Last updated: August 28, 2025
In May, Dien Bien Dong, Vietnam experiences a dynamic climate characterized by maximum temperatures soaring up to 38°C (101°F), while the average temperature remains a comfortable 25°C (77°F). The month brings significant moisture, with precipitation totaling 118 mm (4.6 in) over approximately 18 days, contributing to a humidity level of 68%. This combination of warmth and humidity creates a vibrant atmosphere, ideal for exploring the region's lush landscapes and rich culture. Be prepared for occasional showers as you immerse yourself in the beauty of Dien Bien Dong during this lively spring month.
In Dien Bien Dong, Vietnam, May showcases a remarkable shift towards the peak of summer, with temperatures climbing to a sizzling maximum of 38°C (101°F). As the month progresses, the minimum temperature rises to 14°C (58°F), setting a warmer stage compared to previous months. The average temperature settles comfortably at 25°C (77°F), reflecting the transition into the hotter season. This upswing not only illustrates the advent of summer but also indicates a steady increase in warmth, with daytime temperatures becoming notably more intense as the region approaches June. Visitors during this month can expect a vibrant and warm climate, perfect for exploring the lush landscapes and rich culture of this captivating region.
In May, Dien Bien Dong experiences a notable shift in weather, with precipitation reaching 118 mm (4.6 in), making it one of the wetter months of the year. As the region transitions towards the monsoon season, the number of rainy days increases significantly to 18, contributing to the lush greenery that characterizes this period. This uptick in rainfall follows a surge in April, which saw 135 mm over 13 days, indicating an overall trend toward increased moisture in the air as summer approaches. With June and July anticipating even heavier rains, May serves as a vital precursor, setting the stage for the region’s dynamic and often torrential summer weather.
As May unfolds in Dien Bien Dong, Vietnam, humidity begins to rise, reaching 68%, signaling the advent of the wet season. This uptick follows a gradual decrease from the wetter months of winter, where January and February recorded 63% and 65% respectively. While April sees a dip to 50%, May serves as a precursor to the much higher humidity levels of the summer months, especially June's peak at 79%. Interestingly, the trend in humidity illustrates a clear pattern: from the dry chilling air of early months, the environment transitions towards a more saturated atmosphere, preparing the region for the lush greenery and vibrant life characteristic of its rainy season.
As May approaches in Dien Bien Dong, Vietnam, the UV Index escalates dramatically, reaching a staggering 15, which falls into the extreme exposure category with an alarming burn time of just 10 minutes. This reflects a broader trend in the region from January through May, where UV levels consistently increase from a high of 9 to this month's peak. The months leading up to May showcase a steady rise in UV intensity, with February and March both hitting 11 and 13 before stabilizing at 13 in April. Notably, after May, the UV Index remains high throughout the summer, fluctuating between 14 and 15, emphasizing the need for adequate sun protection during these critical months. For detailed insights, you can explore the complete data and stay informed about the UV levels in the area at Dien Bien Dong UV Index.
UV Risk Categories
As spring gives way to summer in Dien Bien Dong, Vietnam, May stands out with an impressive 320 hours of sunshine, marking the peak of brightness in the year. Following a steady increase from January's 208 hours, sunlight hours climb consistently, showcasing nature's transition as flowers bloom and the landscape bursts into life. This season of abundance invites outdoor explorations, while April's 269 hours serve as a brilliant prelude to May's radiant display. The month not only embraces warmth but also sets the tone for summer, as June and July maintain a robust 271 hours of sunshine, encouraging countless adventures under the vibrant skies. This pattern reveals a captivating rhythm of sunshine, with each month building on the last, creating a tapestry of light and warmth that defines Dien Bien Dong's enchanting ambience.
In Dien Bien Dong, Vietnam, the likelihood of experiencing sunny weather in May stands at 36%, making it one of the less favorable months for sun-seeking. This slight dip follows a promising rise in sunshine chances through March, where the likelihood peaks at 64%, but drops significantly in April. As the region transitions into the summer months, the sun’s presence becomes scarcer, with June and July showing some of the lowest probabilities at just 9% and 14%, respectively. Overall, May hints at a moderate chance of sunshine, perfectly positioned between the vibrant light of early spring and the rainy days that follow.
