Last updated: August 21, 2025
January in Vientiane, Laos offers a delightful climate characterized by warm temperatures and low humidity. With a maximum temperature reaching 35°C (95°F) and an average of 24°C (75°F), visitors can enjoy pleasantly warm days. The nights can be cooler, with a minimum dipping to 10°C (51°F), providing a refreshing break. Rainfall is minimal, with only 6 mm (0.2 in) recorded over just one day, making it an ideal time for outdoor activities. Humidity levels hover around 52%, contributing to a comfortable atmosphere throughout the month.
In January, Vientiane, Laos, experiences a delightful variety of temperatures, with lows dipping to 10°C (51°F) and soaring high to 35°C (95°F) during the day. This month marks the start of the dry season, offering an average temperature of 24°C (75°F), making it a comfortable time for outdoor activities. As the month progresses into February, temperatures begin to rise, with minimums increasing to 13°C (55°F) and maximums reaching 38°C (100°F), signaling the approach of hotter weather. Overall, January serves as a refreshing transition before the heat ramps up, showcasing Vientiane’s captivating climate as it shifts into the sweltering months ahead.
In January, Vientiane experiences an exceptionally dry start to the year, with only 6 mm of precipitation recorded over just one day. This minimal rainfall sets the tone for the early months, as February sees a slight increase to 17 mm, still maintaining the low frequency of rainfall with only another day of precipitation. As the region transitions into March and onward, a noticeable upward trend emerges, with precipitation amounts steadily rising, culminating in the peak months of June and July, where nearly 331 mm falls in just 26 days. This stark contrast highlights the shift from the dry winter months to the lush, wet conditions characteristic of the monsoon season, emphasizing the dramatic change in Vientiane's climate as it moves towards the middle of the year.
In January, Vientiane, Laos, experiences a moderate humidity level of 52%, setting the tone for a gradual shift in the coming months. As the dry season continues into February, humidity slightly decreases to 49%, offering a brief respite. However, by March, the humidity drops further to a comfortable 39%, marking the driest period of the year. As temperatures rise leading into April, humidity creeps back up to 40%, signaling the transition towards the wet season. This shift becomes more pronounced in May, with humidity soaring to 69%, and reaching peak levels from June to August, where it consistently hovers between 81% and 87%. The humidity begins to recede in September and October, down to 74%, before tapering off again by November and December, ending the year with 63% and 57%. This cyclical pattern highlights the significant seasonal humidity variations that characterize Vientiane's climate.
In January, Vientiane experiences a UV Index of 9, categorizing it as very high, with a burn time of just 15 minutes. As the month progresses into February, the intensity escalates dramatically, reaching an extreme UV Index of 11. This trend continues through the following months, peaking in April and May with a relentless UV Index of 14 and a shorten burn time of only 10 minutes. From June to September, this extreme level persists, highlighting a notable trend of elevated UV exposure during the dry season, followed by a slight decline as the year wraps up. November and December return to a very high index, resembling January's conditions but with a lower UV reading. For more detailed UV forecasts and safety measures, visit Vientiane UV Index.
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In January, Vientiane basks in a generous 253 hours of sunlight, setting the stage for a bright start to the year. As the months progress, the city experiences a steady increase, peaking in March with a remarkable 318 hours of golden rays. Following this zenith, the sunshine hours maintain a robust presence, hovering near 300 hours through April and May. However, the intensity wanes slightly as the rainy season approaches, with hours dipping to 249 in August. Yet, as summer fades, the sunshine makes a gradual return, culminating in a festive 311 hours come December. This rhythmic ebb and flow of sunlight not only shapes the weather but also enriches the vibrant cultural tapestry of Vientiane throughout the year.
In Vientiane, Laos, January shines with a remarkable 82% likelihood of sunny weather, making it one of the sunniest months of the year. This trend of bright days continues into February, which boasts an impressive 87% chance of sunshine. However, as the year progresses into the hotter months, the chances of clear skies begin to dip significantly; March sees a decline to 67%, and by April, the sun is rarely visible, with only a 29% chance of sunny days. The monsoon season that follows brings even cloudier conditions, with June through August experiencing less than 15% likelihood of sunshine. Fortunately, as the rainy season recedes in the fall, the prospects for sunny weather start to rebound, peaking again in December at 85%. Overall, if you're seeking sunny adventures in Vientiane, January and February present the best opportunities before the weather shifts dramatically.
