Last updated: August 21, 2025
December in Tuen Mun, Hong Kong ushers in a delightful winter climate, with a maximum temperature peaking at 28°C (82°F) and a comfortable average of 18°C (64°F). As the month progresses, temperatures dip to a cool minimum of 7°C (45°F), providing a refreshing contrast. Rainfall is modest, with precipitation measuring 22 mm (0.8 in) over just three days, allowing for plenty of clear skies. The humidity level averages 69%, contributing to the crisp, invigorating air that characterizes this time of year, making it an ideal period for outdoor exploration and festive activities.
In December, Tuen Mun, Hong Kong, experiences a delightful transition into cooler weather, with temperatures typically ranging from a minimum of 7°C (45°F) to a maximum of 28°C (82°F). This month marks a noticeable drop in temperatures compared to the balmy summer months, yet it still offers a comfortable average of 18°C (64°F). As the year draws to a close, December's mild climate invites outdoor activities and festive celebrations, balancing the cooler nights with pleasantly warm afternoons. The gradual shift from the previous month, where November enjoyed milder conditions, emphasizes a gradual cooling trend, heralding winter while still holding onto the vestiges of warmth typical of Hong Kong's coastal climate.
In Tuen Mun, Hong Kong, December marks the tail end of the wetter months, with precipitation totaling 22 mm (0.8 in) across just 3 days. This amount aligns with the relatively dry start of the year, echoing the similar precipitation levels seen in January, which also receives 22 mm. As the year winds down, December's rainfall serves as a pleasant contrast to the heavy downpours experienced during the peak monsoon months of June and August, where totals surged to 351 mm and 374 mm, respectively. With only a few days of rain, this month offers a transitional reprieve, hinting at the drier spells to come in early 2024.
In December, Tuen Mun, Hong Kong experiences an average humidity level of 69%, marking a slight increase from the preceding months of November's 64%. This uptick is part of a broader trend, as humidity generally rises throughout the late year, peaking in the summer months of July and August with a notable 88%. Following this humid peak, the levels gradually decline, with December showing a modest recovery after the cooler, drier conditions of October, which recorded 65%. Overall, December's humidity reflects the characteristic transition of Tuen Mun from the briskness of late autumn back towards the more humid conditions that define the late winter months.
In December, Tuen Mun experiences a UV Index of 7, categorized as high, indicating that sun protection is necessary for prolonged outdoor activities. This marks a shift from the extreme levels seen during the summer months, where the UV Index soared to 14 in May and hovered around 12-13 from March through September. As temperatures cool, both the burn time and exposure risks decrease, giving residents and visitors a welcome respite with a burn time of 25 minutes—double that of earlier months. Despite this easing, it's still crucial to be mindful of sun safety practices, especially during midday hours. For more detailed information, check out the full Tuen Mun UV Index.
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In Tuen Mun, Hong Kong, the December sunshine graces the area with a modest 263 hours of bright daylight, encapsulating the tail end of a year marked by significant variation in sunlight. As winter approaches, daylight hours remain relatively consistent, slightly below the peak of 321 hours experienced in the sun-drenched month of July. Interestingly, from the start of the year, sunshine hours steadily increased, peaking in mid-summer, before tapering off in the cooler months. The overall trend showcases a vibrant seasonal cycle, reflecting Tuen Mun's dynamic climate—a delightful contrast of abundant sunshine in the summer and a still generous amount through the winter.
In Tuen Mun, Hong Kong, December offers a 51% chance of sunny weather, reflecting a slight dip from the 63% in both January and November. This trend indicates a shift towards the cooler months, where sunlight becomes less prevalent. Notably, as the year progresses from the warm summer months of June and August—with their significantly lower chances of sun—December presents a more favorable balance of sunny days, particularly when compared to the sharp declines seen in the late spring and early summer. Thus, while December is cooler, it still maintains a reasonably optimistic outlook for sunshine.
