Last updated: August 28, 2025
December in Dong Hoi, Vietnam offers a mild retreat as temperatures range from a cozy 15°C (59°F) to a pleasant 27°C (81°F), with an average sitting comfortably at 20°C (69°F). This month is characterized by considerable precipitation, totaling around 250 mm (9.8 in), spread over 21 days, making it one of the wetter months. Humidity is notably high at 83%, contributing to a rich, lush landscape but also a damp atmosphere. Visitors should be prepared for a blend of cool breezes and frequent showers, perfect for experiencing the region's vibrant culture and scenic beauty.
In December in Dong Hoi, Vietnam, temperatures begin to dip, offering a refreshing change as the year winds down. With minimums around 15°C (59°F) and maximums reaching up to 27°C (81°F), the month showcases a comfortable average of 20°C (69°F). This gradual cooling transition follows the warm aftermath of late fall, where temperatures peaked at a cozy 30°C (86°F) in November. December's weather is marked by mild days and cooler nights, inviting both locals and travelers to enjoy the scenic beauty of this coastal city without the sweltering heat of the peak summer months. As the festive season approaches, the pleasant climate makes Dong Hoi an attractive destination for exploration and relaxation alike.
In December, Dong Hoi, Vietnam experiences a notable shift in precipitation patterns, with 250 mm (9.8 in) of rainfall spread over 21 days. This marks a significant decrease from the torrential downpours seen in October and November, where precipitation reached 734 mm (28.9 in) and 424 mm (16.7 in), respectively. The consistent rainfall in December continues the trend of a wet end to the year, yet the numbers reflect a transition to more manageable levels, diverging from the intense monsoon conditions of the prior months. The month maintains a sense of moisture in the air, nurturing the lush Vietnamese landscapes while providing a respite from the heavy deluges experienced earlier.
In December, Dong Hoi experiences a relative humidity of 83%, maintaining high levels typical for the rainy season. As the year progresses, humidity shows a clear trend: starting from a more comfortable 60% in April, it gradually increases, peaking in July with a staggering 90%. The months that follow, particularly August and September, remain exceptionally humid, reaching 92% and 87% respectively. While December marks a slight dip from the peak summer humidity, it is still notably high, suggesting that the city's moisture-laden air lingers well into the winter months. The consistent humidity throughout the year indicates a tropical climate, where dampness and warmth are prevalent, making December feel both fresh and mildly oppressive.
In December, Dong Hoi, Vietnam, experiences a UV Index of 8, placing it in the very high exposure category with a burn time of just 15 minutes. This month, while showing a slight decrease compared to the extreme levels seen from February to October, still demands caution for outdoor activities. Notably, the UV Index trends reveal a consistent pattern of increasing intensity during the first half of the year, peaking at 14 in both April and May, before gradually tapering off towards the year's end. As the holiday season approaches, it's essential to remain vigilant about sun exposure. For more details on how to stay safe under the sun, visit Dong Hoi UV Index.
UV Risk Categories
December in Dong Hoi, Vietnam, welcomes a warm embrace of sunshine, with 241 hours of brilliant daylight illuminating the landscape. As the year draws to a close, daylight hours gently taper off from the exuberance of the preceding months, notably May, which boasts the highest sunshine at 323 hours. While December may not match the peak brightness of summer, it still offers a delightful contrast to the chilly weather in many parts of the world. The trend throughout the year showcases a vibrant shift, with March and April also enjoying considerable sunshine, making Dong Hoi a perfect escape for those seeking to bask in the sun's glow as the year ends. Embrace the gentle warmth of December, as it showcases a softer, yet still vibrant, fade into the tranquil charm of Vietnam’s coastal beauty.
In Dong Hoi, Vietnam, the likelihood of sunny weather in December is relatively low, with only a 16% chance of sunshine. This trend marks a decline compared to the slightly brighter conditions seen in earlier months, such as February, which boasts a 44% chance of sun, and May at 46%. As the year progresses toward December, the frequency of sunny days tends to diminish, reflecting a broader pattern of fluctuating weather. With the wet season settling in, visitors can expect a mix of clouds and occasional rain rather than the sun-drenched days characteristic of spring, making it wise to prepare for overcast skies during this time.
