January Weather in Ranong, Thailand

Last updated: August 27, 2025

In January, Ranong, Thailand, offers a warm tropical climate with maximum temperatures reaching 33°C (92°F) and an average of 26°C (79°F), while evenings cool down to a pleasant 20°C (68°F). Visitors should be prepared for moderate rainfall, accumulating around 132 mm (5.2 in) over approximately 10 days, contributing to the region's lush greenery. With an average humidity of 72%, January in Ranong provides a unique blend of warmth and moisture, making it an ideal time for exploring the natural beauty and vibrant culture of this Thai gem.

January Temperature in Ranong

In January, Ranong, Thailand, experiences a delightful blend of warm temperatures, making it a perfect month for exploring this coastal gem. The minimum temperature hovers around 20°C (68°F), while the average settles at a comfortable 26°C (79°F), peaking at a maximum of 33°C (92°F). As the month progresses into February, the warmth continues to rise slightly, with minimums dropping to 19°C (66°F) and maximums reaching 34°C (94°F), marking an upward trend in temperature that foreshadows the approaching heat of spring. Compared to the following months, January’s mild climate stands out, as temperatures gradually escalate into the sweltering heights of March and April, demonstrating Ranong's status as a tropical paradise where balmy days and balmy nights await those seeking adventure and relaxation alike.

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

The chart illustrates January temperature patterns in Ranong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ranong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec798082818180807979797978
Data source: Temperature data for Ranong 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 Ranong

In January, Ranong, Thailand, experiences significant rainfall, with an average precipitation of 132 mm (5.2 in) over about 10 days. This marks a notable contrast to the drier conditions in February with only 24 mm (0.9 in) and 6 days of rain. As the year progresses, rainfall begins to increase dramatically, peaking in May with 314 mm (12.4 in), followed closely by the monsoon months of June through September, where rainfall consistently surpasses 250 mm. The overall trend highlights a clear shift from January's moderate wetness to the intense rains that characterize the latter half of the year, resulting in a vibrant, lush landscape as the region transitions into its tropical monsoon climate.

January Precipitation Trends in Ranong

The chart displays monthly precipitation patterns in Ranong, 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 Ranong, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1332455233314276263300392366244119
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Ranong

In January, Ranong, Thailand experiences a humidity level of 72%, setting the stage for a transition into the warmer months. This moderate moisture level gives way to a slight dip in February and March, where humidity settles at 68%, suggesting a brief respite. However, as April approaches, conditions start to shift again, climbing to 69%. The warmth of May ramps up humidity to 77%, foreshadowing the peak of the monsoon season. By June, humidity levels soar to an impressive 86%, remaining consistently high through August, reaching a peak of 88%. As the year winds down, humidity gradually decreases, but still remains considerable, with levels of 83% in December. This trend illustrates Ranong's transition from a relatively dry start to an intensely humid climate as the year progresses.

January Average Humidity in Ranong

This chart illustrates the average monthly humidity levels in Ranong, 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 Ranong 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 Ranong

In January, Ranong, Thailand, experiences a high UV Index of 11, categorized as extreme, indicating a maximum burn time of just 10 minutes. This trend of extreme UV exposure persists throughout the year, with February peaking at 14 and March and April reaching 15—the highest readings on the scale. Although the UV Index slightly decreases to 12 in November and dips back to 11 in December, the majority of the year maintains a consistent level of extreme UV risk. Travelers and locals alike should remain vigilant and take necessary precautions against sun damage year-round. For more detailed information, visit Ranong UV Index.

Maximum UV Index Levels in Ranong for January

The chart shows the monthly maximum UV Index (UVI) for Ranong 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 Ranong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111415151414141414141211
Data source: Ranong 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 Ranong

In January, Ranong, Thailand, basks in 249 hours of sunshine, marking the start of the year with a gentle, pleasant glow. As the months progress, the sun becomes more generous, peaking in March with an impressive 345 hours. This vibrant increase in daylight signals the transition into the warmer season, where April and May maintain a healthy light count of over 300 hours each. However, as June approaches, the sunshine retreats slightly to 287 hours, reflecting the onset of the rainy season. While the sun continues to shine through the summer months, the hours gradually decline, with a notable dip in September (264 hours). As October and the remaining months arrive, sunshine hours rebound slightly, showcasing a charming cycle of light and warmth in Ranong, inviting visitors to enjoy its serene beauty throughout the year.

