Last updated: August 28, 2025
May in Bac Ha, Vietnam, presents a dynamic weather profile, with daytime temperatures soaring to a maximum of 38°C (100°F) and settling at a comfortable average of 25°C (77°F). As the month unfolds, travelers can expect a refreshing drop to a minimum of 14°C (58°F), particularly during the cooler nights. With 134 mm (5.3 in) of rainfall dispersed over approximately 20 days, the month is characterized by a significant presence of precipitation, complemented by humidity levels averaging 69%. This combination makes May a lush and vibrant time to explore Bac Ha’s stunning landscapes, while also preparing for the occasional rain shower.
In May, Bac Ha, Vietnam, experiences a noticeable warmth as temperatures rise, with a minimum of 14°C (58°F) and an average of 25°C (77°F), peaking at a scorching 38°C (100°F). This month marks a transition from the cooler spring months to the sweltering summer, showing a significant increase from April's averages. The surge in temperatures not only invites lush greenery but also vibrant local festivals, making it an enticing time for travelers. As the heat intensifies, the cooler evenings provide a pleasant escape, perfect for enjoying Bac Ha's captivating landscapes and cultural richness.
In Bac Ha, Vietnam, May marks a significant increase in precipitation, with 134 mm (5.3 inches) of rain falling over 20 days. This uptick reflects the onset of the wet season, as rainfall intensifies compared to previous months, notably April's 113 mm. The trend of increasing precipitation continues into June, but May stands out as a turning point, transitioning the region from the milder showers of early spring to the more consistent rains of summer. The increase in rainy days not only enhances the lush green landscapes but also sets the stage for the heightened rainfall that characterizes the following months. This pattern underscores the dynamic climate of Bac Ha, where May acts as a bridge from the relatively dry spring to the vibrant wet season ahead.
As May unfolds in Bac Ha, Vietnam, the air becomes noticeably more humid, with levels reaching 69%—a slight increase from previous months. This upward trend in humidity, starting from April's 53%, signals the onset of the warmer season, which continues to escalate into June, where it peaks at a sweltering 83%. While May may feel muggy, it serves as a precursor to the intense humidity that characterizes the summer months. Overall, as the landscape transitions, the rising humidity paints a vivid picture of Bac Ha's shifting climate, inviting both the lush vibrancy of nature and the challenges of warmer weather.
In May, Bac Ha, Vietnam experiences a significant spike in the UV Index, reaching an astonishing 14, which falls within the extreme exposure category. This marks a continuation of the trend observed since March, with high levels of UV radiation persisting through the months leading up to summer. With a burn time of only 10 minutes, it’s crucial for residents and visitors to take precautions against potential sun damage, as the intensity of the sun doesn't show signs of waning. As temperatures rise and outdoor activities become more alluring, staying informed about UV protections becomes increasingly important. For more details, check the Bac Ha UV Index to plan safe outdoor adventures.
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In Bac Ha, Vietnam, May brings a delightful surge of sunshine, showcasing the region's vibrant allure. With an impressive 302 hours of sunlight—the highest of the year—May serves as a beacon of warmth and beauty. This month stands in stark contrast to the gloomier winter months, where January barely reaches 157 hours. As spring transitions into summer, the sun's presence steadily increases, peaking in May before gently tapering off in the subsequent months. Following this brilliant display, June and July maintain a notable level of brightness with around 279 to 283 hours, ensuring that the lush landscapes of Bac Ha remain bathed in golden light throughout the season.
May in Bac Ha, Vietnam, boasts a sunny probability of 37%, similar to January's outlook but significantly higher than the preceding months. This trend shows a shift from the cooler, wetter days of April, where the chance of sunlight dips to 27%, to a more favorable prospect as spring transitions into summer. Interestingly, the likelihood of sunshine tends to decline sharply in the following months, with June and July dropping to just 14% and 15% respectively. As such, May offers a fleeting opportunity for clear skies, making it an ideal time for outdoor adventures before the rainy season settles in. Enjoy the brightness while it lasts!
