Last updated: August 21, 2025
December in Trashigang, Bhutan offers a unique blend of crisp air and cool temperatures, with daily highs reaching a comfortable 19°C (66°F) and an average of 9°C (49°F). As the month unfolds, nights can be quite chilly, dipping to a minimum of 0°C (31°F). The region experiences 28 mm (1.1 in) of precipitation over approximately 8 days, contributing to a notably humid atmosphere at 83%. Despite the cool, moisture-laden air, Trashigang's charm shines brightly, inviting visitors to explore its breathtaking landscapes and rich cultural heritage during this serene winter month.
In December, Trashigang, Bhutan, experiences a transition to cooler temperatures as winter sets in. With a minimum temperature hovering around 0°C (31°F), residents and visitors alike can expect brisk mornings that gradually give way to more moderate daytime conditions, peaking at an average of 9°C (49°F) and a maximum of 19°C (66°F). This month's climate reflects the gradual cool-down trend from the milder temperatures seen in November, making it a perfect time for cozy gatherings and exploring the scenic surroundings while wrapped in warm attire. As the year draws to a close, the chill in the air adds a touch of magic to the daily routine in this beautiful Himalayan town.
In December, Trashigang experiences a slight uptick in precipitation, with 28 mm (1.1 in) of rainfall recorded across approximately 8 days. This marks a modest increase from November's rainfall of 25 mm (1.0 in), suggesting a resilient consistency in late-year moisture. The transition into December represents a notable shift from the heavy downpours characterizing the summer months, where July peaks at an astounding 931 mm (36.7 in). As the dry season settles in, precipitation becomes less frequent and less intense, allowing the region to breathe before the cycle recommences with the promise of springtime rains.
In December, Trashigang, Bhutan experiences a humidity level of 83%, a slight decrease from the high values of the previous summer months. The trend reveals a marked shift in moisture, peaking at 93% in July, then gradually declining as the year winds down. Following the humid high of the monsoon season, where humidity consistently hovers above 90% from June to September, December's levels indicate a return to relatively milder conditions, although still considerable compared to the earlier months of the year. Notably, the transition from lower humidity in the spring months of 45% in April to a late-year average of 83% highlights the region’s unique climatic rhythm, captivating those drawn to Bhutan's atmospheric shifts.
In Trashigang, Bhutan, the UV Index exhibits significant seasonal variations, with December showing a UV Index of 6, categorized as high. This offers a welcome reprieve from the extreme levels experienced during the peak summer months, where values soared to 15 in July. As winter sets in, residents and visitors can enjoy an increased burn time of 25 minutes before sun exposure becomes a concern, compared to the mere 10 minutes experienced in mid-year. The transition from very high indices in early winter months like November, down to a more moderate December, highlights the necessity for sun safety awareness throughout the year. For more details on how to navigate the UV Index in Trashigang, check out Trashigang UV Index.
UV Risk Categories
December in Trashigang, Bhutan, offers a delightful 277 hours of sunshine, wrapping up the year with a balance of brilliance and soft charm. As autumn transitions into winter, sunlight gradually dims from the peak of 312 hours in both March and April, but the community still enjoys significant daylight compared to the more subdued months of July, which records just 211 hours. This trend reveals a steady decline in sunshine as the year progresses from the bright spring days, yet December remains resilient, outshining the grayness that often accompanies winter. With nearly 280 hours of sunlight, December still invites moments of warmth, making it a cherished time for both locals and visitors to engage with the stunning landscapes of Bhutan.
In December, Trashigang, Bhutan, typically enjoys a 58% chance of sunny weather, marking a notable transition from the overcast monsoon months. This month aligns closely with November's 60% likelihood, showcasing a promising shift towards drier conditions before the year closes. Interestingly, December's sunshine probability stands significantly higher than the summer months, when the chances plummet to as low as 3% in July. With the sun making a welcome return, visitors and locals alike can embrace the crisp winter air while soaking in the beautiful landscapes illuminated by the sunshine.
