Last updated: August 21, 2025
May in Viengxay, Laos brings a warm and humid climate as the region transitions toward the peak of the rainy season. With maximum temperatures reaching up to 35°C (96°F) and an average temperature of 23°C (74°F), the days are both hot and balmy. Night temperatures drop to a refreshing 14°C (58°F), providing some respite from the daytime heat. Rainfall is significant this month, with a total precipitation of 208 mm (8.2 in) spread across approximately 25 days, resulting in lush landscapes and vibrant greenery. The overall humidity level hovers around 68%, enhancing the sultry atmosphere typical of this tropical region.
In May, temperatures in Viengxay, Laos begin to shift into warmer territory, with a minimum of 14°C (58°F) and an average of 23°C (74°F), reflecting the onset of the heat that characterizes the region. The maximum temperature can soar to a steamy 35°C (96°F), tying with the peak seen in April, yet with an unmistakable increase in humidity as the rainy season approaches. Compared to earlier months, May marks a clear transition from the cooler temperatures of January through April, as the landscape gears up for its lush, green transformation. As the warmth envelops Viengxay, it invites both residents and travelers to embrace the vibrant energy before the rains settle in for the summer months ahead.
In May, Viengxay experiences a peak in precipitation, with a substantial 208 mm (8.2 in) of rainfall over 25 days. This marks a notable increase from the preceding months, particularly when compared to April's 143 mm (5.6 in). As the dry season fades, the lush landscape transforms under the weight of May's showers, laying the groundwork for vibrant flora. The pattern continues into June, but May stands out as a pivotal month in the rainy season, setting the stage for the heavier downpours anticipated in the summer ahead.
In May, Viengxay, Laos experiences a noticeable increase in humidity, reaching 68%. This marked uptick signals the transition into the wetter months, as humidity steadily rises from April's 50%. As the region approaches the peak of the rainy season in June and July, where humidity soars to 79% and 91% respectively, it's clear that May acts as a precursor to the lush, tropical conditions that will envelop the area. The growing humidity not only enhances the vibrant greenery of the landscape but also sets the stage for the warm, atmospheric rains that follow.
In May, Viengxay, Laos, experiences one of its highest UV Index levels of the year with a striking UV Index of 14, categorized as extreme. This trend continues from April, where the exposure was equally intense, indicating a persistent risk for sunburns with a minimal burn time of just 10 minutes. As the days grow longer and sunnier leading into the summer months, May marks a crucial period for sun safety awareness. It's essential for residents and visitors alike to take precautions during this peak time. Finding shade, wearing protective clothing, and applying sunscreen are vital strategies to mitigate the risks associated with such elevated UV levels. To explore more about the UV Index throughout the year, visit Viengxay UV Index.
UV Risk Categories
In the charming town of Viengxay, Laos, May shines particularly bright, boasting 299 hours of sunshine—making it the sunniest month of the year. This delightful surge in sunlight springs from a gradual increase that begins in January with a modest 188 hours. As the months progress, sunshine hours consistently climb, peaking in May before tapering into the slightly less vibrant summer months of June and July, which still enjoy a healthy 276 and 274 hours, respectively. The trend illustrates a vibrant transition into late spring, inviting outdoor adventures and natural beauty, while the months that follow still promise plenty of sun with hours ranging from 261 to 275. It’s clear that May is a golden opportunity to soak in the radiant charm of Viengxay, setting the stage for both relaxation and exploration in this stunning landscape.
In May, Viengxay, Laos, experiences a moderate 27% chance of sunny weather, continuing a downward trend initiated in April. This marks a notable decrease from the more promising conditions of earlier months, such as January and February, when the likelihood of sunshine reached 42% and 40%, respectively. As the region transitions into the rainy season, the chances of clear sk skies diminish significantly, plunging to just 11% by June. Thus, while May still offers a flicker of brightness compared to the sultry summer months ahead, those hoping for sunshine should be prepared for increasing cloud cover and rain as the month progresses.
