Last updated: August 21, 2025
May in Muang Phonsavan, Laos, offers a warm and humid climate, characterized by a maximum temperature of 33°C (92°F) and a comfortable average of 23°C (74°F). As the month progresses, temperatures can dip to a refreshing minimum of 14°C (57°F) during cooler nights. However, travelers should prepare for significant rainfall, with total precipitation reaching 136 mm (5.4 in) spread over 24 rainy days. The humidity level, hovering around 67%, adds to the tropical ambiance, making May a unique month for experiencing the lush landscapes of this enchanting region.
In Muang Phonsavan, Laos, May marks a transition to warmer weather, with temperatures reflecting a steady rise as the region embraces the heat of late spring. The month opens with a minimum of 14°C (57°F), significantly warmer than earlier months, while the average temperature reaches a comfortable 23°C (74°F). Although daytime highs can soar to a maximum of 33°C (92°F), consistent with the climbing trend seen from April, this balance of warmth and cooler evenings offers a pleasant climate for both exploration and relaxation. As the month progresses and June approaches, temperatures continue to climb, hinting at the sultriness that summer in Southeast Asia brings. Overall, May provides an ideal opportunity to enjoy the vibrant landscapes and rich culture of Phonsavan before the peak of summer sets in.
In May, Muang Phonsavan experiences a significant uptick in rainfall, with precipitation reaching 136 mm (5.4 in) over 24 days—a notable increase from April's totals. This trend marks the transition into the heart of the rainy season, as May's rainfall not only slightly surpasses that of April's 130 mm (5.1 in) but also foreshadows even heavier precipitation in the following months. The growing frequency of rainy days in May, paired with the rising volumes, indicates a shift towards a more humid and lush landscape, setting the stage for the monsoon's peak. As the rains continue to pour into June and July, the lushness of the region flourishes, showcasing nature's vibrant transformation during this season.
In May, Muang Phonsavan experiences a notable uptick in humidity, reaching 67%, a significant increase from the drier months of April, which recorded just 47%. This rise in moisture sets the stage for the impending wet season, as humidity levels leap towards June's 81% and peak in July and August. Compared to the beginning of the year, where humidity is more moderate, May acts as a transition month, highlighting the shift in climatological patterns. The gradual buildup throughout spring prepares residents and visitors alike for the lush landscapes and vibrant flora that the rain will soon help flourish.
In May, Muang Phonsavan experiences one of its peak UV indexes, soaring to a staggering 15, which places it firmly in the extreme exposure category. This heightened level of ultraviolet radiation significantly reduces the safe burn time to just 10 minutes, highlighting the need for proper sun protection. Building on the trends from earlier months, the UV index has gradually escalated since January, where it started at 9 and has consistently remained at extreme levels through to June. As the sun’s intensity increases, it’s essential for residents and visitors alike to stay vigilant and take precautions during these sun-drenched days. For more detailed insights and trends, check out Muang Phonsavan UV Index.
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May brings a delightful showcase of sunshine in Muang Phonsavan, with 305 hours that perfectly align it with the sunniest months of the year. This peak is a continuation of the trend set in March and April, where daylight also graced the sky for similar durations, fostering a vibrant atmosphere. As the year progresses, the sunshine gradually tapers off, with June and July seeing a decline, yet still offering a respectable 275 and 266 hours, respectively. Despite this seasonal ebb, the allure of clear skies lingers into the late months, as both October and November rebound with nearly equal sunshine hours. Overall, the month of May stands out as a key highlight, inviting visitors to experience the warmth and beauty of this enchanting Laotian town.
In Muang Phonsavan, Laos, the likelihood of sunny weather in May takes a notable dip, with only a 29% chance of sunshine. This trend marks a significant decline from the sunnier months of January and February, which boast chances of 63% and 59% respectively. As the region transitions into the rainy season, it becomes clear that April's 24% chance of sun is a precursor to May's even cloudier prospects. The trend continues into the summer months, where June sees a further drop to just 11%, while July and August present even lower probabilities. Thus, while May offers some sunny days, the patterns suggest that visitors should prepare for more overcast skies and the potential for rain.