Monthly Sunshine Duration in Ranong: January Highlighted

The January sunshine duration represents the total number of hours Ranong 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.
JanFebMarAprMayJunJulAugSepOctNovDec249h308h345h314h305h287h297h284h264h275h288h307h
Data source: Ranong January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ranong During January

January in Ranong, Thailand, offers a 38% chance of sunny weather, marking a gentle start to the year. This percentage reveals an interesting trend: as January transitions into February, the likelihood of sun significantly increases to 52%, suggesting more favorable conditions just around the corner. However, as the year progresses into the warmer months, the chance of clear skies starts to dwindle, plummeting to just 19% in April and even lower during the monsoon season. Notably, the chances of sunshine remain quite low from May through August, revealing a stark contrast with the early part of the year. Hence, if you’re seeking sun-soaked days, January stands out as a promising choice in Ranong's seasonal cycle.

Percentage of Sunny Days in January in Ranong

The chart illustrates the percentage of sunny days in Ranong 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 Ranong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%48%19%18%14%11%5%8%8%8%42%
Data source: Ranong January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ranong in January

In Ranong, Thailand, January welcomes a steady 11 hours of daylight, a consistent offering that harmonizes with February's light. As spring approaches in March, daylight begins to stretch to 12 hours, a duration that holds firm through the summer months of April to September. This stable daylight pattern fosters an inviting environment for outdoor activities and exploration. As the year winds down, daylight once again dips to 11 hours in October, continuing this trend through November and December. The rhythmic shift between 11 and 12 hours of daylight reflects the gentle changes of the tropical climate, creating a predictable yet delightful annual cycle for residents and visitors alike.

Average Daylight Hours in Ranong for January

The chart illustrates the variation in daylight duration in Ranong throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 38m11h 31m
Data source: Ranong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Ranong

In January, the wind in Ranong, Thailand begins to stir gently, with an average speed of 3.1 m/s (7 mph). This month marks the start of a gradual transition, as winds tend to be stronger compared to the subsequent months. After January, wind speeds dip slightly in February and March, reaching their lowest in April at 1.9 m/s (4 mph), before a subtle resurgence in June. Interestingly, the trend picks up again in July, with winds revitalizing at 3.3 m/s (7 mph), just before the monsoon season. As the year progresses into the cooler months, January's breezy charm echoes through December, which sees a minor uptick back to 3.2 m/s (7 mph). Overall, January serves as a refreshing start to the year, with wind patterns reflecting a dynamic rhythm throughout the seasons.

Average January Wind Speed in Ranong

The chart displays monthly wind speed patterns in Ranong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.1 m/s2.52.31.92.12.93.32.92.52.62.43.2
Data source: Ranong January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Ranong Compares to Other Months

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

In comparing the weather of January and February, January typically features a slightly cooler climate with minimum temperatures around 20°C (68°F) and maximums reaching up to 33°C (92°F). It also experiences higher precipitation, averaging 132 mm (5.2 in) over about 10 days, along with a humidity level of 72%. In contrast, February offers warmer temperatures, with a minimum of 19°C (66°F) and maximums peaking at 34°C (94°F). February is notably drier, with only 24 mm (0.9 in) of precipitation over approximately 6 days and a lower humidity of 68%. For more detailed insights, you can explore Ranong weather in February.

In January, the weather is slightly cooler with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F). This month also experiences higher precipitation, with 132 mm (5.2 in) of rain over 10 days, and humidity levels at 72%. In contrast, March sees warmer conditions, with average temperatures rising to between 20°C (68°F) and a maximum of 36°C (97°F). Rainfall decreases significantly, totaling 55 mm (2.2 in) over 9 days, and humidity dips slightly to 68%. For a detailed look at the weather during this month, you can check Ranong weather in March.

January and April offer distinct weather patterns, reflective of the changing seasons. In January, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F). The month is characterized by 10 days of precipitation totaling 132 mm (5.2 in), coupled with a humidity level of 72%. In contrast, April features a warmer climate, with temperatures ranging from a minimum of 22°C (72°F) to a soaring maximum of 37°C (99°F) and an average of 27°C (82°F). However, it also experiences a significant increase in precipitation, with 233 mm (9.2 in) over 24 days and a slightly lower humidity of 69%. For a deeper insight into the weather during this month, you can check Ranong weather in April.

