Last updated: August 28, 2025
In August, the weather in Son La, Vietnam showcases a blend of warmth and humidity typical for the region. With maximum temperatures reaching up to 33°C (92°F) and a pleasantly warm average of 26°C (78°F), the daylight hours can feel quite steamy. However, nighttime offers a respite with minimum temperatures dropping to 21°C (70°F). This month is characterized by significant precipitation, with an impressive 322 mm (12.7 in) of rainfall spread over 26 days, resulting in high humidity levels averaging around 92%. Visitors should be prepared for frequent rain showers that contribute to the lush and vibrant landscape, creating a breathtaking backdrop for any outdoor adventures.
In August, Son La, Vietnam experiences a warm and pleasant climate, with minimum temperatures settling at a comfortable 21°C (70°F). The average temperature hovers around 26°C (78°F), providing just the right balance for outdoor activities, while the maximum peaks at 33°C (92°F). This month marks a slight decrease from the scorching highs seen in the preceding months, as July showcased max temperatures of up to 35°C (95°F). The consistency in warmth continues from the earlier summer months, but August begins the gentle transition into the cooler fall temperatures. Overall, visitors can enjoy Son La’s vibrant landscapes in relatively mild conditions, making it an ideal time to explore the region's natural beauty.
August in Son La, Vietnam, marks a peak in the region's precipitation, with an impressive 322 mm (12.7 in) of rain falling over 26 days. This month typically sees the highest levels of rainfall, following a notable uptick in previous months, particularly from July's 285 mm (11.2 in). The sustained rain has a significant impact on the landscape, nourishing the lush greenery and contributing to the vibrant ecosystems characteristic of the region. As the monsoon season progresses, the combination of increased rainfall and frequency of rainy days becomes a defining trait of Son La's climate, leading to a distinct shift in both the weather patterns and the natural surroundings during this time of year.
In August, Son La, Vietnam, reaches a peak humidity level of 92%, marking one of the most humid months of the year. This significant rise follows a gradual increase from 68% in May to 91% in July, reflecting the region's transition into the rainy season. The summer months, particularly June and July, show a clear upward trend in humidity, culminating in August's sweltering conditions. While the humidity begins to decline in September to 82%, the August atmosphere is thick with moisture, creating a lush environment that is characteristic of this vibrant region. As the year progresses, humidity levels tend to retreat, hovering between 60% and 80% during the later months, allowing for a brief respite before the cycle begins anew.
In August, Son La, Vietnam experiences a notably high UV Index of 14, categorizing it as extreme and prompting a burn time of just 10 minutes. This trend of elevated UV levels extends from May through October, with August marking the peak of the summer months. Interestingly, UV exposure in Son La remains critically high through late summer, consistently presenting risks that demand caution for outdoor activities. Travelers and residents alike should take proactive measures to protect their skin, especially during these peak months. For detailed insights on the UV levels throughout the year, visit Son La UV Index.
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August in Son La, Vietnam, offers a delightful balance of sunshine, with 267 hours of bright daylight. This month sits comfortably between the peak of 312 hours in May and the gradual decline as the year progresses into September's 285 hours. The data reveals a lively summer, where sunlight consistently bathes the region, particularly in the early months from March to May, showcasing a rising trend in sunshine that peaks before slightly tapering off. This pattern not only enhances the vibrant landscapes of Son La but also provides ample opportunities for outdoor activities, making August a splendid time to explore this picturesque destination. As the year winds down, the sunlight remains generously abundant, with hours hovering around the mid-200s, ensuring that Son La remains radiant throughout the seasons.
In Son La, Vietnam, the likelihood of sunny weather fluctuates throughout the year, with August marking a noticeable dip in sunshine chances at just 14%. This decline follows a trend from the typically wetter summer months, June and July, where the odds of sun are even lower at 10% and 18% respectively. As the monsoon season peaks, this August figure reflects the overall increase in cloud cover and precipitation common during this time. In contrast, the year begins and ends with brighter prospects, peaking at 55% in December. Thus, while August may not offer a sunny escape, the surrounding months present more favorable weather opportunities for outdoor enthusiasts.
