Last updated: August 28, 2025
March in Ha Long, Vietnam ushers in a delightful transition into spring, characterized by a maximum temperature reaching 31°C (88°F) and an average of 21°C (71°F). With minimum temperatures dipping to 14°C (57°F), visitors can expect mild and comfortable weather. The month sees a total precipitation of 52 mm (2.0 in), spread across 15 rainy days, contributing to the region's lush landscapes. Relative humidity hovers around 69%, adding a gentle warmth to the refreshing breezes, making it an ideal time for exploration and enjoying the breathtaking views of Ha Long Bay.
March in Ha Long, Vietnam marks a transition into warmer weather, with temperatures rising noticeably after the cooler winter months. The minimum temperature starts at a comfortable 14°C (57°F), while the average temperature climbs to a delightful 21°C (71°F). This month often showcases its warmth with a maximum of 31°C (88°F), making it one of the first signs of spring. As the days lengthen and the sun shines brighter, it’s the perfect time to explore the stunning limestone islands and vibrant culture of the region. Overall, March is characterized by a gentle increase in warmth, inviting visitors to enjoy the natural beauty of Ha Long Bay while basking in pleasantly mild weather.
March in Ha Long, Vietnam, marks a significant shift in precipitation patterns as the region transitions into the wet season. With 52 mm (2.0 in) of rain over 15 days, March experiences a notable increase in moisture compared to the earlier months, highlighting a burgeoning trend toward heavier rainfall that continues into the spring. This is a precursor to April's substantial leap to 91 mm (3.6 in), as the region gears up for an even wetter period in the months ahead. The steady rise not only brings life to the lush landscapes of Ha Long but also sets the stage for the intense rainfall that characterizes the upcoming summer months, creating a vibrant and dynamic environmental backdrop.
In March, Ha Long, Vietnam experiences a moderate humidity level of 69%, creating a pleasant backdrop as the region transitions from the cooler months of winter. Following a brief uptick in humidity during February at 71%, March marks a slight decline, hinting at the impending shift into the drier April. This gradual fluctuation reflects a broader trend of increasing humidity leading into the summer months, with levels rising significantly by May to 73%, and soaring to a peak of 90% in July. Visitors in March can enjoy relatively comfortable conditions before the humidity escalates, making it an ideal time for exploration amidst the stunning landscape of Ha Long Bay.
In March, Ha Long, Vietnam experiences a significant rise in the UV Index, reaching 12 and categorizing the exposure as extreme. This marks an increase from February's UV Index of 10, highlighting a trend towards more intense sun exposure as spring approaches. The burn time drops to just 10 minutes, urging visitors and locals alike to be vigilant about sun safety. As the months progress, this pattern of high UV levels continues into April and May, where the UV Index peaks at 13. To ensure your safety, it’s essential to stay informed about the UV levels and take appropriate precautions by visiting Ha Long UV Index.
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In March, the charming city of Ha Long, Vietnam, enjoys a delightful 201 hours of sunshine, setting the stage for the vibrant transition into spring. This period signals a shift from the cooler winter months, notably marked by January's 170 hours and February's 217 hours, as daylight begins to lengthen and nature awakens. As the month progresses, it becomes clear that March acts as a bridge to even sunnier days ahead, with April boasting 248 hours of radiant sunshine. This increasing trend highlights the allure of Ha Long's early spring, enticing visitors to explore its stunning landscapes and vibrant culture under the warming sun.
In Ha Long, Vietnam, the likelihood of sunny weather experiences a marked decline in March, with only a 24% chance of sunshine, one of the lowest points in the year. This shift follows a progressive increase from 43% in January to 51% in February, suggesting a brief period of brighter skies before the transition into a wetter spring. As the months progress toward peak summer, the chance of sunlight fluctuates, with April dropping even further to 20% and May revealing a modest rebound to 31%. Overall, while the early months of the year hold promising sunlit days, March seems to usher in a cloudier phase, setting the stage for the changing weather patterns ahead.
