Last updated: August 28, 2025
In October, Lang Son, Vietnam experiences a delightful blend of warm temperatures and significant rainfall. With maximum highs reaching 32°C (90°F) and average temperatures around 23°C (73°F), the weather is comfortably warm, making it an ideal time for outdoor activities. However, travelers should be prepared for the 15 rainy days that contribute to a total precipitation of 170 mm (6.7 in) throughout the month. The humidity levels remain high at 77%, adding a tropical touch to the atmosphere. Embrace the lush landscapes and vibrant culture of Lang Son during this picturesque month!
In October, Lang Son, Vietnam, welcomes a beautiful transition into autumn, with temperatures reflecting a cozy ambiance. This month, the mercury ranges from a minimum of 15°C (59°F) to a comfortable average of 23°C (73°F), peaking at a maximum of 32°C (90°F). Compared to the sweltering heights of summer, October's climate presents a refreshing change that encourages outdoor exploration. As the humidity begins to wane, both locals and visitors can enjoy the vibrant landscapes and cultural festivities without the oppressive heat, making it an ideal time to experience the natural beauty and rich traditions of this northern region.
In October, Lang Son experiences a notable dip in precipitation compared to the preceding months, with 170 mm (6.7 in) of rain falling over approximately 15 days. This marks a decrease from the heavy rains of August, where a staggering 346 mm (13.6 in) fell, likely a remnant of the monsoonal influences that dominate the late summer months. However, October still retains a significant amount of rainfall as it transitions towards the drier season, showcasing the region's unique climatic rhythm. The fewer rain days this month hint at a gradual shift toward clearer skies, as the city's residents and nature alike prepare for the upcoming cooler and less wet months of November and December.
In October, Lang Son, Vietnam experiences a notable shift in humidity, averaging 77%. This marks a slight decrease from the peak levels seen in the summer months of July and August, which soared to 90% and 89%, respectively. As the rainy season gradually gives way to drier conditions, October's humidity remains higher than the early months of the year, where readings hovered between 66% and 71%. This time of year captures the lingering warmth of summer while hinting at the approaching transition into cooler, drier months. Overall, October’s humidity reflects the tail end of the wet season, offering a humid atmosphere that gradually paves the way for the milder November days ahead.
In October, Lang Son experiences a UV Index of 11, placing it firmly in the extreme exposure category with a recommended burn time of just 10 minutes. This trend mirrors the high UV levels seen throughout the summer months, particularly in August, which recorded an impressive UV Index of 14. As the year progresses, the UV Index starts to decline, but October still demands precaution as it continues to be a month of significant sun exposure, just before the cooler months set in. For more information on how to stay safe under the sun, check out the comprehensive details at Lang Son UV Index.
UV Risk Categories
October in Lang Son, Vietnam, shines brightly with 252 hours of sunlight, marking a delightful peak as the region transitions into autumn. This month continues the trend of substantial daylight seen throughout the year, especially following the vibrant sunny days of May through July, where the hours reached a remarkable 297 to 292. While sunshine hours dip slightly in the months that follow, October stands out as a perfect blend of lingering warmth and the gentle onset of cooler weather, offering a beautiful backdrop for outdoor adventures and cultural experiences. As the landscape transforms with fall foliage, the moderate sunshine serves as an invitation to explore Lang Son's natural beauty before the year wraps up.
As October approaches in Lang Son, Vietnam, the likelihood of basking in sunny weather rises to 31%, offering a pleasant shift from the more overcast months of July and August, which see chances as low as 11%. This gradual increase in sunlit days is a welcome contrast to the spring months, where sunlight is fleeting with chances dwindling to just 11% by April. Following a slightly better September at 24%, October marks a transitional moment, hinting at more opportunities to enjoy the outdoors before the sunniest months arrive in December, boasting 48% of sunny days. Therefore, while October may not promise constant sunshine, it encourages outdoor exploration amidst the beautiful autumn scenery.
