Last updated: August 28, 2025
In December, Tam Dao, Vietnam experiences a refreshing climate characterized by an average temperature of 18°C (64°F), with maximums reaching up to 29°C (85°F) and dipping as low as 7°C (45°F) during the cooler nights. This month sees about 38 mm (1.5 in) of rainfall spread across 7 days, contributing to a moderate humidity level of 71%. Visitors can expect a blend of cool breezes and occasional rain, making it an ideal time to explore the lush landscapes and vibrant culture of this mountainous retreat.
As December settles over Tam Dao, Vietnam, the temperatures begin to dip, marking the onset of cooler weather compared to the preceding months. With minimum temperatures falling to around 7°C (45°F), it’s the chilliest month of the year. The average temperature hovers at a comfortable 18°C (64°F), offering a refreshing respite from the hot summer. Daytime highs can still reach a pleasant 29°C (85°F), allowing for enjoyable afternoons outdoors. This transitional month creates a delightful balance, where the crisp mountain air invigorates the senses and sets the stage for a cozy winter atmosphere, inviting both locals and travelers to embrace the serene beauty of the Tam Dao landscape.
In December, Tam Dao, Vietnam experiences a notable decrease in precipitation, with only 38 mm (1.5 in) of rainfall recorded over approximately 7 days. This marks a significant drop from the heavy rains of previous months, especially when compared to August, which sees a staggering 457 mm (18.0 in) across 24 days. The general trend illustrates a shift from the monsoonal downpours characteristic of the summer months to a drier and more serene end of the year, making December a relatively calm time for the region. This transition not only highlights the region's seasonal variability but also ushers in a cooler climate, perfect for exploring the lush landscapes that flourish in the misty, high-altitude setting of Tam Dao.
In December, Tam Dao experiences a humidity level of 71%, maintaining a comfortable consistency compared to the previous months. As the year progresses, humidity in this region shows a notable fluctuation, peaking in July and August at a staggering 90% and 89%, respectively. Following these high summer months, the humidity gradually decreases, leading to December's slightly elevated yet manageable levels. This trend indicates a shift towards drier conditions as the landscape transitions into the cooler winter months. Overall, December offers a refreshing respite from the peak summer humidity while still retaining the lush vibrancy that makes Tam Dao a unique destination.
In December, Tam Dao, Vietnam experiences a UV Index of 7, categorized as high. This marks a notable decrease from the extreme levels observed in the preceding months, such as 13 in both June and July, when the burn time was a mere 10 minutes. Interestingly, as the year progresses from January (UV Index 8) to March (UV Index 12), there is a clear upward trend peaking in the summer months before tapering off towards the end of the year. December's longer burn time of 25 minutes highlights this reduction in UV intensity, providing a brief respite from the harsher sun conditions earlier in the year. For those planning outdoor activities, understanding these trends is crucial for sun safety. For more detailed information, visit Tam Dao UV Index.
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In Tam Dao, Vietnam, December ushers in a generous 207 hours of sunshine, marking a delightful end to the year. As we trace the trend in daylight hours, it’s evident that the peak of brightness arrives in the warmer months, with May and July shining the brightest, each boasting 273 hours of sun. However, as the year cools down, the sunshine hours dip, with January presenting the least at just 126 hours. Despite the decrease, December maintains a healthy level of sunlight, providing a beautiful backdrop for the holiday season and hints of the upcoming spring. This continuation of light reflects a vibrant contrast to the cooler climate, making Tam Dao a remarkable destination for year-end reflections and rejuvenation.
December in Tam Dao, Vietnam, brings a notable increase in sunshine, with a sunny weather likelihood of 49%. This standout figure marks a significant uptick compared to the lower percentages seen in the previous months, where sunshine chances hovered mainly in the teens and twenties. Notably, December’s promise of sunshine is a delightful contrast to the lackluster prospects from April through August, showcasing the vibrant shift as the year draws to a close. As the festive season approaches, the likelihood of clear skies paints a bright picture for outdoor activities and celebrations.
