Last updated: August 28, 2025
In June, Ha Long, Vietnam, experiences a vibrant summer climate characterized by warm temperatures and high humidity. With daily highs reaching up to 38°C (100°F) and an average of 30°C (86°F), visitors should prepare for the heat while enjoying the stunning scenery. Nighttime offers a respite with lows around 23°C (74°F). However, be mindful of the 240 mm (9.4 in) of rain spread over 20 days, adding a tropical flair to the air. The humidity levels, averaging 81%, create a lush, verdant environment perfect for exploring Ha Long's famous landscapes. Take advantage of the warmth while staying aware of the showers that are a staple of this beautiful coastal region.
In June, Ha Long, Vietnam, experiences a noticeable shift into summer, with temperatures rising significantly compared to earlier months. The minimum temperature climbs to a warm 23°C (74°F), while the average soars to 30°C (86°F), peaking at a sizzling 38°C (100°F). This trend marks a transition from the milder, spring-like conditions of previous months, distinctly highlighting the region's emerging tropical climate. As the weather heats up, visitors can expect long, sun-drenched days ideal for exploring the stunning seascapes and lush greenery that Ha Long has to offer. With the warmth also comes humidity, setting the stage for vibrant summer activities amidst one of Vietnam's most breathtaking natural wonders.
June marks a significant peak in precipitation in Ha Long, Vietnam, with an impressive 240 mm (9.4 in) of rainfall spread over 20 days. This heavy rainfall sets the stage for the region, as it transitions into the height of the monsoon season in July and August, where monthly totals continue to rise sharply. The consistent increase from earlier months—most notably the leap from 184 mm (7.2 in) in May—illustrates a clear trend of intensifying wet conditions. The lush landscapes of Ha Long flourish during this time, as the combination of warmth and moisture fosters vibrant growth, although visitors should be prepared for frequent showers. As the month unfolds, the gradual build-up to the peak rainy spell paints a picture of a dynamic and ever-changing climate, characteristic of the tropical season in this stunning coastal region.
In June, Ha Long experiences a significant rise in humidity, reaching 81%, a marked increase from the milder months of April and May. This uptick signals the onset of the summer season, where the humidity continues to escalate, peaking in July at a staggering 90%. The general trend throughout the first half of the year showcases a gradual climb in humidity levels, with the months of February and May also displaying elevated figures. As summer unfolds, visitors can anticipate a warm, muggy atmosphere filled with the lushness of Ha Long's breathtaking landscapes, making it a unique, albeit steamy, experience for travelers.
In June, Ha Long experiences a notably high UV Index of 12, placing it in the extreme category. This level of UV radiation necessitates minimal sun exposure, with a burn time of just 10 minutes. As summer unfolds, the UV Index trends remain consistently elevated, mirroring the values seen in March to May and continuing into the hotter months of July to September. The rising UV levels underscore the importance of sun protection during this period. For more detailed insights on UV levels throughout the year, visit Ha Long UV Index.
UV Risk Categories
June brings a delightful warmth to Ha Long, Vietnam, with an impressive 297 hours of sunshine that perfectly captures the essence of summer. Following the vibrant peak of May, with its 307 sunshine hours, June maintains a bright atmosphere, making it an ideal time for outdoor adventures and exploring the breathtaking limestone islands. While the sunshine slightly dips in July to 299 hours, the sun's radiant presence still lingers throughout the season. With each passing month, Ha Long showcases a gradual trend of increasing daylight from the gloom of January’s 170 hours to the sun-soaked days of mid-year, drawing locals and tourists alike to bask in its beauty.
When it comes to sunny weather in Ha Long, Vietnam, June sees a notable dip in the likelihood of clear skies, with only a 14% chance of sunshine. This marks a significant decline compared to the months preceding it, especially from January's 43% and February's 51% sunshine opportunities. As spring transitions into summer, the probability of sunny days continues to shrink, reaching its lowest in August at just 12%. Following June, there's a slight rebound in September and October, but the summer months generally bring more clouds than sun. This trend suggests that those planning a June visit should prepare for the possibility of overcast skies rather than bright sunshine.