In Dong Hoi, Vietnam, daylight duration exhibits a rhythmic pattern throughout the year, generally oscillating between 11 to 13 hours. As the year begins in January and February, the sun graces the skies for a consistent 11 hours each day, offering a gentle start to the year. Moving into the burgeoning spring and summer months of March through July, daylight peaks at an invigorating 13 hours in June and July, encouraging outdoor activities and exploration. As summer fades into autumn, daylight begins to wane, returning to 12 hours in August and September before tapering off again to 11 hours in December. This gradual ebb and flow of sunlight beautifully mirrors the seasonal transitions in this vibrant region, providing a dynamic backdrop to life in Dong Hoi.
As December approaches in Dong Hoi, Vietnam, the winds begin to pick up, averaging 4.4 m/s (10 mph), creating a refreshing ambiance in the coastal town. This month marks a noticeable shift from the gentler breezes of earlier months, particularly the lows of February and April, which hovered around 2.5 to 3.0 m/s. Following the summer, where wind speeds peaked at 4.8 m/s, the late-year winds present a delightful compromise—strong enough to invigorate the senses yet mild enough to enjoy the outdoors. The consistent breeze in December mirrors the month’s closeness to prior autumn months while hinting at the dynamic weather patterns that define Dong Hoi's coastal charm.
Weather in Dong Hoi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Dong Hoi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather typically features a minimum temperature of 15°C (59°F) and an average of 20°C (69°F), with maximum temperatures reaching 27°C (81°F). The month experiences substantial precipitation, totaling around 250 mm (9.8 in) over 21 days, and the humidity is relatively high at 83%. In contrast, January sees slightly cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 28°C (83°F), while maintaining a similar average of 20°C (68°F). Precipitation is lower in January at 145 mm (5.7 in), occurring over 19 days, and humidity decreases to 77%. For a more detailed look at January's weather, you can visit Dong Hoi weather in January.
December and February offer distinct weather experiences, characterized by their temperature and precipitation patterns. In December, temperatures range from a minimum of 15°C (59°F) to a maximum of 27°C (81°F), with an average of 20°C (69°F). The month is marked by significant rainfall, totaling 250 mm (9.8 in) over 21 days, resulting in high humidity levels averaging 83%. In contrast, February experiences slightly cooler temperatures, with a low of 11°C (52°F) and a high of 30°C (86°F), while maintaining the same average of 20°C (69°F). The rainfall is notably lower at 92 mm (3.6 in) across 16 days, and the humidity decreases to 73%. For a more detailed look at February weather, visit Dong Hoi weather in February.
In December, the weather is generally milder, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). However, it is also marked by significant rainfall, receiving approximately 250 mm (9.8 in) of precipitation over 21 days, leading to high humidity levels of 83%. In contrast, March brings warmer temperatures, with a minimum of 17°C (63°F), an average of 23°C (74°F), and a peak of 33°C (92°F). Precipitation in March decreases considerably to 89 mm (3.5 in) over 17 days, and humidity drops to a more comfortable 64%. For more details, you can check out Dong Hoi weather in March.
In December, the weather is generally cooler and more humid, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). This month experiences significant rainfall, totaling around 250 mm (9.8 in) across 21 days, which contributes to a high humidity level of 83%.
In contrast, April brings warmer temperatures, with averages reaching 25°C (77°F) and highs soaring up to 36°C (97°F). The rainfall in April is considerably less, with only 100 mm (3.9 in) spread over 16 days, and the humidity drops to a more comfortable 60%. For a detailed overview, you can check Dong Hoi weather in April.
In December, the weather is notably cooler and much more humid, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). This month experiences significant rainfall, totaling 250 mm (9.8 in) over 21 days, contributing to a high humidity level of 83%. In contrast, May offers a warmer climate, with temperatures starting at a minimum of 20°C (68°F) and reaching up to 37°C (99°F), showcasing an average of 28°C (82°F). Precipitation is much lighter at 91 mm (3.6 in) over 15 days, and the humidity drops to 73%. For more detailed insights on the weather in May, you can check Dong Hoi weather in May.