In January, the weather is generally warm with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F) and an average of 26°C (79°F). The month sees a moderate amount of rainfall, totaling 132 mm (5.2 in) across about 10 days, with humidity levels around 72%. In contrast, May brings even warmer temperatures, with a minimum of 23°C (73°F) and soaring maximums reaching up to 36°C (97°F), averaging 27°C (81°F). However, May experiences significantly more rainfall, accumulating 314 mm (12.4 in) over approximately 28 days, along with slightly higher humidity at 77%. For more details on the weather in May, you can visit Ranong weather in May.

When comparing the weather in January and June, notable differences emerge in temperature and precipitation patterns. In January, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (92°F), with an average of 26°C (79°F) and relatively moderate humidity at 72%. However, January experiences about 132 mm (5.2 in) of precipitation over 10 days. In contrast, June sees slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), but the humidity increases to 86%. Additionally, June is much wetter, receiving a hefty 276 mm (10.9 in) of precipitation over 26 days. For more specifics on June's weather, you can refer to Ranong weather in June.

In January, the weather in Ranong is warm, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F) and an average of 26°C (79°F). The humidity stands at 72%, and there are about 10 days of precipitation, totaling around 132 mm (5.2 in). In contrast, July sees slightly higher minimum temperatures at 23°C (73°F) and an average temperature that remains similar at 26°C (80°F). However, it experiences significantly increased precipitation, with a total of 263 mm (10.4 in) spread over 28 days, and higher humidity at 86%. For a more detailed look at the weather conditions, Ranong weather in July provides additional information.

In January, the weather is warm with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F), accompanied by moderate precipitation of 132 mm (5.2 in) over approximately 10 days and a humidity level of 72%. In contrast, August sees slightly higher minimum temperatures of 23°C (73°F) while maintaining the same average maximum of 33°C (91°F). However, it experiences significantly heavier rainfall, with 300 mm (11.8 in) spread over 27 days and increased humidity at 88%. This noticeable difference in precipitation and humidity makes August feel much wetter than January. For more details, you can check Ranong weather in August.

In January, the weather features warm temperatures with a minimum of 20°C (68°F) and a maximum of 33°C (92°F), along with an average temperature of 26°C (79°F). The month sees about 132 mm (5.2 in) of precipitation over approximately 10 days, with humidity levels around 72%. In contrast, September has slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 34°C (93°F), maintaining the same average of 26°C (79°F). However, it experiences significantly higher rainfall, with 392 mm (15.4 in) spread over 27 days and humidity that increases to 87%. This marked difference in precipitation and humidity makes September much wetter and more humid compared to January. For more detailed information, you can refer to Ranong weather in September.

In January, the weather in Ranong is generally warm, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F). It experiences moderate precipitation, averaging 132 mm (5.2 in) over about 10 days, with humidity around 72%. In contrast, October sees slightly higher minimum temperatures of 22°C (73°F), while maintaining the same average and maximum temperatures. However, October is significantly wetter, with a total precipitation of 366 mm (14.4 in) spread over 29 days and higher humidity levels at 86%. For more details on the October climate, check out Ranong weather in October.

In comparing the weather between January and November, both months exhibit similar average temperatures, with January seeing a minimum of 20°C (68°F) and a maximum of 33°C (92°F), while November has a slightly higher minimum of 21°C (70°F) and a similar maximum of 33°C (91°F). However, November is significantly wetter, receiving 244 mm (9.6 in) of precipitation over 24 days compared to January's 132 mm (5.2 in) over just 10 days. Additionally, humidity levels are higher in November at 87%, compared to January's 72%. For more details on the November climate, you can visit Ranong weather in November.

In January, the weather remains notably warm with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F), slightly higher than December's averages of 20°C (68°F) to 32°C (90°F). While both months experience significant humidity, January's humidity level is a bit lower at 72%, compared to December's 83%. Rainfall is also less frequent in January, with approximately 132 mm (5.2 in) of precipitation over 10 days, as opposed to December's 118 mm (4.7 in) spread over 14 days. For more detailed insights on December weather, you can check out Ranong weather in December.

Compare Ranong's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Ranong

In January, Ranong showcases a delightful climate, different from the more intense heat and humidity experienced in other months. With average temperatures around 26°C (79°F) and maximums peaking at 33°C (92°F), it's a comfortable time of year, perfect for outdoor activities. While you'll experience some rain, with about 132 mm (5.2 in) over 10 days, this is a welcome relief compared to the heavier downpours of the monsoon season. The humidity remains at a manageable 72%, making January an excellent choice for travelers seeking to explore Ranong's lush landscapes. For more insights into what you can expect throughout the year, check out the detailed information on Ranong Climate.