As October arrives in Lang Son, Vietnam, the daylight duration begins to taper off, offering approximately 11 hours of sunlight each day. This slight decrease follows a vibrant summer, where the region enjoyed 13 hours of daylight during the peak months of May through July. In contrast, the earlier months of the year welcomed shorter days, starting at 10 hours in January, gradually increasing as spring approached. The transition into late autumn brings about a more subdued daylight pattern, reflecting a natural rhythm that marks the shift from the sun-drenched days of summer to the cooler, shorter days of winter. This ebb and flow in daylight not only shapes the landscape but also influences the daily life and activities in Lang Son.
In Lang Son, Vietnam, the arrival of October signals a refreshing change in the seasonal winds, where the average wind speed rises notably to 4.0 m/s (9 mph). This increase marks the transition from the lighter breezes of summer, which dwindle to their annual low in September at just 1.5 m/s (3 mph). As the region shifts into autumn, the invigorating winds breathe life into the landscape, providing a welcome briskness after the stillness of previous months. Notably, October's winds are the strongest since May, indicating a trend where autumn often ushers in higher wind speeds, setting the stage for a lively transition into the cooler months ahead.
Weather in Lang Son varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Lang Son, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present starkly different weather contrasts. In October, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), accompanied by high humidity at 77% and significant rainfall totaling 170 mm (6.7 in) over about 15 days. In contrast, January experiences much cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 27°C (80°F). The precipitation is lighter at 55 mm (2.2 in), falling on approximately 11 days, and the humidity is lower at 66%. For more details on January's conditions, you can check Lang Son weather in January.
October and February present distinct weather patterns. In October, temperatures range from a mild 15°C (59°F) to a warm 32°C (90°F), with an average of 23°C (73°F). This month experiences significant rainfall, accumulating around 170 mm (6.7 in) over approximately 15 days, and humidity levels are high at 77%. In contrast, February features cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 28°C (83°F), averaging 16°C (61°F). Precipitation is considerably lower at 57 mm (2.2 in) across about 11 days, and humidity is also slightly reduced at 71%. For a detailed look at February weather in the region, visit Lang Son weather in February.
October features warmer temperatures with a minimum of 15°C (59°F) and an average of 23°C (73°F), reaching up to a maximum of 32°C (90°F). It also sees a considerable amount of rainfall, with 170 mm (6.7 in) falling over 15 days, andhumidity levels around 77%. In contrast, March offers cooler conditions, with a minimum temperature of 9°C (48°F) and an average of 20°C (68°F), while still peaking at 32°C (89°F). Precipitation is notably lower in March, at 92 mm (3.6 in) over 21 days, accompanied by a more comfortable humidity of 69%. For more detailed information, check out Lang Son weather in March.
In comparing the weather of October and April, October typically sees warmer average temperatures, ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), while April's temperatures fluctuate between 10°C (50°F) and 34°C (93°F). Although April can reach slightly higher maximum temperatures, its overall average is similar to that of October. When it comes to precipitation, October is significantly wetter, with 170 mm (6.7 in) of rain over 15 days compared to April's 117 mm (4.6 in) over 18 days. Additionally, October has a higher humidity level at 77%, while April's humidity sits at a more comfortable 64%. For more insights on April weather, you can visit Lang Son weather in April.
In comparing the weather between October and May, we can observe distinct differences. October experiences a milder temperature range, with a minimum of 15°C (59°F) and an average of 23°C (73°F), while May boasts warmer conditions, hitting an average of 26°C (78°F) and a maximum of 35°C (96°F). Both months see considerable precipitation, with October receiving 170 mm (6.7 in) over 15 days and May slightly higher at 179 mm (7.1 in) over 22 days. Notably, humidity levels are also higher in October at 77%, compared to May's 73%. For a more detailed view of May weather patterns, you can visit Lang Son weather in May.