In Trashigang, Bhutan, December marks a transition back to shorter days, with daylight lasting around 10 hours—similar to the preceding months of January and November. As the year progresses, there's a gradual increase in daylight from 10 hours in January to a peak of 13 hours from May through August. This seasonal trend not only highlights the abundant sunlight during the warmer months but also reflects the region's dynamic climate. With daylight gradually receding again in October and November, December reaffirms the cyclical nature of daylight in Trashigang, encapsulating the serene charm of winter's arrival.
In December, Trashigang experiences a gentle embrace from the winds, with an average speed of 1.0 m/s (2 mph). This month concludes a year characterized by relatively low wind activity, maintaining a consistent breeze that ranges from 0.8 m/s in July to 1.1 m/s, achieved in early months like January through April. The slight ebb in wind speed during the summer months, reaching its lowest in July, contrasts with the stable flow returning in winter, creating a serene environment perfect for reflection and tranquility. Thus, December's winds wrap up the year with a consistent whisper, reinforcing the peaceful essence of this Bhutanese gem.
Weather in Trashigang varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trashigang, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather typically features a milder range of temperatures, with a minimum of 0°C (31°F) and an average of 9°C (49°F), peaking at 19°C (66°F). The month experiences 28 mm (1.1 in) of precipitation over eight days, accompanied by relatively high humidity levels at 83%.
In contrast, January brings cooler temperatures, with a minimum dipping to -3°C (27°F) and an average of 8°C (46°F), while the maximum reaches 20°C (69°F). This month has slightly less precipitation, totaling 25 mm (1.0 in) over the same number of days, but benefits from lower humidity at 70%.
For a more detailed look at January weather, check out Trashigang weather in January.
December and February exhibit notable differences in weather. December typically experiences milder temperatures, with an average of 9°C (49°F), ranging from a minimum of 0°C (31°F) to a maximum of 19°C (66°F). This month also sees lower precipitation at 28 mm (1.1 in) over about 8 days, accompanied by high humidity at 83%. In contrast, February is slightly cooler on average, at 9°C (48°F), but can dip to a minimum of -5°C (23°F) and reach a maximum of 21°C (70°F). February experiences more precipitation, totaling 56 mm (2.2 in) across 12 days, while humidity decreases to 71%. For a more detailed look at February weather, check out Trashigang weather in February.
In December, the weather is relatively mild, with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 19°C (66°F) and an average of 9°C (49°F). The month experiences light precipitation of 28 mm (1.1 in) over about 8 days, accompanied by a high humidity level of 83%. In contrast, March brings warmer temperatures, with the mercury dipping to the same minimum of 0°C (33°F) but reaching a high of 25°C (77°F) and an average of 12°C (53°F). However, March also sees significantly more precipitation, totaling 122 mm (4.8 in) over 20 days and a much lower humidity of 50%. For a more detailed look at March weather, check out Trashigang weather in March.
In comparing the weather of December and April, we notice distinct differences. December experiences cooler temperatures, with a minimum of 0°C (31°F) and an average of 9°C (49°F), while April warms up considerably, with a minimum of 6°C (43°F) and an average of 14°C (58°F), reaching a maximum of 24°C (75°F).
Furthermore, December's precipitation is significantly lower, totaling 28 mm (1.1 in) over just 8 days, in contrast to April, which sees a substantial increase in rainfall at 193 mm (7.6 in) over 24 days. The humidity also shifts dramatically; December lacks the moisture of April, with a humidity level of 83% compared to April's much drier 45%. For more detailed information on the weather during this time, you can check Trashigang weather in April.
In December, the weather tends to be much cooler, with minimum temperatures around 0°C (31°F) and an average of 9°C (49°F), peaking at 19°C (66°F). The month experiences relatively low precipitation, totaling 28 mm (1.1 in) over about 8 days, accompanied by high humidity levels of 83%.
In contrast, May brings significantly warmer temperatures, with a minimum of 7°C (45°F), an average of 17°C (62°F), and maximums reaching 26°C (79°F). However, it also sees substantial rainfall, with 352 mm (13.9 in) spread across 29 days, while humidity dips slightly to 76%. This stark difference in both temperature and precipitation illustrates the transition from the cooler, drier winter months to the warm, wet spring. For a closer look at the conditions, check out Trashigang weather in May.
