Last updated: August 28, 2025
In May, Khe Sanh, Vietnam, experiences a dynamic climate characterized by a maximum temperature soaring to 38°C (100°F) while maintaining an average of 28°C (82°F). The month is marked by significant precipitation, totaling 136 mm (5.4 in) over approximately 21 rainy days, resulting in a humidity level of 73%. This combination of high temperatures and substantial rainfall creates a lush environment, ideal for exploring the region's vibrant flora, albeit with the need for preparations to navigate the humid and often wet conditions.
In May, Khe Sanh experiences a notable rise in temperatures, marking a distinct shift as the region transitions into the warmer months. With minimums reaching 18°C (66°F) and averages peaking at 28°C (82°F), visitors can expect pleasantly warm days. The maximum temperatures soar to a striking 38°C (100°F), reflecting a significant climb from the earlier months. Compared to April, where temperatures ranged up to 36°C (98°F), this increase indicates the onset of summer heat, making May one of the hottest months of the year. As humidity levels typically rise, it's advisable for travelers to stay hydrated and plan outdoor activities during the cooler parts of the day.
May marks a significant uptick in precipitation for Khe Sanh, Vietnam, as the region receives a robust 136 mm (5.4 in) of rain over 21 days. This increase continues the trend set in April, with rainfall rising substantially from the previous months. As the transition into the monsoon season, May’s downpours are pivotal for the lush landscapes, setting the stage for the even more dramatic rains that follow in July and October. The consistent number of rainy days reflects a pattern where moisture accumulates steadily, nourishing the surroundings and highlighting Khe Sanh’s distinct tropical climate. As rainfall intensifies in the warmer months, the area's vibrant ecosystem thrives, making May a critical month in the region's annual precipitation cycle.
In May, Khe Sanh, Vietnam, experiences a moderate humidity level of 73%, creating a lush and vibrant atmosphere typical of the region’s tropical climate. This slight increase from April’s 60% signals the transition toward the hotter, more humid months ahead. As the year progresses, humidity levels rise significantly, peaking in the summer months with July and August reaching a steamy 90% and 92% respectively. The trend shows a gradual escalation from the drier winter months, highlighting May as a pivotal point when the landscape begins to embrace the lushness that comes with higher moisture levels, setting the stage for the vibrant monsoon season.
In Khe Sanh, Vietnam, the UV Index reaches its pinnacle in May, registering a striking 14 and falling into the extreme exposure category, indicating a burn time of just 10 minutes. This trend of high UV exposure continues from April, and persists into the months ahead, with both June and July maintaining the same intense levels. Comparatively, the intensity starts to taper off as the year progresses, with the index gradually declining to 12 in October and 10 by November. As such, it's crucial for residents and visitors alike to stay vigilant during May and the surrounding months to safeguard against harmful UV radiation. For more detailed information, visit Khe Sanh UV Index.
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In Khe Sanh, Vietnam, the month of May shines brightly with an impressive 315 hours of sunshine, marking it as one of the sunniest times of the year. This peak is part of a broader trend of increasing sunlight as spring transitions into summer, with hours of sunshine steadily rising from January's 195 hours to May's robust total. Following May, the sunshine remains abundant into June and July, where it hovers just below the 315-hour mark, creating an inviting atmosphere for outdoor activities. The decline in sunlight hours becomes evident as the year progresses into late autumn, with November and December seeing a noticeable dip. Overall, the sunshine patterns in Khe Sanh highlight the region's vibrant summer months, making May a particularly delightful time to bask in the sun.
May marks a significant shift in Khe Sanh's weather patterns, with the chances of sunny days rising to 42%—the highest of the year. This increase follows a gradual upward trend from the wetter months of early spring, where the likelihood of sunshine hovers around 25-32%. As the region transitions from April's 26% chance, May invites a more optimistic outlook for outdoor activities, promising more opportunities to bask in the sun. Following this peak, the sunshine probability dwindles again into the summer, falling to 20% in June. May, therefore, stands out as a beacon of brighter days and a perfect time to enjoy the natural beauty that Khe Sanh has to offer.