In Vientiane, Laos, January marks the start of a gradual shift in daylight duration. With 11 hours of daylight, the month remains consistent with February, as the sun's reach begins to steadily increase. As spring approaches in March and April, residents enjoy an extension of day length, with each month basking in 12 hours of daylight. The daylight peaks notably in June and July, offering 13 hours of sunshine, perfect for outdoor activities and exploring the vibrant culture. However, as August transitions to September, the amount of daylight begins to decline, returning to 12 hours before tapering back to 11 hours by November and December. This cyclical pattern not only enriches the natural beauty of the region but also influences the rhythm of life in this enchanting capital.
In January, Vientiane experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), setting a serene tone for the new year. This favorable wind conditions carry into February and March, where the speeds remain steady at 1.8 m/s (4 mph), reflecting a consistent weather pattern that enhances outdoor activities. However, as the months transition into the hotter season, April and May see a slight decrease, with winds calming to 1.4 m/s (3 mph) and 1.3 m/s (3 mph) respectively. This trend of softer breezes continues into the summer months, peaking again in November and December at 1.8 m/s (4 mph), reinforcing the charm of Vientiane's climate as it embraces cooler temperatures. Overall, the wind patterns in January set the stage for a tranquil start to the year, fostering a pleasant environment that resonates throughout Vientiane.
Weather in Vientiane varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Vientiane, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a minimum temperature of 10°C (51°F) and an average of 24°C (75°F), peaking at a warm 35°C (95°F). The month sees minimal rainfall, with only 6 mm (0.2 in) of precipitation over just one day, accompanied by a humidity level of 52%. In contrast, February experiences slightly warmer conditions, with a minimum temperature of 13°C (55°F), an average of 25°C (76°F), and a maximum reaching 38°C (100°F). However, February is also wetter, receiving 17 mm (0.7 in) of rain over the same one day, while humidity remains relatively stable at 49%. For more detailed insights, check out Vientiane weather in February.
In January, the weather is generally mild with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F) and an average temperature of 24°C (75°F). This month experiences very little precipitation, with just 6 mm (0.2 in) falling over a single day, and humidity levels are relatively moderate at 52%.
In contrast, March sees a significant rise in temperature, with a minimum of 17°C (63°F) and a peak reaching up to 40°C (104°F), averaging around 28°C (82°F). Precipitation increases notably to 41 mm (1.6 in) across six days, and the humidity drops to 39%. For more details on the weather conditions in March, you can visit Vientiane weather in March.
January weather typically features milder temperatures, with a minimum of 10°C (51°F), an average of 24°C (75°F), and a maximum of 35°C (95°F), alongside low precipitation of 6 mm (0.2 in) over just one day and moderate humidity at 52%. In contrast, April experiences significantly higher temperatures, with a minimum of 17°C (63°F), an average of 29°C (85°F), and a peak of 42°C (107°F). Additionally, April sees a considerable increase in precipitation, with 70 mm (2.8 in) over 11 days, but lower humidity at 40%. For more details, check out Vientiane weather in April.
In comparison to January, May experiences significantly warmer temperatures, with a minimum of 22°C (71°F) and a maximum that soars to 41°C (107°F), making the average temperature rise to 29°C (85°F). In contrast, January's temperatures range from a mild 10°C (51°F) at night to a daytime high of 35°C (95°F). Additionally, May sees a substantial increase in precipitation, with 204 mm (8.0 in) over 21 days, compared to January's mere 6 mm (0.2 in) over just one day. This also contributes to May's higher humidity level of 69%, compared to January's 52%. For more detailed information on weather specifics, you can check out Vientiane weather in May.
In January, the weather is relatively mild with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), and an average temperature of 24°C (75°F). With only 6 mm (0.2 in) of precipitation over just one day, the humidity remains at a comfortable 52%. In contrast, June experiences much warmer temperatures, starting at a minimum of 24°C (75°F) and reaching highs of 39°C (102°F), with an average of 29°C (85°F). However, it is also significantly wetter, with a staggering 309 mm (12.2 in) of rain over approximately 25 days and humidity levels rising to 81%. For more details about the weather, check out Vientiane weather in June.