In Son La, Vietnam, August marks a slight shift in daylight hours as the summer's peak begins to wane. After enjoying 13 hours of daylight from May through July, residents experience a gentle decline to 12 hours in August. This pattern mirrors the transitional months of September and October, where daylight further tapers to 11 hours, highlighting the gradual onset of the wetter seasons. The overall trend throughout the year showcases a rich ebb and flow of sunlight that peaks in the heart of summer and retreats as the year progresses. The consistent lengthening of days from winter’s 10 hours in January to the summer's maximum encourages the vibrant agricultural activities that thrive in this beautiful region.
In August in Son La, Vietnam, the average wind speed settles at a gentle 1.3 m/s (3 mph), mirroring the calmness of the preceding months. This tranquility, consistent throughout the summer, is indicative of a broader trend where wind speeds remain relatively low from May to September, with only slight fluctuations. As the region transitions into the cooler months, a gradual increase is observed, with November and December bringing wind gusts up to 1.6 m/s (4 mph), hinting at a seasonal shift. Overall, August represents a serene midpoint in the year, where the fresh air softly caresses the landscape, inviting stillness before the winds of change return in the fall.
Weather in Son La varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Son La, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather is characterized by warm temperatures and high humidity, with averages around 26°C (78°F) and peaks reaching up to 33°C (92°F). The month is quite rainy, experiencing about 322 mm (12.7 in) of precipitation over 26 days, which contributes to the stifling humidity of 92%. In contrast, January brings much cooler conditions, with average temperatures around 17°C (62°F) and a mild range from 6°C (43°F) to 31°C (88°F). Rainfall is significantly reduced in January, totaling only 34 mm (1.4 in) over just 5 days, and the humidity level also drops to a more comfortable 63%. For a more detailed look at January weather, visit Son La weather in January.
August and February present strikingly different weather conditions. August is characterized by high humidity at 92% and warm temperatures, with averages around 26°C (78°F) and highs reaching up to 33°C (92°F). However, it also brings significant rainfall, with 322 mm (12.7 in) of precipitation over 26 days, making it one of the wetter months. In contrast, February enjoys milder temperatures, with lows around 7°C (45°F) and an average of 18°C (64°F), while still allowing for warmer peaks of 33°C (92°F) on occasion. February is much drier, with only 25 mm (1.0 in) of rain falling over just 3 days, and a more comfortable humidity level of 65%. For more details on February weather, you can visit Son La weather in February.
The weather in August is significantly warmer and more humid compared to March. August experiences minimum temperatures of 21°C (70°F) and averages around 26°C (78°F), reaching highs of 33°C (92°F). In contrast, March has cooler temperatures with a minimum of 11°C (53°F) and an average of 22°C (71°F), peaking at 34°C (93°F). August also sees a substantial amount of rainfall, with 322 mm (12.7 in) of precipitation over 26 days, while March is much drier, receiving only 67 mm (2.6 in) across 9 days. Moreover, humidity levels are notably higher in August at 92%, compared to a more comfortable 57% in March. For more detailed insights, you can visit Son La weather in March.
In comparing the weather between August and April, one can observe significant differences in temperature and humidity. August tends to be much hotter with average temperatures around 26°C (78°F) and maximums reaching up to 33°C (92°F). In contrast, April experiences a milder climate, with average temperatures of 23°C (74°F) and maximums soaring up to 37°C (99°F). Humidity levels also diverge considerably; August boasts a high humidity of 92%, creating a muggy atmosphere, while April's humidity is a much more comfortable 50%. Additionally, August sees more precipitation, averaging 322 mm (12.7 in) over 26 days, compared to April's 103 mm (4.0 in) over just 13 days. For detailed insights into April's weather in Son La, you can visit Son La weather in April.
In comparing the weather between May and August, we observe notable differences in temperature and precipitation. August sees a minimum temperature of 21°C (70°F) with an average of 26°C (78°F) and a maximum of 33°C (92°F), while May experiences slightly cooler minimums at 16°C (61°F), an average of 26°C (79°F), but a higher maximum at 38°C (101°F). Precipitation is significantly greater in August, with 322 mm (12.7 in) spread across 26 days, compared to May’s 102 mm (4.0 in) over 16 days. Additionally, humidity levels are much higher in August at 92%, compared to May's 68%. For more details on the weather in May, you can visit Son La weather in May.
