Last updated: August 28, 2025
Lang Son, Vietnam in July experiences a tropical climate characterized by warm temperatures and high humidity. With a maximum reach of 35°C (96°F) and an average of 28°C (82°F), the month showcases summer’s intensity, while nighttime lows hover around 23°C (73°F). Rainfall is significant, totaling 243 mm (9.6 in) across approximately 23 days, creating a lush, vibrant landscape despite the wet conditions. Humidity levels often reach a staggering 90%, contributing to a sultry atmosphere that defines this time of year. Visitors should prepare for frequent rain showers, making waterproof gear essential while indulging in the beauty of Lang Son’s verdant scenery.
In July, Lang Son, Vietnam, experiences warm conditions characterized by a minimum temperature of 23°C (73°F) and an average temperature hovering around 28°C (82°F), peaking at a maximum of 35°C (96°F). This month marks a significant rise from the earlier summer months, as temperatures continue their upward trend from June. July's warmth signifies the height of the season, inviting both locals and travelers to enjoy outdoor activities amid the sweltering heat. As the weather remains relatively stable, it presents an ideal opportunity to explore Lang Son's vibrant landscapes, albeit with a reminder to stay hydrated and seek shade during the peak temperatures.
In July, Lang Son, Vietnam experiences a notable peak in precipitation, with 243 mm (9.6 in) of rain falling over 23 days. This trend marks a significant increase from the previous month, highlighting July as one of the wettest months of the year. As the region transitions from the earlier summer heat, this surge in rainfall fuels lush vegetation and supports agriculture. Interestingly, the rainfall in July sets the stage for even heavier precipitation in August, which averages 346 mm (13.6 in) over 28 days, suggesting an ongoing pattern of escalating moisture that characterizes the region's monsoon season. The growing frequency and intensity of rainfall during this period not only contribute to the local climate's vibrancy but also underscore the vital role of water in sustaining Lang Son's ecosystems and communities.
In July, Lang Son, Vietnam, experiences its peak humidity levels, soaring to a striking 90%. This significant rise follows a gradual increase throughout the preceding months, starting from 64% in April and climbing steadily to 81% in June. The persistent humidity characterizes the height of the rainy season, creating a lush, vibrant landscape but also leading to a sense of heaviness in the air. As summer progresses, the humidity begins to slightly decline, dropping to 89% in August and 82% by September, yet July remains a defining moment in the annual humidity cycle, illustrating the region's tropical climate.
As summer reaches its peak in July, Lang Son, Vietnam experiences a notably high UV Index of 13, maintaining an extreme exposure category that has persisted since April. With a burn time of just 10 minutes, residents and visitors alike must remain vigilant against potential sunburn. This trend of extreme UV levels continues into August, where the index rises even higher to 14, before gradually declining in September. Overall, July reinforces a robust pattern of intense sun exposure during these months, emphasizing the importance of sun protection strategies. For more insights on UV safety, check out the detailed information available at Lang Son UV Index.
UV Risk Categories
July in Lang Son, Vietnam, basks in an impressive 292 hours of sunshine, making it one of the sunniest months of the year. Following the peak of May's 297 hours, the sunlight begins to taper, yet July maintains a vibrant glow, significantly outshining the winter months. This trend showcases the region's warm climate, where the days grow longer as the year progresses, fostering an inviting atmosphere for outdoor exploration and enjoyment. As the summer rolls into August, sunshine slightly decreases to 265 hours, hinting at the gradual transition towards the autumn months. Despite the dip, July remains a standout, capturing the essence of summer with its plentiful rays and warmth.
In Lang Son, Vietnam, the likelihood of enjoying sunny weather in July stands at 21%, a modest chance amidst the summer heat. This month marks a slight uptick compared to the gloomier June, which only offers a 13% chance of sunshine. Interestingly, this summer shine is part of a broader trend, where the chances for sunny days tend to rise as the year progresses, peaking at a pleasant 48% in December. While July may not be the sunniest by far, it still holds promise for those in search of radiant moments before the rainy season deepens in August.