In Ha Long, Vietnam, the month of June bathes the region in a generous 13 hours of daylight, a continuation of the extended sunlight that begins in May. This trend is prevalent throughout the summer months, with July also enjoying the same abundant light. As spring transitions into summer, the increasing daylight promotes vibrant natural beauty and a lively atmosphere, perfect for exploration. However, as August approaches, the day length begins to dim slightly, hinting at the gradual shift towards autumn. Overall, this pattern of fluctuating daylight hours reflects the region's unique climate, making June a particularly delightful time to experience the stunning landscapes and cultural richness of Ha Long.
In June, Ha Long experiences a gentle breath of wind, with an average speed of 3.7 m/s (8 mph), mirroring the slightly stronger winds of May. This steady breeze enhances the enchanting atmosphere of the region, providing a refreshing contrast to the summer heat. As the month progresses, the winds remain consistent, allowing for delightful boat rides and exploration of the iconic limestone karsts. Notably, June shares its wind speed with July, but it's distinctively livelier compared to the calmer conditions in the months that follow, particularly September, where the winds taper off to around 2.2 m/s (5 mph). This trend underscores Ha Long's dynamic weather patterns, making June a perfect time for outdoor adventures amidst its stunning landscapes.
Weather in Ha Long varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Ha Long, focusing on differences in temperature, rainfall, humidity, and UV levels.
In June, the weather is significantly warmer and more humid, with average temperatures reaching 30°C (86°F) and highs soaring up to 38°C (100°F). This month also experiences considerable rainfall, averaging 240 mm (9.4 in) over about 20 days, creating a lush, tropical atmosphere. In contrast, January presents a much cooler climate, with average temperatures around 18°C (64°F) and maximums of 26°C (80°F). Precipitation is minimal during this time, totaling only 28 mm (1.1 in) over roughly 5 days, and the humidity is lower at 66%. For more detailed insights, you can check Ha Long weather in January.
June and February display a stark contrast in weather conditions. June boasts warm temperatures, with lows of 23°C (74°F) and highs reaching up to 38°C (100°F), while February presents much cooler temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F). Additionally, June is significantly wetter, receiving 240 mm (9.4 in) of precipitation over 20 days compared to February's modest 36 mm (1.4 in) spread across just 7 days. The humidity is also higher in June at 81%, compared to 71% in February. For more details about February weather, visit Ha Long weather in February.
June and March present contrasting weather patterns. June is noticeably warmer, with temperatures ranging from a minimum of 23°C (74°F) to a scorching maximum of 38°C (100°F), while March offers a cooler experience with temperatures from 14°C (57°F) to 31°C (88°F). Precipitation also significantly differs between the two months: June receives an average of 240 mm (9.4 in) of rain over 20 days, whereas March sees just 52 mm (2.0 in) over 15 days. Additionally, June's humidity level is higher at 81%, compared to March's 69%, making June feel more sultry and tropical. For more specific details on the weather during March, you can check Ha Long weather in March.
When comparing the weather in June and April, significant differences emerge in temperature, precipitation, and humidity. June experiences warmer temperatures, with a minimum of 23°C (74°F) and an average high of 30°C (86°F), reaching up to 38°C (100°F). In contrast, April has a cooler temperature range, with a minimum of 14°C (58°F) and an average high of 24°C (75°F), peaking at 33°C (91°F). Additionally, June is much wetter, receiving 240 mm (9.4 in) of precipitation over approximately 20 days, whereas April has only 91 mm (3.6 in) spread across 15 days. The humidity in June also stands at a high 81%, compared to a more comfortable 64% in April. For more insights on April weather, you can check Ha Long weather in April.
In comparison to May, June experiences higher temperatures, with minimums reaching 23°C (74°F) and average highs of 30°C (86°F), contrasting with May's minimum of 19°C (66°F) and an average of 27°C (81°F). June also sees a slight increase in maximum temperatures, peaking at 38°C (100°F) compared to May's 36°C (98°F). Additionally, June is characterized by increased precipitation, recording 240 mm (9.4 in) over 20 rainy days, whereas May has less rainfall at 184 mm (7.2 in) across 19 days. The humidity in June is notably higher at 81%, compared to May's 73%. For more detailed information on the weather conditions during May, you can visit Ha Long weather in May.