In Tam Dao, Vietnam, December marks a transition as daylight hours dip to 10 hours a day, mirroring the shorter days of January. As the year progresses from the brighter months of May to July, when the sun graces the region with 13 hours of daylight, a gentle decline occurs through summer towards the winter months. Notably, while February and March enjoy a modest increase, peaking at 12 hours, the following months experience a gradual tapering of light. This cyclical pattern not only influences daily life but also highlights the charm of Tam Dao's seasonal changes, where shorter days invite longer evenings filled with warmth and community gatherings.
In Tam Dao, Vietnam, December brings a gentle caress of wind, with average speeds settling at a tranquil 1.3 m/s (3 mph). This slight breeze signifies a notable shift as the year winds down, echoing a broader trend of gradually diminishing wind speeds toward the end of the year. From the comparatively brisk gusts experienced in the earlier months—peaking at 1.9 m/s (4 mph) in March through May—the winds ease into quieter rhythms as the landscape prepares for the winter chill. This soothing atmosphere makes December an enchanting time to bask in the serene beauty of Tam Dao, where the subtleties of nature are amplified by the hushed whispers of the wind.
Weather in Tam Dao varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tam Dao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a comfortable range of temperatures, with a minimum of 7°C (45°F) and a maximum of 29°C (85°F), averaging around 18°C (64°F). The month experiences light precipitation totaling 38 mm (1.5 in) over about 7 days, accompanied by a humidity level of 71%. In contrast, January sees a slight increase in minimum temperature to 8°C (46°F) and a decrease in the average to 17°C (64°F), with a maximum of 28°C (83°F). Precipitation rises to 57 mm (2.2 in), spread over 8 days, while humidity drops to 66%. For more detailed information, you can check Tam Dao weather in January.
December and February exhibit relatively mild weather, with average temperatures remaining consistent. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), while February sees slightly warmer conditions with a minimum of 9°C (48°F) and a maximum of 31°C (87°F). Precipitation levels are quite similar, with December receiving 38 mm (1.5 in) over 7 days and February experiencing slightly less at 35 mm (1.4 in) over 8 days. Both months maintain a humidity level around 71%, contributing to a comfortably warm climate. To explore more about February's weather, visit Tam Dao weather in February.
In December, the weather typically sees temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 18°C (64°F). The month experiences around 38 mm (1.5 in) of precipitation over about 7 days, accompanied by a humidity level of 71%. In contrast, March enjoys warmer temperatures, with a minimum of 12°C (54°F), an average of 22°C (72°F), and a maximum reaching 34°C (94°F). However, it brings more rain, accumulating 69 mm (2.7 in) across approximately 15 days, while maintaining a slightly lower humidity of 69%. The transition from December to March showcases a shift towards warmer and wetter conditions, making it a significant change in the climatic landscape. For more details, you can check Tam Dao weather in March.
In December, the weather is milder, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F) and an average of 18°C (64°F). This month experiences relatively low precipitation at 38 mm (1.5 in) over about 7 days, paired with higher humidity around 71%. In contrast, April brings significantly warmer temperatures, ranging from a minimum of 14°C (57°F) to a sizzling 35°C (96°F), with an average temperature of 24°C (76°F). However, it also sees much higher rainfall, totaling 140 mm (5.5 in) across 15 days, while humidity drops slightly to 64%. For those interested in the specific conditions of Tam Dao, more information can be found here: Tam Dao weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a minimum of 7°C (45°F) to a comfortable maximum of 29°C (85°F), with an average of 18°C (64°F). The month sees a light precipitation of 38 mm (1.5 in) over just 7 days, creating a relatively dry atmosphere with a humidity of 71%. In stark contrast, May experiences much warmer temperatures, with a minimum of 18°C (65°F) and a maximum that can soar up to 38°C (101°F), averaging around 27°C (82°F). This month is significantly wetter, receiving 203 mm (8.0 in) of rainfall throughout 18 days, while humidity rises slightly to 73%. For more details on the weather in May, visit Tam Dao weather in May.