In Dien Bien Dong, Vietnam, the dynamics of daylight duration exhibit a captivating progression throughout the year. Starting with only 10 hours of daylight in January, the length gradually increases, reaching a peak of 13 hours in both May and June. This vibrant surge ushers in the warmth of summer, allowing for more time to enjoy the stunning landscapes and rich culture of the region. Notably, the daylight begins to wane gently from July onward, transitioning back to 12 hours in August and slowly tapering off to 11 hours in October and November, before settling back at 10 hours by December. This rhythmic shift in daylight not only marks the changing seasons but also invites locals and visitors alike to experience the unique beauty of Dien Bien Dong throughout the year.
May in Dien Bien Dong, Vietnam, showcases a gentle whisper of wind, with an average speed of 1.5 m/s (3 mph). As spring transitions into early summer, this month reflects a slight uptick in wind velocity compared to the slower months of February and April. Although not particularly strong, these soft breezes contribute to the region's serene atmosphere, making May an ideal time for outdoor exploration. Notably, the wind tends to pick up slightly in June before tapering off again in the calm summer months of July and August. This subtle rhythm of wind patterns throughout the year highlights the tranquil charm of Dien Bien Dong's climate, inviting visitors to bask in its serene beauty.
Weather in Dien Bien Dong varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dien Bien Dong, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather conditions. In May, temperatures range from a minimum of 14°C (58°F) to a sweltering maximum of 38°C (101°F), with an average of 25°C (77°F). The month also sees significant precipitation, with 118 mm (4.6 in) falling over 18 days, contributing to a humidity level of 68%. In contrast, January offers a cooler climate, with temperatures ranging from 5°C (40°F) to a maximum of 29°C (85°F), averaging at 16°C (61°F). The precipitation in January is much lower, totaling 42 mm (1.7 in) over just 5 days, and the humidity is slightly lower at 63%. For more details about January weather, you can visit Dien Bien Dong weather in January.
The weather in May is significantly warmer than in February, with average temperatures reaching 25°C (77°F) compared to February's 17°C (63°F). While May experiences a high maximum temperature of 38°C (101°F), February's peak is a mild 32°C (90°F). Additionally, May sees more precipitation, with 118 mm (4.6 in) over 18 days, in contrast to February's minimal rainfall of 27 mm (1.1 in) across just 3 days. Both months have similar humidity levels, with May at 68% and February at 65%. For more detailed insights, you can check the weather specifics for February here: Dien Bien Dong weather in February.
May weather is typically warmer and more humid than March, with average temperatures reaching 25°C (77°F) compared to March's 21°C (70°F). The maximum temperatures in May can soar up to 38°C (101°F), whereas in March, they peak at 34°C (94°F). Additionally, May experiences significantly more precipitation, measuring 118 mm (4.6 in) over 18 days, compared to March's 50 mm (2.0 in) over just 10 days. The higher humidity in May at 68% also contributes to a noticeably muggy atmosphere, whereas March has a relatively comfortable humidity level at 57%. For a detailed look at the weather patterns, you can check out Dien Bien Dong weather in March.
Comparing the weather in April and May reveals a notable shift as spring transitions into summer. In April, temperatures are cooler, with a minimum of 9°C (48°F) and an average of 23°C (73°F), peaking at 36°C (96°F). The humidity levels are relatively lower at 50%, and while April experiences 135 mm (5.3 in) of precipitation over 13 days, the weather remains more stable compared to May. In contrast, May brings warmer temperatures, where the minimum is 14°C (58°F) and the average shoots up to 25°C (77°F), reaching a maximum of 38°C (101°F). Additionally, May sees an increase in precipitation to 118 mm (4.6 in) over 18 days and higher humidity at 68%, suggesting a more tropical and damp atmosphere. For a closer look at April weather specifics, visit Dien Bien Dong weather in April.
May and June present distinct weather characteristics that significantly affect local climates. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 38°C (101°F), with an average temperature of 25°C (77°F). The month sees a total precipitation of 118 mm (4.6 in) distributed over 18 days, along with a humidity level of 68%. In contrast, June experiences warmer nights with a minimum of 20°C (69°F) and a slightly lower maximum of 35°C (95°F), while maintaining a similar average temperature of 25°C (78°F). However, June is notably wetter, with a total precipitation of 246 mm (9.7 in) over 26 days and a higher humidity of 79%. For more details on the climate specifics during this time, you can check the Dien Bien Dong weather in June.