As the year winds down in Tuen Mun, Hong Kong, December brings a return to shorter days, with daylight lasting approximately 10 hours. This trend of diminishing daylight begins in late autumn, as October and November also offer only 11 hours of light. However, the transition into winter is less stark than it may appear, with a gradual shift from the longer, sun-filled days of summer—where daylight peaked at 13 hours from May through July. The months leading up to December serve as a reminder of the sumptuous light of spring and summer, before the daylight begins to stretch again in the coming months, signaling the promise of longer days ahead.
As December arrives in Tuen Mun, Hong Kong, a noticeable shift in wind patterns sets the stage for the end of the year. With an average wind speed of 3.6 m/s (8 mph), December marks a subtle increase from several months earlier, notably breaking the trend of lower speeds during the summer months. Following an August low of 2.5 m/s (6 mph), the winds gently pick up through the fall, peaking in October at 4.3 m/s (10 mph). This resurgence is felt in December as the fresh breeze sweeps through the area, offering a refreshing contrast to the warmer months. Overall, the winter winds in Tuen Mun not only enhance the scenic beauty but also invigorate the vibrant local atmosphere.
Weather in Tuen Mun varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tuen Mun, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January offer similar weather patterns, though there are slight differences in temperature and humidity. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 28°C (82°F), with an average temperature of 18°C (64°F) and humidity at 69%. January sees a small drop, with minimums around 6°C (42°F) and maximums of 25°C (78°F), averaging 17°C (62°F) and slightly lower humidity at 64%. Both months receive about 22 mm (0.8-0.9 in) of precipitation across three days, making them relatively consistent in terms of rainfall. For more specific details on January weather, you can check Tuen Mun weather in January.
In comparing the weather between December and February, December typically features slightly warmer temperatures, with an average of 18°C (64°F) and a maximum of 28°C (82°F), while February sees an average of 17°C (63°F) and a maximum of 27°C (81°F). Both months have relatively mild minimum temperatures, with December having a minimum of 7°C (45°F) and February only slightly cooler at 6°C (42°F). February experiences significantly more precipitation, totaling 48 mm (1.9 in) over approximately 7 days, compared to December's 22 mm (0.8 in) over just 3 days. Humidity levels are similar, hovering around 68-69%. For a detailed look at February's weather specifics, you can explore Tuen Mun weather in February.
In December, the weather typically features a minimum temperature of 7°C (45°F) and rises to an average of 18°C (64°F) during the day, with a maximum of 28°C (82°F). This month experiences relatively low precipitation at 22 mm (0.8 in) over only 3 days and maintains a humidity level of 69%. In contrast, March brings warmer conditions with a minimum temperature of 10°C (51°F) and an average high of 30°C (85°F), averaging around 21°C (70°F). However, it also sees increased precipitation, totaling 68 mm (2.7 in) across 13 days, and slightly higher humidity at 73%. For a more detailed look at the specific conditions, you can refer to Tuen Mun weather in March.
When comparing December and April weather, a notable shift in temperature and precipitation patterns emerges. December typically experiences milder temperatures, with a minimum of 7°C (45°F) and an average high of 28°C (82°F), alongside relatively low precipitation of 22 mm (0.8 in) spread over just 3 days. In contrast, April sees a rise in temperatures, featuring a minimum of 13°C (56°F) and an average high of 32°C (91°F). However, it also brings an increase in rainfall, accumulating 100 mm (3.9 in) over 12 days, indicating a much wetter month. Both months maintain similar humidity levels, with December at 69% and April slightly higher at 71%. For more details on April weather specifically, visit Tuen Mun weather in April.
December and May exhibit significantly different weather patterns. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 28°C (82°F), with an average of 18°C (64°F). The month brings relatively little rainfall, totaling 22 mm (0.8 in) over just three days and a humidity level of 69%. In contrast, May is much warmer, featuring a minimum temperature of 16°C (61°F) and soaring to 35°C (95°F) at times, with an average temperature of 27°C (80°F). Rainfall increases dramatically, accumulating to 193 mm (7.6 in) over 20 days, accompanied by higher humidity at 79%. For more details on May weather, check Tuen Mun weather in May.