As spring transitions into summer, May in Bac Ha, Vietnam welcomes an increase in daylight duration, reaching a delightful 13 hours. This uptick in sunlight mirrors the warming climate, marking a gradual ascent from 10 hours in January to a peak that sustains through both June and July. The consistency of 13 hours during these summer months offers ample opportunity for outdoor exploration and enjoyment of the vibrant landscapes. As autumn approaches in August, daylight begins to wane, settling back to 12 hours before dipping again in the cooler months of October and November. The rhythmic ebb and flow of daylight not only enhances the region's natural beauty but also enriches the daily lives of its residents and visitors alike.
In May, Bac Ha experiences a gentle average wind speed of 1.3 m/s (3 mph), maintaining a consistent breeze typical of the early summer months. As the year unfolds, the winds are relatively calm, with speeds ranging around 1.1 to 1.5 m/s from January through April, before dipping slightly in May. This trend of diminishing wind speeds continues into June, suggesting a serene atmosphere perfect for exploring Bac Ha's stunning landscapes. The overall pattern reveals a gradual decline in wind speed as the region transitions into the hotter months, enhancing the idyllic charm of this beautiful destination.
Weather in Bac Ha varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bac Ha, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather conditions. In May, temperatures range significantly, with a minimum of 14°C (58°F) and soaring highs of up to 38°C (100°F), leading to an average of 25°C (77°F). This month also sees considerable precipitation, totaling 134 mm (5.3 in) across 20 days, paired with a higher humidity level of 69%. In contrast, January experiences much cooler weather, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 25°C (77°F) and an average of 15°C (59°F). The rainfall is less abundant, at 62 mm (2.5 in) over 13 days, and the humidity is lower at 57%. For more detailed information, you can check Bac Ha weather in January.
May and February showcase distinct weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 38°C (100°F), with an average of 25°C (77°F). This month experiences considerable precipitation, totaling 134 mm (5.3 in) over approximately 20 days, accompanied by humidity levels at 69%. In contrast, February presents milder conditions, with a minimum temperature of 6°C (43°F), an average of 16°C (60°F), and a maximum of 29°C (85°F). The precipitation in February is significantly lower at 48 mm (1.9 in) across about 12 days, and humidity is slightly lower at 67%. For more detailed insights on this month, you can visit Bac Ha weather in February.
In comparing the weather in May and March, we see notable differences in temperature and precipitation. May typically experiences warmer temperatures, with averages around 25°C (77°F) and maximums reaching up to 38°C (100°F), while March is cooler, averaging 20°C (68°F) and peaking at 33°C (91°F). Additionally, May has higher precipitation levels, with 134 mm (5.3 in) expected over about 20 days, compared to March’s 76 mm (3.0 in) spread over 16 days. The humidity in May is also higher at 69%, compared to March's 58%. For a more detailed look at weather specifics in March, you can refer to Bac Ha weather in March.
In comparing the weather of April and May, it's clear that May experiences warmer temperatures overall, with average highs reaching 38°C (100°F) compared to April's maximum of 36°C (96°F). The minimum temperatures in May are also higher, starting at 14°C (58°F) compared to April’s 11°C (51°F). Additionally, May sees more precipitation, totaling 134 mm (5.3 inches) over 20 days, while April has slightly less at 113 mm (4.5 inches) over 17 days. Humidity also rises notably in May to 69%, compared to April’s 53%. For a detailed look at April weather specifics, you can visit Bac Ha weather in April.
May and June present notable differences in weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), with an average temperature of 25°C (77°F). The month experiences significant rainfall, totaling 134 mm (5.3 in) over about 20 days, and humidity levels are around 69%. In contrast, June sees warmer conditions, with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 36°C (98°F) and an average of 27°C (81°F). Rainfall increases to 199 mm (7.8 in) over 21 days, coupled with higher humidity at 83%. For more information on the specific climate conditions in this region, check out Bac Ha weather in June.