May and July exhibit distinct weather patterns that can significantly influence outdoor activities. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 38°C (101°F), with an average temperature of 25°C (77°F). The month experiences around 118 mm (4.6 in) of precipitation over 18 days, and humidity levels hover at 68%. In contrast, July maintains a similar average temperature of 25°C (77°F), but with higher minimum and maximum temperatures, ranging from 21°C (70°F) to 35°C (95°F). This month also sees a substantial increase in precipitation, totaling 323 mm (12.7 in) spread over 28 days, and humidity rises to 91%. Consequently, July tends to be more humid and rainier than May, which can impact the local climate and lifestyle. For detailed weather information specific to July, check out Dien Bien Dong weather in July.
In comparing the weather between May and August, it's evident that both months offer distinct climatic characteristics. May experiences a broader temperature range, with minimums dropping to 14°C (58°F) and maximums reaching up to 38°C (101°F), while August presents a milder range, with temperatures typically between 20°C (69°F) and 32°C (90°F). Precipitation is significantly higher in August, totaling 373 mm (14.7 in) over 29 days, compared to May's 118 mm (4.6 in) over 18 days. Additionally, August boasts a notably higher humidity level of 92%, compared to May's 68%, contributing to a more muggy atmosphere. For a more detailed outlook on August weather, you can check the following link: Dien Bien Dong weather in August.
In May, the weather tends to be quite warm, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 38°C (101°F) and an average temperature of 25°C (77°F). However, the month is also marked by considerable precipitation, totaling 118 mm (4.6 in) over 18 days, coupled with a moderate humidity level of 68%.
In contrast, September brings slightly cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 32°C (91°F), leading to an average of 24°C (76°F). This month is significantly wetter, receiving 217 mm (8.6 in) of rainfall over 21 days and higher humidity at 82%, making it feel more muggy. For more detailed insights, you can check Dien Bien Dong weather in September.
Overall, while both months experience considerable rainfall, September is cooler and wetter, contrasting with May's hotter, drier conditions.
In comparing the weather between May and October, we can see distinct differences in temperature and precipitation patterns. May experiences warmer temperatures, with averages reaching up to 25°C (77°F) and maximums as high as 38°C (101°F), while October sees cooler averages of 22°C (72°F) and peaks at 31°C (88°F). Additionally, both months are quite humid, with October having slightly higher humidity at 76% compared to May's 68%. Precipitation is comparable as well; May receives 118 mm (4.6 in) over 18 days, while October sees a slight increase to 126 mm (4.9 in) over 16 days. For more insights into the October climate, you can check out Dien Bien Dong weather in October.
May and November exhibit notable differences in weather conditions. In May, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 38°C (101°F), with an average of 25°C (77°F). The month experiences significant rainfall, totaling 118 mm (4.6 in) over 18 days, contributing to a humidity level of 68%. In contrast, November offers a milder climate, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 31°C (87°F) and an average of 19°C (67°F). Precipitation is considerably lower in November, at just 25 mm (1.0 in) over 5 days, accompanied by a slightly higher humidity of 72%. For more detailed information on November weather, you can view Dien Bien Dong weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 38°C (101°F), with an average temperature of 25°C (77°F). This month also experiences significant precipitation, totaling 118 mm (4.6 in) spread across 18 days, contributing to a humid environment at 68%. In contrast, December sees much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 29°C (84°F), averaging 16°C (61°F). The precipitation drops substantially to just 24 mm (0.9 in) over 3 days, while humidity remains consistent at 68%. For more details on December's weather, you can check Dien Bien Dong weather in December.
As May unfolds in Dien Bien Dong, the weather showcases a significant shift, characterized by warmer temperatures and increased precipitation that distinguish it from the cooler, drier months preceding it. With daily highs frequently soaring to 38°C (101°F) and an average of 25°C (77°F), the month welcomes summer's embrace while maintaining a relatively humid atmosphere at 68%. The 18 days of rainfall, totaling 118 mm (4.6 in), create a vibrant landscape, making May notably different from the more temperate months earlier in the year. For a detailed look at the annual changes, explore Dien Bien Dong Climate.