In June, the weather is characterized by warmer temperatures with a minimum of 23°C (74°F) and an average of 30°C (86°F), peaking at a maximum of 38°C (100°F). However, it also experiences significant rainfall, with 240 mm (9.4 in) of precipitation over 20 days and humidity levels reaching 81%. Conversely, July sees slightly elevated temperatures, with a minimum of 25°C (77°F) and an average of 29°C (85°F), while the maximum drops to 36°C (98°F). Rainfall increases to 287 mm (11.3 in) over 24 days, resulting in higher humidity at 90%. For more detailed insight into July's climate, you can check this link: Ha Long weather in July.
June and August exhibit distinct weather patterns, with June generally warmer than August. In June, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), with an average of 30°C (86°F). The month experiences significant rainfall, totaling 240 mm (9.4 in) over approximately 20 days, and humidity levels are around 81%. In contrast, August has slightly higher minimum temperatures at 24°C (76°F) and lower average temperatures of 28°C (83°F), peaking at 36°C (97°F). However, it is marked by even more substantial rainfall, with 521 mm (20.5 in) spread over 28 days and elevated humidity levels of 89%. For more details on the weather specifics during this month, you can visit Ha Long weather in August.
June and September showcase distinct weather characteristics, with June being hotter and more humid. In June, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), averaging at 30°C (86°F). Precipitation is substantial, with 240 mm (9.4 in) spread over 20 days, and humidity levels peak at 81%. Conversely, September sees slightly lower temperatures, with a high of 35°C (95°F) and an average of 28°C (83°F), while the minimum temperature is 22°C (72°F). Although September has a higher total precipitation of 256 mm (10.1 in) over 23 days and a marginally higher humidity of 82%, the overall climate feels more comfortable compared to the sweltering heat of June. For more detailed information on weather conditions, check out Ha Long weather in September.
June and October present contrasting weather patterns. In June, temperatures soar with a minimum of 23°C (74°F) and an average high reaching up to 38°C (100°F), resulting in a hot and humid atmosphere with an average humidity of 81%. This month also sees significant rainfall, with 240 mm (9.4 in) of precipitation spread over 20 days. In contrast, October experiences milder conditions, with minimum temperatures around 17°C (63°F) and an average high of 34°C (94°F). Precipitation decreases to 204 mm (8.0 in) over 16 days, and humidity drops slightly to 77%. For a detailed look at October weather, check out Ha Long weather in October.
June and November showcase significantly different weather patterns. In June, temperatures soar with minimums around 23°C (74°F) and maximums reaching up to 38°C (100°F), making it the warmest month of the year. The humidity is also high at 81%, accompanied by considerable rainfall of 240 mm (9.4 in) spread over 20 days, creating a lush, tropical atmosphere. Conversely, November experiences much milder conditions with average temperatures around 22°C (73°F), ranging from a cooler minimum of 12°C (54°F) to a comfortable maximum of 30°C (86°F). Precipitation drops dramatically to 43 mm (1.7 in) over just 9 days, and humidity decreases to 72%, contributing to a more comfortable environment. For those looking to explore Ha Long during this time, additional details can be found in Ha Long weather in November.
June and December present contrasting weather conditions, with June characterized by heat and humidity, while December brings cooler temperatures. In June, temperatures range from a minimum of 23°C (74°F) to a maximum of 38°C (100°F), accompanied by heavy precipitation of 240 mm (9.4 in) over approximately 20 days, and a high humidity level of 81%. In stark contrast, December sees milder temperatures, with a minimum of 8°C (46°F) and a maximum of 28°C (82°F), resulting in significantly lower precipitation of only 31 mm (1.2 in) spread over 6 days, along with a humidity level of 71%. For more detailed information on December weather, you can visit Ha Long weather in December.
June in Ha Long marks a significant transition in weather, setting it apart from the cooler months earlier in the year. With temperatures soaring to a maximum of 38°C (100°F) and an average warmth of 30°C (86°F), this month ushers in the heat of summer, accompanied by high humidity levels reaching 81%. Rain becomes more frequent as well, with 20 days of precipitation adding a tropical feel. Visitors should prepare for a damp and warm climate, making it essential to plan activities around these conditions. For more details on the captivating climate of this stunning region, check out Ha Long Climate.