In Viengxay, Laos, the duration of daylight exhibits a captivating trend throughout the year. Starting with a steady 11 hours of daylight in January and February, the days gradually lengthen to 12 hours by March and April, signaling the approach of summer. May marks a delightful peak, with 13 hours of daylight, a duration that continues through June and July, providing ample time for outdoor activities. As August arrives, daylight begins to retract slightly but remains robust at 12 hours. The return to shorter days is observed as September transitions back to 11 hours, culminating in December with just 10 hours. This rhythmic ebb and flow of light not only dictates the daily activities of the locals but also enhances the natural beauty of this serene landscape throughout the seasons.
In May, Viengxay, Laos experiences a gentle breeze, with an average wind speed of 1.6 m/s (4 mph), mirroring the slightly increased gusts seen in March and July. Interestingly, May's wind speed stands out against the more tranquil conditions of the earlier months, where the wind averages lingered around 1.5 m/s (3 mph). This subtle uptick highlights a transition into the wetter season, as the winds pick up slightly before reaching their peak in June at 2.0 m/s (5 mph). As the region warms up, these balmy winds create a refreshing atmosphere, enhancing the charm of Viengxay during this vibrant time of year.
Weather in Viengxay varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Viengxay, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit significantly different weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 35°C (96°F), with an average of 23°C (74°F). This month also experiences considerable rainfall, with 208 mm (8.2 in) spread over 25 days and a humidity level of 68%. In contrast, January features a cooler climate, with temperatures ranging from a chilly 4°C (39°F) to a pleasant maximum of 28°C (83°F) and an average of 15°C (59°F). Rainfall is minimal in January, totaling just 29 mm (1.1 in) over 6 days, and the humidity is slightly lower at 63%. For more details, you can explore Viengxay weather in January.
When comparing the weather in May and February, significant differences emerge. May typically experiences warmer temperatures, with a minimum of 14°C (58°F) and an average of 23°C (74°F), peaking at a scorching 35°C (96°F). In contrast, February is much cooler, starting at a minimum of 4°C (40°F) and averaging 16°C (61°F), with a maximum of 31°C (87°F). Additionally, May sees much higher precipitation, with 208 mm (8.2 in) of rain over approximately 25 days, while February has a mere 30 mm (1.2 in) over just 6 days. Both months have comparable humidity levels, with May at 68% and February at 65%. For more detailed insights, check out Viengxay weather in February.
May and March exhibit notable differences in weather patterns. In March, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (89°F), with an average of 20°C (68°F). The month experiences relatively low precipitation, totaling 76 mm (3.0 in) over 13 days and maintaining a humidity level of 57%. In contrast, May presents a warmer scenario, with minimum temperatures of 14°C (58°F), an average of 23°C (74°F), and maximums reaching 35°C (96°F). This month is also significantly wetter, accumulating 208 mm (8.2 in) of rainfall across 25 days and a higher humidity of 68%. For further insights into the specific weather conditions of March, you can check Viengxay weather in March.
In comparing the weather of May and April, we see a noticeable increase in temperature and humidity. May experiences a minimum temperature of 14°C (58°F) and an average of 23°C (74°F), while April's temperatures range from a minimum of 9°C (49°F) to an average of 21°C (70°F). Both months reach similar maximums, with May slightly edging out at 35°C (96°F) compared to April's 35°C (95°F). Precipitation levels are also higher in May, with 208 mm (8.2 in) falling over 25 days, compared to April's 143 mm (5.6 in) over 19 days, demonstrating that May is both wetter and more humid, sitting at 68% compared to April's 50%. For more details on April weather, you can check Viengxay weather in April.
May and June share similar high temperatures, reaching a maximum of 35°C (96°F), yet June typically has a higher average temperature, with a minimum of 20°C (68°F) compared to May's 14°C (58°F). While both months experience significant rainfall, May is wetter, receiving 208 mm (8.2 in) over 25 days, whereas June sees slightly less precipitation at 176 mm (6.9 in) across 22 days. Humidity also rises in June, averaging 79%, making the air feel more humid compared to May's 68%. For more details on June weather, you can check Viengxay weather in June.