As spring unfolds in Ha Long, Vietnam, March brings a delightful increase in daylight, with 12 hours of sunshine illuminating the landscape. This marks the transition from the shorter days of winter, where January and February offered only 10 and 11 hours, respectively. The trend is a steady climb towards longer daylight, peaking in the vibrant summer months of May through July, which bask in 13 hours of daylight. As the year progresses, daylight begins to taper off again, returning to 11 hours in October and dwindling to 10 hours by December. This gradual ebb and flow of daylight not only enhances the beauty of Ha Long's stunning scenery but also invites outdoor adventures and moments of serenity along its renowned waters.
As March graces Ha Long, Vietnam with mild breezes averaging 2.9 m/s (6 mph), it marks a delightful transition into spring. This wind speed mirrors January's conditions, suggesting a consistent approach to the season's change, while hinting at what’s to come. As temperatures rise, the winds gently pick up in April to 3.0 m/s (7 mph), and continue to strengthen into May and June, where they reach 3.7 m/s (8 mph), invigorating the region with a refreshing touch. The trend indicates a gradual increase towards the summer months, before softening again as the year wanes. With March's enchanting winds, it's the perfect prelude to the vibrant landscapes and serene waters that define Ha Long's allure.
Weather in Ha Long varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Ha Long, focusing on differences in temperature, rainfall, humidity, and UV levels.
March offers warmer temperatures compared to January, with minimums of 14°C (57°F) rising to an average of 21°C (71°F) and maximums reaching as high as 31°C (88°F). In contrast, January sees cooler conditions, with minimums of 8°C (46°F), averages around 18°C (64°F), and maximums peaking at 26°C (80°F). Additionally, March is characterized by higher precipitation, at 52 mm (2.0 in) over 15 days, while January experiences only 28 mm (1.1 in) across 5 days. Despite the slight increase in humidity during March at 69% compared to January's 66%, the overall climate shift makes March feel significantly warmer. For a more detailed look at January weather, you can refer to Ha Long weather in January.
In comparing the weather of February and March, we can see notable differences in temperature and precipitation. February experiences a cooler temperature range with a minimum of 7°C (45°F) and a maximum of 27°C (80°F), while March warms up significantly, with temperatures starting at a minimum of 14°C (57°F) and peaking at 31°C (88°F). Precipitation also varies between the two months; February sees less rain, with a total of 36 mm (1.4 in) over just 7 days, whereas March has increased rainfall of 52 mm (2.0 in) spread across 15 days. Additionally, humidity levels are slightly higher in February at 71% compared to 69% in March. For more details on February weather conditions, you can check Ha Long weather in February.
March and April reveal a noticeable shift in weather patterns. While March boasts an average temperature of 21°C (71°F) with a maximum of 31°C (88°F), April raises the average to 24°C (75°F) and peaks at 33°C (91°F). Both months experience similar precipitation days, with March receiving 52 mm (2.0 in) and April increasing to 91 mm (3.6 in). Interestingly, April's humidity drops slightly to 64% compared to March's 69%. For more specific details about the weather during this time, you can explore Ha Long weather in April.
In March, the weather is relatively mild, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 31°C (88°F) and an average of 21°C (71°F). The month experiences about 52 mm (2.0 in) of precipitation spread over 15 days, coupled with a humidity level of 69%. In contrast, May brings significantly warmer conditions, with temperatures varying from a minimum of 19°C (66°F) to a scorching maximum of 36°C (98°F) and an average temperature of 27°C (81°F). This month also sees an increase in rainfall, totaling 184 mm (7.2 in) across 19 days, along with a slightly higher humidity of 73%. For more details on the weather during this month, you can visit Ha Long weather in May.
In March, the weather is characterized by milder temperatures, with daytime averages around 21°C (71°F) and a maximum of 31°C (88°F). The month experiences moderate humidity at 69% and sees about 52 mm (2.0 in) of precipitation spread over 15 days. In contrast, June brings much warmer conditions, with lows of 23°C (74°F) and highs reaching up to 38°C (100°F). This month is also significantly wetter, accumulating 240 mm (9.4 in) of rainfall over 20 days and displaying higher humidity levels at 81%. For those interested in exploring specifics about this month, check out Ha Long weather in June.