In comparing the weather of August and June, we see notable differences in temperature and precipitation. June tends to be hotter, with an average maximum temperature of 37°C (99°F), while August offers a slightly lower average maximum of 33°C (92°F). However, August experiences more rainfall, with a significant 322 mm (12.7 in) over 26 days, compared to June's 178 mm (7.0 in) across 24 days. Additionally, humidity levels are higher in August at 92%, compared to June's 79%. For more insights into June's weather, you can visit Son La weather in June.
In comparing the weather of August and July, both months experience warm temperatures, with August slightly cooler, having an average of 26°C (78°F) compared to July's 26°C (79°F). However, July sees a higher maximum temperature of 35°C (95°F) compared to August's 33°C (92°F). Precipitation is more prevalent in August, with 322 mm (12.7 in) over 26 days, whereas July receives 285 mm (11.2 in) over 23 days. Humidity levels remain quite similar, with August at 92% and July at 91%. For more detailed information on July weather, you can check Son La weather in July.
In comparing the weather between August and September, we notice a shift in both temperature and precipitation patterns. August tends to be warmer with an average temperature of 26°C (78°F) and higher maximums reaching up to 33°C (92°F). However, it is also significantly wetter, experiencing 322 mm (12.7 in) of rainfall over 26 days and maintaining a high humidity level of 92%. In contrast, September sees a slight cooling trend, with average temperatures around 25°C (78°F) and maximums peaking at 34°C (94°F). Rainfall decreases notably to 121 mm (4.8 in) across 19 days, coupled with a drop in humidity to 82%. This shift makes September generally drier and more comfortable compared to the sweltering, humid conditions of August. For more details, you can check Son La weather in September.
August and October present contrasting weather conditions. In August, temperatures are noticeably warmer, with a minimum of 21°C (70°F) and an average of 26°C (78°F), reaching highs of 33°C (92°F). This month is also characterized by significant rainfall, averaging 322 mm (12.7 inches) over 26 days, accompanied by high humidity levels of 92%. In comparison, October features cooler temperatures, with minimums dropping to 12°C (54°F) and average highs of 23°C (73°F), while still peaking at 33°C (91°F). Precipitation decreases sharply to 103 mm (4.0 inches) over just 13 days, and humidity levels lower to 76%. For more on October's weather specifics, refer to Son La weather in October.
August and November present starkly different weather conditions. In August, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F), with an average of 26°C (78°F). The month is also characterized by high humidity at 92% and significant rainfall, totaling 322 mm (12.7 in) over 26 days. In contrast, November offers a cooler climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 31°C (89°F), and an average of 20°C (69°F). Rainfall is minimal during this month, totaling only 18 mm (0.7 in) over just 4 days, and humidity levels drop to 72%. For more detailed weather information, visit Son La weather in November.
August and December present contrasting weather conditions. In August, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F), with an average of 26°C (78°F). However, this month is characterized by heavy rainfall, receiving 322 mm (12.7 in) over 26 days, and high humidity at 92%. In stark contrast, December experiences much cooler temperatures, with a minimum of 3°C (37°F), an average of 16°C (62°F), and a maximum of 31°C (89°F). Precipitation drops dramatically to just 25 mm (1.0 in) over only 4 days, along with a decrease in humidity to 68%. For a more detailed look at December weather, visit Son La weather in December.
As August arrives, Son La's weather transforms, bringing a marked increase in humidity and precipitation that distinguishes it from other months. The city experiences its peak rainfall with nearly 26 days of wet weather, contributing to a lush, vibrant landscape. While the temperatures remain warm, averaging a comfortable 26°C, the heightened humidity level of 92% can make it feel much warmer. This unique blend of heat and moisture enhances the tropical atmosphere of Son La, making August a dynamic month to experience the region's natural beauty. For more detailed insights into the region's climate, visit Son La Climate.