May and July present contrasting weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 35°C (96°F), with an average of 23°C (74°F), making it warmer during the daytime. However, May also experiences significant rainfall, with 208 mm (8.2 in) of precipitation spread across 25 days and a humidity level of 68%. In contrast, July is generally milder, with temperatures ranging from 20°C (68°F) to 32°C (91°F) and an average of 24°C (76°F). Despite being cooler, July is quite wet, receiving 290 mm (11.4 in) of precipitation over 26 days, along with increased humidity at 91%. For more detailed insights, you can check Viengxay weather in July.
May and August exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 35°C (96°F), with an average temperature of 23°C (74°F), while August's temperatures are slightly milder, with a minimum of 19°C (67°F), an average of 24°C (75°F), and a maximum of 32°C (91°F). Precipitation also varies significantly; May experiences 208 mm (8.2 in) over 25 days, whereas August sees a substantial increase in rainfall to 357 mm (14.1 in) across 27 days. Additionally, humidity levels are higher in August at 92%, compared to May’s 68%. For more details, check out Viengxay weather in August.
May and September present distinct weather patterns, despite having similar average temperatures of around 23°C (74°F). May tends to be hotter, with maximum temperatures reaching up to 35°C (96°F), while September's highs are milder at 31°C (88°F). Precipitation is more abundant in May, with 208 mm (8.2 in) over 25 days, compared to September's 173 mm (6.8 in) over 23 days. Additionally, September experiences higher humidity at 82%, compared to May's 68%, leading to a more sultry feel as the month progresses. For more details on September's weather in the region, you can check Viengxay weather in September.
May and October exhibit distinct differences in weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 35°C (96°F), with an average temperature of 23°C (74°F). This month experiences significant rainfall, totaling 208 mm (8.2 inches) over approximately 25 days, and humidity levels hover around 68%. Conversely, October features cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 31°C (88°F), and an average of 20°C (69°F). Precipitation is reduced to 165 mm (6.5 inches) across 19 days, and humidity rises slightly to 76%. For more detailed information, you can check Viengxay weather in October.
May and November present contrasting weather conditions. In May, temperatures can soar with a minimum of 14°C (58°F) and a maximum reaching up to 35°C (96°F), creating a warm and humid environment with an average temperature of 23°C (74°F). The month also sees significant rainfall, totaling 208 mm (8.2 in) over about 25 days, resulting in a high humidity level of 68%. In contrast, November offers a cooler climate with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 30°C (86°F), averaging 18°C (65°F). This month experiences much less precipitation, with only 40 mm (1.6 in) falling over 9 days, contributing to a slightly higher humidity of 72%. For more insights on November weather, you can check Viengxay weather in November.
May and December present markedly different weather conditions. In May, temperatures range from a minimum of 14°C (58°F) to a sizzling maximum of 35°C (96°F), with an average temperature of 23°C (74°F). The month is notably wet, experiencing 208 mm (8.2 inches) of precipitation over 25 days, accompanied by humidity levels at 68%. In contrast, December offers a much cooler climate, with temperatures ranging from a chilly 2°C (36°F) to a pleasant maximum of 28°C (82°F) and an average of 15°C (58°F). Precipitation drops significantly to 30 mm (1.2 inches) over just 7 days, while humidity remains consistent at 68%. For more detailed information, you can check Viengxay weather in December.
As May unfolds in Viengxay, the weather transitions into a warm, moist embrace, setting itself apart from the cooler months of the year. With an average temperature that gracefully climbs, reaching notably higher peaks, the days become increasingly humid, resulting in a vibrant green landscape nourished by frequent rain. This month typically marks a shift towards the rainy season, significantly increasing precipitation days which can bring refreshing showers and occasional storms. For those planning to visit, it's essential to be prepared for both the heat and the unpredictable rains typical of May. To explore more about the fascinating weather patterns throughout the year, check out Viengxay Climate.