In Khe Sanh, Vietnam, the transition into May reflects a consistent trend of lengthening daylight that begins in the early months of the year. With 12 hours of daylight, May maintains the same duration as the preceding month of April, marking a plateau before the summer months. It's an ideal time to enjoy outdoor activities, as the daylight reaches its peak in June at 13 hours. Following this peak, daylight gradually recedes to 12 hours in July and remains steady throughout August and September, before tapering off again in the fall. This rhythm of increasing and decreasing daylight not only enriches the region's natural beauty but also influences the lifestyle of its residents, fostering a vibrant atmosphere throughout the year.
As May settles in Khe Sanh, Vietnam, the winds become particularly gentle, with an average speed of just 1.8 m/s (4 mph). This marks a notable decline from the breezier months preceding it, showcasing a transition to calmer conditions. In fact, April's winds are only slightly stronger at 2.0 m/s (4 mph), hinting at a trend where the early months of the year gradually yield to milder spring breezes. However, this lull doesn't last long, as the winds pick up momentum again in June, reaching an invigorating 4.5 m/s (10 mph). Overall, May serves as a fleeting interlude of tranquility before the summer gusts return, inviting a peaceful but fleeting respite in this stunning Vietnamese landscape.
Weather in Khe Sanh varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Khe Sanh, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, it's clear that May experiences significantly warmer temperatures, with averages reaching up to 28°C (82°F) and maximums soaring to 38°C (100°F). In contrast, January's temperatures are much cooler, averaging around 20°C (68°F) and peaking at 31°C (88°F). Additionally, May is characterized by higher humidity levels at 73%, compared to January's 77%. Precipitation levels in May are also notable, with 136 mm (5.4 in) over 21 days, whereas January has a lower total of 94 mm (3.7 in) over 18 days. For more specific insights on January weather, you can refer to Khe Sanh weather in January.
May and February exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 18°C (66°F) to a maximum of 38°C (100°F), with an average of 28°C (82°F). The month is characterized by higher rainfall, totaling 136 mm (5.4 in) across 21 days, while humidity remains consistently high at 73%. In contrast, February is cooler with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 33°C (92°F) and an average of 20°C (69°F). Precipitation in February is lower, at 60 mm (2.4 in) over 13 days, yet the humidity remains the same at 73%. For more detailed information, you can check out Khe Sanh weather in February.
In March, Khe Sanh experiences milder temperatures with a minimum of 15°C (59°F), an average of 24°C (75°F), and a maximum of 36°C (97°F). The humidity is relatively lower at 64%, and there is moderate precipitation of 75 mm (2.9 in) over 17 days. In contrast, May brings hotter conditions, featuring a minimum temperature of 18°C (66°F) and soaring to an average of 28°C (82°F), with maximum temperatures reaching as high as 38°C (100°F). Additionally, May sees higher precipitation levels at 136 mm (5.4 in) across 21 days, and humidity increases to 73%. For more detailed insights, check out Khe Sanh weather in March.
In comparing the weather of May and April, it's clear that May experiences higher temperatures, with an average of 28°C (82°F) and maximums reaching up to 38°C (100°F), while April's averages are slightly cooler at 25°C (78°F), peaking at 36°C (98°F). Additionally, May sees more precipitation, totaling 136 mm (5.4 in) across 21 days, compared to April's 105 mm (4.1 in) over 18 days. Humidity levels also rise in May to 73%, significantly higher than April's 60%. For those interested in April conditions specifically, check out Khe Sanh weather in April.
The weather in May and June presents some notable differences. May typically sees temperatures ranging from a minimum of 18°C (66°F) to a maximum of 38°C (100°F), with an average of 28°C (82°F). The month is characterized by higher precipitation, totaling 136 mm (5.4 in) over 21 days and a humidity level of 73%. In contrast, June experiences slightly warmer lows with a minimum of 23°C (74°F) and an average temperature of 29°C (84°F), while still reaching up to 38°C (101°F) at its peak. Rainfall in June is significantly less, amounting to just 64 mm (2.5 in) across 12 days, with humidity rising to 82%. For detailed insights into the weather specifics for June, you can check Khe Sanh weather in June.
