This trend continues through April and May, maintaining a balanced 12 hours until June, when daylight peaks at 13 hours, offering longer evenings for exploration. This ample daylight persists through July before gradually tapering back down to 12 hours in August and September. By October, the light returns to 11 hours, mirroring the beginning of the year, and remains consistent through November and December. The gentle ebb and flow of daylight in This Phanom paints a picturesque cycle, inviting residents and visitors alike to relish the warm, sunlit days throughout the year.

Average Daylight Hours in That Phanom for January

The chart illustrates the variation in daylight duration in That Phanom throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 13m11h 34m12h 2m12h 30m12h 54m13h 6m13h12h 39m12h 12m11h 44m11h 19m11h 7m
Data source: That Phanom daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in That Phanom

In January, That Phanom, Thailand, welcomes the year with a refreshing average wind speed of 3.4 m/s (8 mph), setting a lively tone for the month. As winter progresses, February follows with a gentle breeze of 2.9 m/s (7 mph), hinting at a gradual decline that continues into March, where the winds soften further to 2.5 m/s (6 mph). This tranquil progression peaks again in December at 3.5 m/s (8 mph), creating a circular rhythm of wind patterns throughout the year. Notably, April and May experience the calmest winds, averaging just 2.0 m/s (4 mph) and 1.7 m/s (4 mph), suggesting a pause before the onset of the rainy season. As the months roll on, winds subtly fluctuate, yet January stands out as a vibrant, breezy month, invigorating the atmosphere of this beautiful region.

Average January Wind Speed in That Phanom

The chart displays monthly wind speed patterns in That Phanom, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.4 m/s2.92.52.01.72.62.42.31.72.23.13.5
Data source: That Phanom January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in That Phanom Compares to Other Months

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

In January, the weather in That Phanom features a minimum temperature of 9°C (48°F) and an average high of 35°C (95°F), with relatively low precipitation at just 4 mm (0.1 in) over one day. Humidity levels stand at 59%, creating a warm and generally dry atmosphere.

In contrast, February sees slightly warmer conditions, with minimum temperatures rising to 12°C (53°F) and an average high of 37°C (99°F). Although precipitation increases to 10 mm (0.4 in), it still falls on just one day, and humidity decreases slightly to 54%. This transition marks February as a month that is not only warmer but also a bit drier compared to January. For more detailed insights, you can refer to That Phanom weather in February.

In January, the weather is generally mild with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 35°C (95°F), accompanied by low precipitation of just 4 mm (0.1 in) over a single day and humidity levels at 59%. In contrast, March experiences warmer conditions, with minimum temperatures of 16°C (60°F) and highs reaching up to 38°C (101°F). The month sees significantly higher precipitation, totaling 36 mm (1.4 in) over 6 days, and lower humidity at 45%. For more detailed information about weather patterns in that region during March, visit That Phanom weather in March.

In January, the weather is relatively mild with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 35°C (95°F), offering an average of 23°C (74°F). The month experiences minimal precipitation, with only 4 mm (0.1 in) over just 1 day and a humidity level of 59%. In contrast, April brings much warmer temperatures, with a minimum of 16°C (61°F) and soaring highs of 40°C (104°F), averaging around 28°C (84°F). However, it also experiences significantly more rainfall, accumulating 67 mm (2.6 in) of precipitation across 10 days and a lower humidity level of 40%. For a more detailed look at April weather, check out That Phanom weather in April.

In January, the weather in That Phanom is generally quite warm, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 35°C (95°F) and an average of 23°C (74°F). With just 4 mm (0.1 in) of precipitation over a single day, the humidity sits at a comfortable 59%. In contrast, May experiences significantly warmer temperatures, with a minimum of 17°C (62°F) and soaring to a maximum of 39°C (103°F), averaging around 29°C (84°F). However, this month is also much wetter, receiving 168 mm (6.6 in) of rain spread over 20 days, contributing to a slightly higher humidity level of 65%. For more detailed information on the weather in May, check out That Phanom weather in May.