As spring transitions into summer, Muang Phonsavan, Laos experiences a noticeable increase in daylight duration. Beginning the year with 11 hours of daylight in January and February, the days gradually lengthen, reaching 12 hours in both March and April. May marks a significant turn, as daylight extends to 13 hours, a peak that continues into June and July. This extended period of sunlight fosters a vibrant atmosphere before gradually receding to 12 hours in August and September. As the year winds down, daylight gradually shortens, returning to 11 hours in November and settling at 10 hours by December. This trend highlights the clear seasonal variations that characterize the region, ushering in longer days during the lush summer months.
In May, Muang Phonsavan experiences gentle breezes with an average wind speed of 1.5 m/s (approximately 3 mph), mirroring the calmness of April. This slight dip in wind intensity leads into a gradual uptick in June, when winds begin to pick up pace, reaching 1.9 m/s. The overall trend in this tranquil month favors stillness, creating a serene atmosphere ideal for exploring the region's rich history and breathtaking landscapes. As summer approaches, the distinctively mild winds set the stage for vibrant days ahead, inviting visitors to soak in the charm of this unique destination.
Weather in Muang Phonsavan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Muang Phonsavan, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit stark contrasts in weather patterns. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). This month is characterized by significant rainfall, accumulating around 136 mm (5.4 in) over 24 days, leading to a humidity level of 67%. In contrast, January features much cooler temperatures, with a minimum of 3°C (37°F), an average of 16°C (62°F), and a maximum of 28°C (84°F). Rainfall is minimal during this time, with only 18 mm (0.7 in) over 4 days and a slightly lower humidity of 65%. For a detailed look at January weather in this region, check out Muang Phonsavan weather in January.
When comparing the weather in May to February, it’s evident that May is significantly warmer, with average temperatures reaching 23°C (74°F) compared to February’s average of 17°C (64°F). The maximum temperature in May can soar up to 33°C (92°F), while February sees a peak of 31°C (88°F). However, May experiences much more precipitation, totaling 136 mm (5.4 in) over 24 days, in contrast to February’s much lighter rainfall of 23 mm (0.9 in) spread over just 2 days. Humidity levels are slightly higher in May at 67%, compared to 63% in February, making May feel a bit more muggy. For more detailed insights on February weather, you can visit Muang Phonsavan weather in February.
In comparing the weather between May and March, we see distinct differences in temperature, precipitation, and humidity. May boasts a warmer average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F), while March's average is slightly cooler at 20°C (69°F), but it can also reach similar maximums. Rainfall is significantly heavier in May, totaling 136 mm (5.4 in) over 24 days, compared to just 44 mm (1.7 in) over 10 days in March. Additionally, May experiences higher humidity levels at 67%, compared to March's 54%. For more details on the March weather in this region, you can refer to Muang Phonsavan weather in March.
In comparison to April, May experiences warmer temperatures, with minimums rising from 7°C (45°F) in April to 14°C (57°F) in May, while the average remains slightly higher at 23°C (74°F) compared to April's 21°C (71°F). Both months reach a maximum temperature of 33°C (92°F), but May sees increased precipitation at 136 mm (5.4 in) over 24 days, compared to April's 130 mm (5.1 in) over 19 days. Additionally, humidity levels rise significantly in May to 67%, whereas April enjoys a drier atmosphere with 47% humidity. For more detailed insights on April weather, you can refer to Muang Phonsavan weather in April.
In comparing the weather conditions of May and June, we observe a notable increase in both temperature and humidity. May features a minimum temperature of 14°C (57°F) and an average of 23°C (74°F), with a maximum reaching 33°C (92°F). In contrast, June starts warmer, with a minimum of 19°C (67°F) and an average temperature of 24°C (76°F), peaking at 36°C (96°F). Additionally, June experiences higher precipitation, with 196 mm (7.7 in) over 26 days, compared to May's 136 mm (5.4 in) across 24 days. The humidity levels also rise from 67% in May to 81% in June, contributing to a noticeable increase in discomfort during the hot season. For more specific details on the weather in June, you can refer to Muang Phonsavan weather in June.