In Lang Son, Vietnam, July marks the peak of summer with a steady 13 hours of daylight, mirroring the duration experienced in both May and June. This sustained brightness hints at a vibrant atmosphere, ideal for exploring the lush landscapes and rich culture of the region. As the month progresses, daylight slowly begins to wane, transitioning towards shorter hours as the city prepares for the cooler embrace of autumn. The gradual decline in daylight from August onward, dropping to 12 hours, further signals the rhythmic shift of seasons, showcasing nature's splendid cycles throughout the year.
In July, the winds in Lang Son, Vietnam, tend to be at their gentlest, averaging just 2.1 m/s (5 mph). This marks a notable decline from the breezier conditions of May and March, where the winds reached 3.3 m/s (7 mph) and 3.0 m/s (7 mph) respectively. As summer progresses into August, the wind speed continues its downward trend, dropping to 2.0 m/s (4 mph), creating a calm ambiance perfect for leisurely summer days. Interestingly, this softening of the breeze contrasts sharply with the notable increase seen in October, where winds pick up significantly to 4.0 m/s (9 mph). Overall, July serves as a transitional month, where the gentle winds invite relaxation, setting the stage for the more vigorous gusts that follow as the seasons shift.
Weather in Lang Son varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Lang Son, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present starkly contrasting weather conditions. In July, the average temperatures soar to 28°C (82°F), with highs reaching up to 35°C (96°F), making it a hot and humid month. The rainfall is significant, totaling 243 mm (9.6 in) over 23 days, resulting in a humidity level of 90%. In stark contrast, January offers much cooler weather with an average temperature of 15°C (59°F) and highs capping at 27°C (80°F). Overall, January experiences far less precipitation, with only 55 mm (2.2 in) over 11 days, and a noticeable drop in humidity to 66%. For a detailed look at January's weather, check out Lang Son weather in January.
In July, the weather is characterized by high temperatures, with a minimum of 23°C (73°F) and an average of 28°C (82°F), peaking at a scorching 35°C (96°F). The month experiences significant rainfall, totaling 243 mm (9.6 in) over 23 days, accompanied by high humidity levels of 90%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 5°C (41°F) to a pleasant average of 16°C (61°F), and a maximum of 28°C (83°F). Precipitation is considerably lower at 57 mm (2.2 in) over just 11 days, with humidity at a more comfortable 71%. For a detailed look at February conditions, you can visit Lang Son weather in February.
In comparing the weather between July and March, it's clear that July is significantly warmer and more humid. July's average temperature hovers around 28°C (82°F), with maximums reaching up to 35°C (96°F), contrasting with the milder average of 20°C (68°F) in March. Additionally, July experiences heavy precipitation at 243 mm (9.6 in) over 23 days, while March has considerably less rainfall, amounting to 92 mm (3.6 in) over 21 days. The humidity in July peaks at a high 90%, compared to March's more comfortable 69%. For more specific insights, you can check Lang Son weather in March.
April and July present distinct weather characteristics. In April, temperatures range from a mild minimum of 10°C (50°F) to a comfortable average of 22°C (72°F), peaking at a maximum of 34°C (93°F). Although April does experience precipitation, with 117 mm (4.6 in) over 18 days, humidity remains relatively moderate at 64%. In contrast, July showcases much warmer weather, with temperatures ranging from a minimum of 23°C (73°F) to an average of 28°C (82°F) and a scorching maximum of 35°C (96°F). The month is notably wetter, with 243 mm (9.6 in) of rain spread over 23 days and a high humidity level of 90%. For more detailed information, you can check Lang Son weather in April.
When comparing the weather in July and May, July typically presents a much warmer atmosphere with average temperatures reaching 28°C (82°F), compared to May's more moderate average of 26°C (78°F). Interestingly, both months share the same maximum temperature of 35°C (96°F), but July’s minimum temperature is considerably higher at 23°C (73°F) compared to May’s 15°C (60°F). Humidity levels also rise significantly in July, averaging 90%, while May enjoys a less oppressive 73% humidity. Additionally, July experiences more rainfall, with 243 mm (9.6 in) spread across 23 days, compared to May’s 179 mm (7.1 in) over 22 days. For more details on May weather, you can check Lang Son weather in May.