In comparing the weather of March and July, it's clear that July is significantly warmer and wetter. In March, temperatures range from a mild 14°C (57°F) to a warm 31°C (88°F) with an average of 21°C (71°F). Precipitation is relatively moderate at 52 mm (2.0 in) over about 15 days, and humidity sits at around 69%. In contrast, July sees much higher temperatures, with a minimum of 25°C (77°F), an average of 29°C (85°F), and a maximum reaching 36°C (98°F). The month also experiences a notable increase in rainfall, totaling 287 mm (11.3 in) over 24 days, accompanied by higher humidity levels at 90%. For a detailed look at the July climate, you can check Ha Long weather in July.
March and August present quite contrasting weather conditions. In March, temperatures range from a mild 14°C (57°F) to a warm 31°C (88°F), with an average of 21°C (71°F) and a relative humidity of 69%. The month typically experiences around 52 mm (2.0 in) of precipitation over 15 days, making it relatively dry compared to August. On the other hand, August sees significantly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 36°C (97°F), averaging at 28°C (83°F). This month is notably wetter, with an impressive 521 mm (20.5 in) of rainfall spread over 28 days and humidity levels soaring to 89%. For a detailed look at August conditions, visit Ha Long weather in August.
March and September showcase notable differences in weather patterns. In March, temperatures range from a mild minimum of 14°C (57°F) to a warm maximum of 31°C (88°F), with an average of 21°C (71°F). The month experiences about 52 mm (2.0 in) of precipitation over 15 days, accompanied by a humidity level of 69%. In contrast, September brings significantly hotter temperatures, with a minimum of 22°C (72°F) and a maximum reaching up to 35°C (95°F), averaging 28°C (83°F). Precipitation also rises dramatically to 256 mm (10.1 in) over 23 days, along with increased humidity at 82%. The stark differences between these two months highlight the transition from the mild warmth of early spring to the heat and potential rainfall of late summer. For more detailed information, check out Ha Long weather in September.
March and October present contrasting weather patterns, highlighting the transition between seasons. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 31°C (88°F), with an average of 21°C (71°F), while October boasts slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 34°C (94°F), averaging 25°C (77°F). Precipitation also varies significantly; March experiences 52 mm (2.0 in) of rainfall over 15 days, whereas October sees a substantial increase with 204 mm (8.0 in) spread across 16 days. Additionally, humidity rises in October to 77%, compared to March's 69%, indicating a more humid environment as the year progresses. For a detailed look at October weather, you can visit Ha Long weather in October.
March and November exhibit mild temperatures, with March experiencing a slightly wider range, having a minimum of 14°C and a maximum of 31°C, compared to November's minimum of 12°C and maximum of 30°C. The average temperature in both months is fairly similar, with March averaging 21°C and November averaging 22°C. Precipitation is more frequent in March, occurring over 15 days and totaling 52 mm, while November sees less rain over 9 days with a total of 43 mm. Humidity levels are also fairly comparable, with March at 69% and November at 72%. For a detailed look, check out Ha Long weather in November.
In comparing the weather of March and December, March tends to be warmer, with minimum temperatures around 14°C (57°F) and maximums reaching up to 31°C (88°F), while December offers cooler temperatures, ranging from a minimum of 8°C (46°F) to a maximum of 28°C (82°F). Additionally, March experiences more precipitation, with an average of 52 mm (2.0 in) over 15 days, compared to December's lighter rainfall of 31 mm (1.2 in) spread across just 6 days. Both months have similar humidity levels, hovering around 69% in March and slightly higher at 71% in December, making December a bit more comfortable while still retaining a touch of moisture. For more specific details on December weather, you can refer to Ha Long weather in December.
March in Ha Long heralds the arrival of milder, more temperate weather, setting it apart from the more extreme conditions experienced in both the winter and summer months. As the region transitions from the chill of winter, visitors can expect delightful average temperatures kissed by refreshing breezes, making it a fantastic time for outdoor exploration. While you may encounter a few rainy days, the overall humidity remains manageable, creating a pleasant atmosphere for sightseeing. Embrace the beauty of Ha Long in March and discover why this month is a favored choice for travelers. For more insights on what to expect, visit Ha Long Climate.