May and July present distinct weather patterns. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). The month experiences significant precipitation of 136 mm (5.4 in) over 24 days, resulting in a humidity level of 67%. In contrast, July sees slightly higher minimum temperatures at 18°C (65°F) and a comparable maximum of 31°C (88°F), while maintaining the same average of 23°C (74°F). However, it experiences much heavier rainfall, totaling 266 mm (10.5 in) over 28 days, leading to a higher humidity level of 92%. For a closer look at the weather specifics, you can visit Muang Phonsavan weather in July.
In May, the weather is warm with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F) and an average of 23°C (74°F). However, this month also sees considerable precipitation, with about 136 mm (5.4 in) of rainfall spread over 24 days, resulting in a humidity level of 67%. Conversely, August experiences slightly higher baseline temperatures, with minimums of 18°C (65°F) and maximums of 31°C (87°F), while still averaging at 23°C (74°F). The rainfall in August is significantly higher at 301 mm (11.9 in) over 28 days, contributing to a much more humid environment with humidity levels soaring to 93%. For more specific insights about August weather, you can visit Muang Phonsavan weather in August.
In comparing the weather between May and September, both months have similar average temperatures, with May reaching a maximum of 33°C (92°F) while September peaks at 30°C (87°F). However, May typically sees slightly higher temperatures overall, with a minimum of 14°C (57°F) compared to September's 13°C (56°F). Precipitation levels are relatively close, with May receiving 136 mm (5.4 in) over 24 days and September experiencing 128 mm (5.0 in) across 21 days, contributing to a noticeable increase in humidity in September at 85%, compared to 67% in May. For those interested in more specific weather conditions during this time, further details can be found at Muang Phonsavan weather in September.
May and October present contrasting yet pleasant weather conditions. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). This month experiences higher precipitation, with 136 mm (5.4 in) of rain over 24 days and humidity levels at 67%. In comparison, October features slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 31°C (88°F), averaging around 21°C (70°F). Precipitation in October is lower at 115 mm (4.5 in) over 16 days, and humidity increases to 78%. For more details on October weather, you can visit Muang Phonsavan weather in October.
In May, the weather is notably warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), combined with an average of 23°C (74°F). It also experiences significant rainfall, with 136 mm (5.4 in) of precipitation over 24 days, and a humidity level of 67%. In contrast, November brings milder conditions, with temperatures ranging from a cooler 8°C (47°F) to a maximum of 30°C (86°F), and an average temperature of 19°C (66°F). The month is considerably drier, featuring only 18 mm (0.7 in) of precipitation across just 4 days and a slightly higher humidity of 73%. For those interested in more details on November weather in this region, you can visit Muang Phonsavan weather in November.
May and December present stark contrasts in weather patterns. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 33°C (92°F), with an average temperature of 23°C (74°F). This month also sees significant precipitation, totaling 136 mm (5.4 in) spread over 24 days, contributing to a humidity level of 67%.
In contrast, December boasts much cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 28°C (82°F), averaging 16°C (60°F). Precipitation drops dramatically to only 14 mm (0.6 in) over just one day, while humidity slightly increases to 69%. For a more detailed look into December weather, check Muang Phonsavan weather in December.
As May unfolds in Muang Phonsavan, the warmth of the season becomes more pronounced with higher temperatures and increased humidity. Unlike the cooler months that precede it, May experiences frequent rain, contributing to a lush and vibrant landscape, albeit with 24 rainy days throughout the month. This combination of warmth and rain sets the stage for a dynamic shift in the local climate, making it a unique time to appreciate the beauty of nature's cycle. For a deeper understanding of how the weather evolves throughout the year, explore more on Muang Phonsavan Climate.