In comparing the weather patterns of June and July, both months showcase warm temperatures, with July experiencing a slightly higher minimum temperature of 23°C (73°F) compared to June's 20°C (69°F). Notably, while both months have the same average temperature of 28°C (82°F), June boasts a higher maximum temperature of 37°C (100°F), making it hotter overall. Precipitation levels are quite similar, with July recording 243 mm (9.6 in) across 23 days, just slightly above June's 235 mm (9.2 in) over 21 days. Additionally, July has a higher humidity level at 90%, compared to June's 81%, contributing to a more oppressive feel during the hotter days. For more detailed insights, you can visit Lang Son weather in June.
In comparing the weather between July and August, both months experience similar high temperatures, with maximums reaching 35°C (96°F). However, July tends to have a slightly higher average temperature of 28°C (82°F) compared to August's average of 27°C (81°F). Precipitation levels see a notable increase in August, with 346 mm (13.6 in) of rain over 28 days, compared to July's 243 mm (9.6 in) over 23 days, leading to a more humid environment with an average humidity of 89% in August versus 90% in July. For more detailed insights on August weather, you can check Lang Son weather in August.
In July, the weather is characterized by higher temperatures, with minimums averaging around 23°C (73°F) and maximums reaching up to 35°C (96°F). The month experiences significant rainfall, with 243 mm (9.6 in) of precipitation over 23 days, contributing to a humid atmosphere with an average humidity level of 90%.
In contrast, September offers a slightly cooler climate, as temperatures drop to a minimum of 19°C (67°F) and an average of 26°C (80°F), while maximums remain high at 34°C (94°F). Precipitation is also lower in September, totaling 198 mm (7.8 in) over 22 days, and the humidity decreases to 82%. For a more detailed look at the weather in this month, you can visit Lang Son weather in September.
July weather in Lang Son is characterized by higher temperatures, with a minimum of 23°C (73°F) and an average of 28°C (82°F), peaking at a sweltering 35°C (96°F). This month also sees significant rainfall, averaging 243 mm (9.6 in) over 23 days, contributing to a high humidity level of 90%. In contrast, October experiences more mild conditions, with temperatures dropping to a minimum of 15°C (59°F) and averaging 23°C (73°F), reaching a maximum of 32°C (90°F). The precipitation decreases to 170 mm (6.7 in) over 15 days, and humidity falls to a more comfortable 77%. For a more detailed look at the October weather in Lang Son, you can check Lang Son weather in October.
July and November present contrasting weather patterns. In July, the temperatures are significantly warmer, with a minimum of 23°C (73°F) and an average high reaching up to 35°C (96°F). This month is also marked by heavy rainfall, experiencing 243 mm (9.6 in) of precipitation over 23 days, along with high humidity at 90%. In stark contrast, November brings milder temperatures, with a minimum of 9°C (48°F) and an average high of 30°C (86°F). Precipitation drops sharply to just 39 mm (1.6 in) over 9 days, accompanied by a decrease in humidity to 72%. For more specific insights into the weather during this month, visit Lang Son weather in November.
July and December exhibit stark contrasts in weather patterns. In July, temperatures soar, with a minimum of 23°C (73°F) and a maximum reaching up to 35°C (96°F), coupled with high humidity at 90%. The month is characterized by significant rainfall, totaling 243 mm (9.6 in) over 23 days. In contrast, December brings much cooler temperatures, with a minimum of 4°C (40°F) and an average of 15°C (60°F), peaking at 28°C (82°F). Precipitation significantly decreases to 51 mm (2.0 in) spread over just 9 days, and humidity levels settle at 71%. For more details on December conditions, visit Lang Son weather in December.
As July rolls into Lang Son, the weather shifts significantly, with higher temperatures compared to the preceding months, peaking at 35°C (96°F) during the day. The average temperature hovers around a warm 28°C (82°F), creating a vibrant summer atmosphere. However, the humidity soars to an impressive 90%, making the air feel heavier and more tropical. Rainfall is also prominent this month, with frequent showers occurring across 23 days, accumulating up to 243 mm (9.6 in) of precipitation. This blend of high humidity and regular rain sets July apart from the drier months, making it a unique time to experience the lush landscape of Lang Son. For more detailed weather insights, visit Lang Son Climate.