In comparing the weather between October and June, we observe distinct differences in temperature and precipitation. October typically has milder temperatures with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at 32°C (90°F). In contrast, June sees higher temperatures, starting at a minimum of 20°C (69°F) and averaging 28°C (83°F), reaching a high of 37°C (100°F). Precipitation is also more substantial in June, with 235 mm (9.2 in) falling over 21 days, compared to October's 170 mm (6.7 in) across 15 days. Additionally, humidity levels are slightly higher in June at 81%, compared to 77% in October. For more detailed insights on June weather, you can check Lang Son weather in June.
When comparing the weather in October and July, we can see distinct differences in temperature, precipitation, and humidity levels. October features a milder climate with minimum temperatures of 15°C (59°F) and an average of 23°C (73°F), peaking at 32°C (90°F). In contrast, July is significantly warmer, with minimum temperatures around 23°C (73°F) and an average of 28°C (82°F), reaching maximums of 35°C (96°F).
In terms of precipitation, October receives 170 mm (6.7 in) over 15 days, while July experiences more rainfall, totaling 243 mm (9.6 in) across 23 days. Furthermore, humidity levels are higher in July at 90%, compared to October's 77%. For those interested in exploring July's specific conditions, you can read more about the weather here: Lang Son weather in July.
October weather is generally milder than that of August, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), compared to August's warmer range of 22°C (72°F) to 35°C (96°F). While October features an average temperature of 23°C (73°F), August maintains a higher average of 27°C (81°F). Additionally, October experiences less precipitation, with 170 mm (6.7 in) over 15 days, whereas August has a significantly higher rainfall of 346 mm (13.6 in) spread over 28 days, leading to a more humid environment at 89% humidity in August compared to 77% in October. For more detailed insights, be sure to check Lang Son weather in August.
In comparing the weather of October and September, October brings slightly cooler temperatures with a minimum of 15°C (59°F) and an average high of 32°C (90°F), while September is warmer, showcasing a minimum of 19°C (67°F) and reaching up to 34°C (94°F). Both months experience considerable precipitation, but October records 170 mm (6.7 in) over 15 days, whereas September receives more rainfall at 198 mm (7.8 in) spread across 22 days. Humidity levels remain high in both months, with October at 77% and September slightly higher at 82%. For more detailed insights, you can check Lang Son weather in September.
October and November exhibit noticeable differences in weather patterns. October brings warmer temperatures, with a minimum of 15°C (59°F) and an average of 23°C (73°F), while November cools down, featuring a minimum of 9°C (48°F) and an average of 20°C (68°F). Precipitation also decreases significantly; October experiences 170 mm (6.7 in) of rainfall over 15 days, contrasted with November's much lighter 39 mm (1.6 in) spread over just 9 days. Humidity levels are slightly lower in November at 72%, compared to October's 77%. For a closer look at November's conditions, visit Lang Son weather in November.
October and December present quite a contrast in weather. In October, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F). The month is marked by higher precipitation, totaling 170 mm (6.7 in) over 15 rainy days, and a humidity level of 77%. In contrast, December sees a significant drop in temperature, with a minimum of 4°C (40°F) and a maximum of 28°C (82°F), averaging 15°C (60°F). Precipitation also decreases to 51 mm (2.0 in) over just 9 rainy days and humidity drops to 71%. For further details on December's weather patterns, you can visit Lang Son weather in December.
As October arrives in Lang Son, the weather presents a delightful transition from the warmth of the preceding months. With average temperatures hovering around a comfortable 23°C (73°F), this month is notably cooler than the scorching summer, making it an ideal time for outdoor exploration. However, be prepared for increased precipitation, as October sees more rainy days, contributing to the region's lush greenery. The humidity levels also remain high, creating a tropical atmosphere that enhances the vibrant landscapes. For a deeper understanding of what to expect, check out the detailed insights at Lang Son Climate.