In December, the weather is generally mild, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F). The average temperature is around 18°C (64°F), accompanied by relatively low precipitation of 38 mm (1.5 in) over about 7 days and humidity levels at 71%.
In contrast, June experiences much warmer conditions, with temperatures soaring from a minimum of 22°C (72°F) to a scorching maximum of 40°C (103°F). The average temperature rises to 30°C (86°F), and the month is marked by significantly higher precipitation at 257 mm (10.1 in) over 17 days, coupled with increased humidity at 81%. For more detailed information, you can check Tam Dao weather in June.
When comparing the weather in December and July, notable differences emerge. December features milder temperatures, with averages around 18°C (64°F), while July experiences significantly higher temperatures, averaging 29°C (85°F), and can reach a scorching maximum of 38°C (100°F). Precipitation also varies dramatically; December sees 38 mm (1.5 in) over approximately 7 days, whereas July is much wetter, accumulating 322 mm (12.7 in) across 23 days. Additionally, humidity levels are higher in July at 90%, compared to December's 71%. For more specific insights on weather conditions, you can check Tam Dao weather in July.
December and August present stark contrasts in weather. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 18°C (64°F). The month experiences relatively low precipitation of 38 mm (1.5 in) over about 7 days, along with a humidity level of 71%. In contrast, August is significantly warmer, with temperatures varying from a minimum of 24°C (75°F) to a scorching maximum of 38°C (100°F), and an average of 29°C (84°F). Humidity also rises to 89%, making the air feel much heavier, while rainfall increases dramatically to 457 mm (18.0 in) spread across approximately 24 days. For more detailed information, you can check Tam Dao weather in August.
When comparing the weather in December and September, it's apparent that December offers milder temperatures, with a minimum of 7°C (45°F) and an average of 18°C (64°F), while September is significantly warmer, showcasing a minimum of 21°C (70°F) and an average of 28°C (82°F). In terms of precipitation, December is much drier, receiving only 38 mm (1.5 inches) over 7 days, compared to September, which experiences a substantial 285 mm (11.2 inches) of rainfall over 23 days. Additionally, humidity levels are slightly lower in December at 71%, whereas September has a higher average humidity of 82%. For a more detailed look at the weather patterns in September, you can view Tam Dao weather in September.
In comparing the weather between December and October, it's clear that October tends to be warmer and wetter. October experiences a minimum temperature of 16°C (60°F) and an average of 25°C (77°F), with maximums reaching up to 34°C (93°F). This month also sees significantly higher precipitation, with 236 mm (9.3 in) of rain over 17 days, resulting in a humidity level of 77%. In contrast, December has a cooler temperature range, with a minimum of 7°C (45°F) and a maximum of 29°C (85°F). The precipitation is considerably lower at 38 mm (1.5 in) over just 7 days, and the humidity drops to 71%. For more detailed information on October weather, you can visit Tam Dao weather in October.
In comparing the weather between November and December, December generally experiences cooler temperatures, with minimums of 7°C (45°F) and maximums reaching 29°C (85°F), while November stays warmer, with a minimum of 13°C (55°F) and a maximum of 32°C (89°F). The average temperature in December is 18°C (64°F), compared to November's 22°C (72°F). Both months have similar humidity levels, hovering around 71-72%, but precipitation in December is slightly lower at 38 mm (1.5 in) over 7 days, compared to November’s 44 mm (1.7 in) over 8 days. For more details on weather patterns, check out Tam Dao weather in November.
As December rolls into Tam Dao, the weather presents a refreshing contrast to other months. With temperatures averaging a mild 18°C, it's a perfect time for those seeking a cooler climate, especially when basking in the warm sunshine during the day. However, as the mercury dips to a low of 7°C at night, visitors should be prepared for cooler evenings. This month also marks an increase in humidity, hovering around 71%, coupled with 38 mm of precipitation over approximately 7 days — a subtle reminder of the region's lush landscape. For a deeper dive into what to expect weather-wise, check out Tam Dao Climate.