In December, Tuen Mun experiences milder temperatures, with a minimum of 7°C (45°F) and an average of 18°C (64°F), peaking at 28°C (82°F). The month sees relatively low precipitation at 22 mm (0.8 in) over just 3 days, accompanied by a humidity level of 69%. In stark contrast, June brings much warmer weather, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 35°C (95°F), averaging around 28°C (83°F). Rainfall is significantly higher during this month, accumulating 351 mm (13.8 in) across 26 days, and humidity rises to 77%. For more details on June weather in Tuen Mun, visit Tuen Mun weather in June.
When comparing the weather in December and July, a stark contrast emerges. December enjoys milder temperatures, with a minimum of 7°C (45°F) and a maximum of 28°C (82°F), averaging around 18°C (64°F), and experiences relatively low precipitation of 22 mm (0.8 in) over just 3 days. In contrast, July is considerably warmer, with minimum temperatures starting at 25°C (77°F) and peaking at 35°C (95°F), averaging a balmy 29°C (85°F). This month also sees a significant increase in rainfall, totaling 206 mm (8.1 in) over 25 days, coupled with higher humidity levels at 88%. For more details, check out Tuen Mun weather in July.
In December, the weather is considerably milder, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 28°C (82°F), and only 22 mm (0.8 in) of precipitation over three days, leading to a humidity level of 69%. In contrast, August experiences much warmer and more humid conditions, with temperatures ranging from 25°C (78°F) to a sweltering 36°C (97°F), and a significant 374 mm (14.7 in) of rainfall over 26 days, contributing to a humidity level of 88%. This stark contrast highlights December's pleasant climate compared to the heat and moisture of August. For more detailed insights, check Tuen Mun weather in August.
When comparing the weather in December and September, there are notable differences in temperature and precipitation. In December, temperatures range from a cooler minimum of 7°C (45°F) to a pleasant average of 18°C (64°F) and a maximum of 28°C (82°F). This month typically sees lower rainfall, with only 22 mm over about 3 days and humidity around 69%. In contrast, September experiences much warmer conditions, with minimum temperatures starting at 23°C (74°F), averaging 28°C (83°F), and peaking at 34°C (94°F). This month is also characterized by significant rainfall, totaling 219 mm across approximately 22 days, and higher humidity levels at 75%. These contrasts highlight the shift from the mildness of December to the warmer, wetter conditions of September. For more detailed information, you can explore Tuen Mun weather in September.
When comparing the weather in December and October, December tends to be cooler, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 28°C (82°F), while October experiences warmer conditions, ranging from a minimum of 15°C (60°F) to a maximum of 34°C (93°F). Additionally, December has significantly less precipitation, with only 22 mm (0.8 in) accumulated over 3 days, compared to October's much wetter climate, which sees 151 mm (5.9 in) over 10 days. Humidity levels are fairly similar, with December at 69% and October slightly lower at 65%. For more detailed insights, you can explore Tuen Mun weather in October.
In comparing the weather between November and December, we see a notable drop in temperatures during the latter month. December features a minimum temperature of 7°C (45°F), with an average of 18°C (64°F) and a maximum of 28°C (82°F), while November remains warmer with a minimum of 14°C (58°F), an average of 22°C (72°F), and a maximum of 30°C (86°F). Precipitation is lower in December at 22 mm (0.8 in) over 3 days, compared to November's 28 mm (1.1 in) over 4 days. Additionally, December experiences slightly higher humidity at 69%, while November has a humidity level of 64%. For more details, you can check Tuen Mun weather in November.
As December rolls into Tuen Mun, the weather transforms into a moderately cool and pleasantly mild experience. With maximum temperatures reaching a comfortable 28°C and minimums dipping to 7°C, this month stands out from the warmer summer months, offering a refreshing respite. The air is notably more humid at 69%, but the slight increase in precipitation, with only a few rainy days, ensures the landscape remains vibrant. While rain is less frequent than in the tropical months, those few drops hardly diminish the charm of this season. For a deeper dive into Tuen Mun's unique climate throughout the year, visit Tuen Mun Climate.