May and July exhibit distinct weather patterns, with both months experiencing warm temperatures. In May, temperatures range from a minimum of 18°C (66°F) to a maximum of 38°C (100°F), with an average of 28°C (82°F). Precipitation in May is notable, totaling 136 mm (5.4 in) over 21 days, along with a humidity level of 73%. In contrast, July features slightly warmer minimum temperatures, starting at 22°C (72°F), while the maximum remains similar at 37°C (100°F) and the average holds steady at 28°C (82°F). However, July is significantly wetter, with precipitation reaching 236 mm (9.3 in) over 18 days and humidity climbing to 90%. For more detailed information, you can check Khe Sanh weather in July.
May generally offers a warm climate, with average temperatures around 28°C (82°F) and maximum highs reaching up to 38°C (100°F). However, it also experiences significant rainfall, with 136 mm (5.4 in) of precipitation over 21 days and humidity levels at 73%.
In contrast, August sees slightly cooler average temperatures of 27°C (82°F), although it remains warm with a max of 36°C (97°F). Precipitation increases to 162 mm (6.4 in), also over 21 days, and humidity rises to a notable 92%, making it feel more oppressive. For more detailed information, check out Khe Sanh weather in August.
When comparing the weather in May and September, there are notable differences in temperature and precipitation levels. In May, temperatures range from a minimum of 18°C (66°F) to a maximum of 38°C (100°F), with an average of 28°C (82°F). The month experiences considerable rainfall, with 136 mm (5.4 in) over 21 days and a relative humidity of 73%. Conversely, September sees slightly warmer nights, with minimum temperatures around 21°C (70°F) and average daily temperatures at 27°C (80°F). However, it experiences much higher rainfall, totaling 295 mm (11.6 in) over 22 days, and increased humidity at 87%. For more detailed weather insights, you can check Khe Sanh weather in September.
In comparing the weather between May and October, we see a noticeable shift in temperature and precipitation patterns. May typically experiences warmer temperatures, with averages around 28°C (82°F) and peak highs reaching up to 38°C (100°F). Although May is the hotter month, it also has substantial rainfall, totaling 136 mm (5.4 in) over approximately 21 days with a humidity level of 73%.
In contrast, October offers milder temperatures, with an average of 25°C (76°F) and maximums reaching 34°C (93°F). However, it compensates for the cooler climate with significantly higher precipitation, recording about 426 mm (16.8 in) over 24 days and an increase in humidity to 85%. For a detailed overview of what to expect, you can check the Khe Sanh weather in October.
May and November present quite different weather profiles. In May, temperatures range from a minimum of 18°C (66°F) to a scorching maximum of 38°C (100°F), with an average of 28°C (82°F). This month experiences substantial rainfall, with 136 mm (5.4 in) distributed across about 21 days, and humidity levels averaging 73%. In contrast, November features milder conditions, with temperatures ranging from a cooler 15°C (60°F) to a maximum of 32°C (90°F), averaging 23°C (73°F). The month is much wetter, accumulating 318 mm (12.5 in) of rain over 23 days, and a higher humidity level of 84%. For a deeper look at November's conditions in specific locations, refer to Khe Sanh weather in November.
In May, temperatures are generally warmer, ranging from a minimum of 18°C (66°F) to a maximum of 38°C (100°F), with an average of 28°C (82°F). The month experiences significant rainfall, totaling 136 mm (5.4 in) over about 21 days, accompanied by a humidity level of 73%. In contrast, December is cooler, with temperatures varying from a minimum of 14°C (57°F) to a maximum of 29°C (85°F) and an average of 20°C (68°F). While December sees slightly higher precipitation at 164 mm (6.5 in) over 22 days, the humidity also increases to 83%. For more details on weather conditions, check out Khe Sanh weather in December.
As May unfolds in Khe Sanh, the weather experiences a noticeable shift, marked by increased warmth and humidity. With maximum temperatures hitting 38°C (100°F), the average climbs to a pleasant 28°C (82°F), making it significantly warmer than the preceding months. However, this warmth is accompanied by frequent showers, as 136 mm of rain falls over 21 days, creating a humid environment that averages around 73%. This blend of heat and rain sets May apart from the drier months, making it an essential period for the region's lush greenery. For more insights and detailed weather patterns, visit Khe Sanh Climate.