In January, the weather is notably milder, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), and only a slight chance of precipitation at 6 mm (0.2 in) over just one day. The humidity is relatively moderate at 52%. In contrast, July brings significantly warmer temperatures, with a minimum of 25°C (76°F) and a maximum reaching 37°C (99°F). This month is also characterized by high humidity at 83% and considerable rainfall, totaling 331 mm (13.0 in) across 26 days. For more detailed information, check out Vientiane weather in July.
When comparing the weather in January and August, it’s clear that both months exhibit distinct characteristics. January enjoys relatively mild temperatures, with a minimum of 10°C (51°F) and a maximum of 35°C (95°F), coupled with low humidity at 52% and minimal rainfall totaling just 6 mm (0.2 in) over one day. In stark contrast, August experiences much warmer conditions, featuring a minimum temperature of 24°C (75°F) and a peak of 37°C (98°F). This month also brings significant rainfall, with an average precipitation of 402 mm (15.8 in) spread across 26 days and high humidity levels at 87%. For a detailed overview, you can check Vientiane weather in August.
In January, the weather is typically warm and pleasant, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), averaging around 24°C (75°F). This month sees minimal precipitation, with just 6 mm (0.2 in) over only one day, and humidity levels are around 52%. In contrast, September is notably hotter and wetter, with temperatures starting at a minimum of 23°C (73°F), peaking at 37°C (98°F), and averaging 28°C (83°F). The atmosphere is much more humid, with humidity levels soaring to 86%. Additionally, September experiences significant rainfall, accumulating 265 mm (10.4 in) over 24 days. For more specific details, you can check Vientiane weather in September.
In January, Vientiane experiences warmer temperatures, with a minimum of 10°C (51°F) and an average of 24°C (75°F), peaking at a maximum of 35°C (95°F). The month is relatively dry, receiving only 6 mm (0.2 in) of precipitation over just one day and maintaining a humidity level of 52%. In contrast, October brings significantly warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to an average of 28°C (82°F), reaching highs of 36°C (98°F). However, it is also a much wetter month, recording 129 mm (5.1 in) of rain across 15 days, resulting in higher humidity levels at 74%. For a detailed overview of the weather in October, you can check Vientiane weather in October.
In comparing the weather of January and November, January typically experiences cooler temperatures, with a minimum of 10°C (51°F) and an average high of 35°C (95°F). This month is characterized by relatively low humidity at 52% and minimal precipitation of just 6 mm (0.2 in) over about one day. In contrast, November sees warmer conditions with a minimum temperature of 17°C (63°F) and an average high reaching 36°C (98°F). Precipitation is slightly higher at 10 mm (0.4 in), occurring over three days, and humidity also increases to 63%. For more detailed insights, you can check Vientiane weather in November.
In comparing the weather between January and December, both months experience similar high temperatures, with January averaging 24°C (75°F) and December slightly cooler at 23°C (74°F). The maximum temperature remains consistent at 35°C (95°F) for both months, while January has a slightly higher minimum temperature of 10°C (51°F) compared to December's 9°C (48°F). Precipitation levels are comparable, with January seeing 6 mm (0.2 in) over one day, while December has a marginally higher precipitation of 7 mm (0.3 in) over the same duration. Additionally, humidity is a bit lower in January at 52% than in December, where it reaches 57%. For more detailed information, you can check Vientiane weather in December.
As you explore January in Vientiane, you'll find a delightful respite from the sweltering heat that characterizes the city's hotter months. With average temperatures hovering around 24°C (75°F), this month offers a more comfortable climate compared to the extremes of blistering summers. January also sees significantly lower precipitation, with a mere day of rain and only 6 mm of moisture, making it an ideal time for outdoor adventures. The moderate humidity levels at 52% add to the pleasant atmosphere, unlike the heavy humidity encountered in later months. For an in-depth look at Vientiane's yearly weather patterns, be sure to check out Vientiane Climate.