May and July present distinct weather patterns, showcasing a transition from the warmer spring months to the sweltering summer season. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), with an average temperature of 25°C (77°F). The month sees a significant amount of rainfall, accumulating to 134 mm (5.3 in) over approximately 20 days, and humidity levels hover around 69%.
In contrast, July experiences milder temperatures with a minimum of 21°C (71°F) and a maximum of 35°C (95°F), averaging 26°C (79°F). However, it is much wetter, recording 312 mm (12.3 in) of precipitation across 27 days, leading to a higher humidity level of 90%. This increase in rainfall and humidity in July can create a more oppressive climate compared to May. For more details on July's weather, you can check Bac Ha weather in July.
In May, temperatures can range from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), with an average of 25°C (77°F). This month typically experiences around 134 mm (5.3 inches) of precipitation over approximately 20 days, resulting in a humidity level of 69%. In contrast, August features warmer weather, with a minimum of 21°C (71°F) and a maximum of 35°C (95°F), while the average temperature hovers around 26°C (79°F). August is significantly wetter, receiving about 481 mm (19.0 inches) of rainfall over 26 days, which leads to higher humidity levels of 90%. For more specific details about August weather, you can check Bac Ha weather in August.
May and September present distinct weather patterns, although they share an average temperature of 25°C (77°F). In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), while September's temperatures are slightly milder, with a minimum of 16°C (61°F) and a maximum of 34°C (93°F). Precipitation is considerably higher in September, with 238 mm (9.4 in) spread over 23 days compared to May's 134 mm (5.3 in) over 20 days. Moreover, September experiences higher humidity at 81%, compared to May's 69%. For more specifics on September weather, you can check out Bac Ha weather in September.
May and October showcase notable differences in weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a high of 38°C (100°F), with an average temperature of 25°C (77°F). The month experiences significant precipitation, totaling 134 mm (5.3 in) over about 20 days, and humidity hovers around 69%. In contrast, October features milder temperatures, with a minimum of 13°C (56°F) and a maximum of 31°C (87°F), leading to an average of 22°C (72°F). Rainfall is more substantial in October, accumulating to 189 mm (7.4 in) over approximately 21 days, along with slightly higher humidity at 75%. For more specific insights about October weather, you can refer to the following link: Bac Ha weather in October.
In May, temperatures can soar with a minimum of 14°C (58°F) and an average high of 25°C (77°F), occasionally reaching up to 38°C (100°F). The month is also characterized by significant rainfall, with 134 mm (5.3 in) of precipitation over approximately 20 days, resulting in a humidity level of 69%. In contrast, November experiences cooler temperatures, with a minimum of 10°C (50°F) and an average high of 19°C (66°F), peaking at 30°C (86°F). Precipitation decreases to 57 mm (2.3 in) over 12 days, and humidity rises slightly to 74%. For more insights on weather conditions in this month, check out Bac Ha weather in November.
May and December present striking contrasts in weather. In May, temperatures can soar with a minimum of 14°C (58°F) and highs reaching up to 38°C (100°F), making it a much warmer month with an average temperature of 25°C (77°F). This month also sees significant rainfall, totaling 134 mm (5.3 in) over 20 days, resulting in high humidity levels of 69%. In contrast, December offers a much cooler climate, characterized by temperatures ranging from a low of 3°C (38°F) to a maximum of 26°C (79°F) and an average of 15°C (59°F). Rainfall in December is considerably lighter, with only 55 mm (2.2 in) spread over 12 days, while the humidity remains consistent at 69%. For more details on December weather, you can visit Bac Ha weather in December.
As May unfolds in Bac Ha, the weather takes on a distinctive character, marked by warmer temperatures that can peak at 38°C (100°F), far surpassing the cooler months. With an average of 25°C (77°F), this period transitions into a more tropical climate, blending increased humidity at 69% with the potential for rainy days—up to 20 days and a total precipitation of 134 mm (5.3 in). These shifts not only bring lush greenery but also a vibrant atmosphere unique to this time of year. If you’re curious to learn more about how Bac Ha’s climate shapes its environment, check out Bac Ha Climate.