In comparing the weather between January and June, notable differences emerge. January experiences milder temperatures, with a minimum of 9°C (48°F) and an average high of 35°C (95°F), along with a relatively low humidity of 59%. In contrast, June sees a significant rise in temperatures, with minimums around 24°C (75°F) and maximums reaching 37°C (98°F), accompanied by much higher humidity levels at 82%. Rainfall is also drastically different; January records only 4 mm (0.1 in) of precipitation in just 1 day, whereas June experiences substantial rainfall totaling 191 mm (7.5 in) over 23 days. For more detailed information about the weather in June, visit That Phanom weather in June.

January and July in That Phanom present a striking contrast in weather conditions. January typically enjoys a mild climate, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 35°C (95°F), and very little rainfall, averaging just 4 mm over only one rainy day. In contrast, July experiences much warmer temperatures, with a minimum of 24°C (75°F) and a peak of 36°C (97°F), accompanied by substantial rainfall of 394 mm over 26 rainy days, leading to a noticeably higher humidity level of 90%. For a detailed look at July weather in That Phanom, you can check this link: That Phanom weather in July.

January and August exhibit stark contrasts in weather patterns. January experiences mild temperatures, with a minimum of 9°C (48°F) and an average of 23°C (74°F), making it generally pleasant for outdoor activities, along with low precipitation levels of just 4 mm (0.1 in) over one day and moderate humidity at 59%. In contrast, August brings significant heat with minimum temperatures around 22°C (72°F) and an average of 28°C (82°F), but it also sees a substantial increase in rainfall—351 mm (13.8 in) over 28 days—resulting in high humidity levels reaching 92%. For further details on August weather in this region, visit That Phanom weather in August.

January and September present quite a contrast in weather. January enjoys warmer temperatures, with daily averages ranging from a pleasant 9°C (48°F) at night to a maximum of 35°C (95°F) during the day, while maintaining low precipitation at just 4 mm (0.1 in) over a single day. In contrast, September sees much milder minimum temperatures starting at 22°C (72°F) and averaging 28°C (82°F), yet experiences significant rainfall, with 259 mm (10.2 in) over an average of 24 days and higher humidity at 86%. For more detailed insights, check That Phanom weather in September.

In January, the weather is typically warmer with an average temperature of 23°C (74°F) and a lower humidity of 59%. The month sees minimal precipitation, with only about 4 mm (0.1 in) falling over just a day. In contrast, October experiences a noticeable increase in humidity at 80% and a higher average temperature of 27°C (80°F). However, it also brings significant rainfall, accumulating 156 mm (6.1 in) over 13 days. For more details on the weather patterns during this month, you can check this link: That Phanom weather in October.

In January, the weather is characterized by lower temperatures, with a minimum of 9°C (48°F) and an average of 23°C (74°F), peaking at 35°C (95°F). It experiences minimal precipitation, with just 4 mm (0.1 in) over one day and a humidity level of 59%. In contrast, November sees warmer temperatures, with a minimum of 16°C (61°F) and an average of 25°C (78°F), reaching up to a maximum of 36°C (97°F). This month also has increased rainfall, totaling 22 mm (0.9 in) across three days, accompanied by higher humidity at 72%. For a detailed look at the weather conditions in November, check out That Phanom weather in November.

In January, the weather remains quite warm, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 35°C (95°F), while December is slightly cooler with temperatures between 10°C (50°F) and 35°C (95°F). Both months experience minimal rainfall, but January receives slightly less, with only 4 mm (0.1 in) compared to December's 6 mm (0.2 in). Humidity levels are also a bit lower in January at 59%, compared to December's 66%. For more details on December weather, you can check That Phanom weather in December.

Compare That Phanom's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in That Phanom

January in That Phanom presents a delightful respite compared to the more intense heat of other months, boasting warm daytime temperatures that are comfortably milder. With an average temperature of 23°C (74°F), it’s an ideal time to explore the area without the suffocating humidity typically experienced in the summer months. Additionally, the month sees minimal rainfall, allowing for nearly uninterrupted sunshine. The slight, refreshing drop in temperature at night encourages visitors to bask in the pleasant evenings. Overall, January’s unique weather makes it a prime time for outdoor activities and cultural exploration. For more insights on the weather patterns throughout the year, check out That Phanom Climate.