The weather in December contrasts significantly with that of June. In December, temperatures range from a chilly minimum of 0°C (31°F) to a pleasant average of 9°C (49°F) and a maximum of 19°C (66°F), complemented by relatively low precipitation of 28 mm over 8 days and an 83% humidity level. In contrast, June brings warmer temperatures, with a minimum of 12°C (54°F) and an average of 19°C (67°F), peaking at 26°C (80°F). However, June is much wetter, receiving a substantial 628 mm of rain across 30 days and a slight increase in humidity to 88%. For more detailed insights about the weather in June, check out Trashigang weather in June.
December and July present distinctly different weather patterns. In December, temperatures range from a chilly 0°C (31°F) at night to a mild 19°C (66°F) during the day, accompanied by moderate humidity levels of 83% and minimal precipitation totaling 28 mm (1.1 in) over about 8 days. In contrast, July brings warmer conditions with nighttime temperatures rarely dropping below 14°C (58°F) and daytime highs averaging 27°C (80°F). However, this month also sees significantly higher rainfall, with a staggering 931 mm (36.7 in) recorded over 31 days and a slight increase in humidity levels at 93%. For more details, you can check Trashigang weather in July.
In December, the weather is considerably cooler, with temperatures ranging from a minimum of 0°C (31°F) to a maximum of 19°C (66°F), and average conditions sitting at around 9°C (49°F). In contrast, August enjoys warmer temperatures, with minimums of 15°C (59°F) and maximums reaching 27°C (81°F), averaging 20°C (69°F). Additionally, December experiences relatively low precipitation with 28 mm (1.1 in) over 8 days, while August is much wetter, receiving a staggering 678 mm (26.7 in) of rain across 31 days. The humidity in December is also lower at 83%, compared to August's higher humidity level of 92%. For more details on August weather conditions, you can check Trashigang weather in August.
When comparing the weather in December and September, notable differences emerge. December features cooler temperatures, with a minimum of 0°C (31°F) and an average of 9°C (49°F), while September enjoys milder conditions, with minimums of 13°C (55°F) and averages around 19°C (67°F). Precipitation also varies significantly; December records only 28 mm (1.1 in) over eight days, whereas September experiences a much wetter climate, with 503 mm (19.8 in) across 29 days. Additionally, humidity levels are higher in September at 92% compared to December's 83%. For more details, you can refer to Trashigang weather in September.
In comparing the weather between October and December, October tends to be milder with average temperatures ranging from a minimum of 6°C (42°F) to a maximum of 26°C (79°F), along with an average temperature of 16°C (62°F). This month also experiences significantly higher precipitation, with 133 mm (5.2 in) over about 16 days, resulting in a humidity level of 89%. In contrast, December sees cooler temperatures, with averages ranging from 0°C (31°F) to 19°C (66°F), and a lower average temperature of 9°C (49°F). Precipitation decreases to 28 mm (1.1 in) over 8 days, making December drier and with slightly lower humidity at 83%. For a more detailed look at the weather, you can visit Trashigang weather in October.
In comparing the weather of December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 0°C (31°F) to a maximum of 19°C (66°F) compared to November's milder temperatures, which range from 4°C (39°F) to 23°C (74°F). Precipitation levels are similar, with December receiving 28 mm (1.1 in) over 8 days and November experiencing 25 mm (1.0 in) over 6 days. Humidity remains relatively high in both months, but is slightly lower in December at 83%, compared to November's 86%. For a closer look at November's weather specifics, you can check Trashigang weather in November.
In December, Trashigang transforms into a cool and crisp paradise, with temperatures dipping significantly compared to the warmer months. The average chill of 9°C offers a refreshing departure from the summer's heat, while the occasional frost can blanket the landscape in a magical guise. While precipitation is somewhat moderate, with about 28 mm falling across eight days, the high humidity of 83% often lends a misty atmosphere to the region. These unique weather patterns make December an ideal time for travelers seeking to experience the serene beauty of Trashigang in its quieter season. For more insights into the distinctive characteristics of Trashigang's climate throughout the year, be sure to check out Trashigang Climate.