December and June present contrasting weather conditions. In December, temperatures range from a mild minimum of 15°C (59°F) to a comfortable average of 20°C (69°F) and reach a maximum of 27°C (81°F). This month also sees a significant amount of precipitation, with around 250 mm (9.8 in) of rain spread over 21 days, resulting in a high humidity level of 83%. In contrast, June features much warmer temperatures, with a minimum of 24°C (76°F), an average of 30°C (86°F), and peaks reaching up to 37°C (100°F). Rainfall is notably lighter in June, totaling only 47 mm (1.8 in) across just 8 rainy days, and the humidity remains relatively stable at 82%. For more detailed insights into the weather during this month, you can check Dong Hoi weather in June.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). However, this month also experiences significant rainfall, with 250 mm (9.8 in) of precipitation over 21 days, contributing to a humidity level of 83%. In contrast, July is considerably warmer, featuring temperatures that range from a minimum of 25°C (77°F) to a scorching maximum of 36°C (98°F), with an average temperature of 29°C (85°F). The precipitation in July is lower at 199 mm (7.9 in) over just 11 days, but the humidity rises to 90%, making it feel quite sultry. For more detailed insights about this month, you can check Dong Hoi weather in July.
When comparing the weather in December and August, it’s clear that August is significantly warmer, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 35°C (96°F). In contrast, December temperatures are milder, with averages between 15°C (59°F) and 27°C (81°F). Additionally, August experiences less rainfall, totaling 135 mm (5.3 in) over 12 wet days, while December is considerably wetter, with 250 mm (9.8 in) of precipitation across 21 days. Humidity levels are also higher in August at 92%, compared to December’s 83%. For more detailed information, you can check Dong Hoi weather in August.
When comparing the weather in December and September, notable differences emerge. December sees milder temperatures, ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F), with an average of 20°C (69°F). In contrast, September is considerably warmer, with temperatures fluctuating between 24°C (75°F) and 34°C (94°F), averaging 28°C (83°F). Furthermore, September experiences higher precipitation at 386 mm (15.2 in) over 19 days, compared to December's 250 mm (9.8 in) over 21 days. Humidity levels are also slightly elevated in September at 87%, versus 83% in December. For more detailed information, visit Dong Hoi weather in September.
In comparing the weather between December and October, it's clear that October tends to be warmer and wetter. October experiences higher temperatures, with a minimum of 20°C (68°F) and an average of 25°C (78°F), compared to December's milder minimum of 15°C (59°F) and an average of 20°C (69°F). Precipitation also significantly differs; October sees a whopping 734 mm (28.9 in) over 25 days, while December has 250 mm (9.8 in) over 21 days. Additionally, humidity levels are slightly elevated in October at 85%, compared to December's 83%. For a more detailed look at October's weather, you can visit Dong Hoi weather in October.
In comparing the weather conditions of December and November, it’s evident that December experiences slightly lower temperatures, with a minimum of 15°C (59°F) and an average of 20°C (69°F), compared to November's minimum of 16°C (61°F) and average of 23°C (74°F). While December has a maximum temperature of 27°C (81°F), November reaches up to 30°C (86°F), indicating a warmer overall climate in November. Precipitation is also notably higher in November with 424 mm (16.7 in) over 23 days, while December sees 250 mm (9.8 in) over 21 days, making December somewhat drier. Both months have high humidity, though November's humidity stands at 84%, slightly above December's 83%. For more detailed insights on November weather, visit Dong Hoi weather in November.
As December settles in Dong Hoi, the weather takes on a distinctly cooler profile compared to other months, with temperatures averaging around 20°C (69°F). While the region experiences a fair amount of rainfall, averaging 250 mm over 21 days, the humidity remains high at 83%, adding a damp chill to the air. Unlike the warmer summer months, December invites visitors to enjoy the city’s beautiful landscapes with a refreshing breeze and fewer crowds. For those looking to explore what Dong Hoi has to offer during this transitional month, detailed insights can be found at Dong Hoi Climate.