January Weather in Tuen Mun, Hong Kong

Last updated: August 21, 2025

January in Tuen Mun, Hong Kong showcases a diverse climate experience, with temperatures ranging from a brisk 6°C (42°F) to a comfortable maximum of 25°C (78°F), averaging around 17°C (62°F). This month brings relatively low precipitation levels, with only 22 mm (0.9 in) of rain spread over 3 days, contributing to a humidity level of 64%. Whether you’re exploring the local sights or enjoying the mild weather, January offers a pleasant atmosphere for residents and visitors alike.

January Temperature in Tuen Mun

In Tuen Mun, Hong Kong, January marks the beginning of the year with relatively mild temperatures, featuring minimums around 6°C (42°F) and maxing out at 25°C (78°F). The average temperature hovers at approximately 17°C (62°F), making it one of the cooler months of the year. As winter transitions into spring, February sees only a slight increase in warmth, maintaining similar minimums but nudging the maximums up to 27°C (81°F). This gentle rise in temperature foreshadows the impending warmth of spring, with March introducing average highs climbing towards 30°C (85°F). What stands out throughout the season is a gradual transition from the cool, crisp air of January to the more temperate conditions that characterize the coming months, reinforcing the region's notable climatic shift as it moves into spring.

January Weather in Tuen Mun: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Tuen Mun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tuen Mun, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec626370748083848383777264
Data source: Temperature data for Tuen Mun generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Tuen Mun

January in Tuen Mun, Hong Kong, is characterized by its relatively mild precipitation, with an average of just 22 mm (0.9 in) of rainfall over 3 days. This marks the beginning of a gradual increase in rainfall that peaks in the summer months, revealing a clear trend of escalating precipitation as the year progresses. As the season transitions from January to February, rainfall nearly doubles, foreshadowing a wet spring that culminates in heavy downpours during the summer months, with June and August experiencing the highest levels. The sparse rainfall in January serves as a contrast to the more tropical conditions that follow, highlighting the shift towards a more humid climate as the year progresses.

January Precipitation Trends in Tuen Mun

The chart displays monthly precipitation patterns in Tuen Mun, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Tuen Mun, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2248681001933512063742191512822
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Tuen Mun

In Tuen Mun, Hong Kong, January greets residents with a moderate 64% humidity, setting the stage for a gradual increase in moisture throughout the year. As February rolls in, humidity rises to 68%, and by March, it reaches 73%, indicating the onset of more humid conditions. The trend continues through April at 71%, before springing up significantly in May to 79%, heralding the humid summer months ahead. From June to August, residents experience peak humidity levels, both at a soaring 88%. As autumn approaches, there’s a welcome drop, with September seeing 75%, leading to a decrease to 65% in October. Tuen Mun's humidity in November settles back to 64%, only to rise slightly again to 69% in December, encapsulating a year marked by a clear seasonal shift from dry to intense humidity.

January Average Humidity in Tuen Mun

This chart illustrates the average monthly humidity levels in Tuen Mun, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Tuen Mun is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Tuen Mun

In January, Tuen Mun experiences a UV Index of 7, categorized as high, indicating a burn time of just 25 minutes for unprotected skin. As the months progress, the sun's intensity significantly increases, peaking in May with an extreme UV Index of 14 and a rapid decline in safe exposure time down to just 10 minutes. This trend remains consistent through the summer months, highlighting an ongoing need for sun protection. As temperatures begin to cool in the fall, the UV Index drops to 9 in November before returning to 7 in December, suggesting a more forgiving sun during the winter months. For a detailed overview of UV exposure, visit Tuen Mun UV Index.

Maximum UV Index Levels in Tuen Mun for January

The chart shows the monthly maximum UV Index (UVI) for Tuen Mun in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Tuen Mun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313121197
Data source: Tuen Mun January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Tuen Mun

In January, Tuen Mun, Hong Kong, enjoys 215 hours of sunshine, laying the groundwork for the gradual increase in daylight that characterizes the coming months. By February, the sun shines for 249 hours, hinting at the vibrancy of spring on the horizon. As the days lengthen, March sees a notable leap to 272 hours, inviting residents outdoors to relish the warming temperatures. The sun continues to play a prominent role in April with 254 hours, although it dips slightly before reaching a peak in May with an impressive 302 hours of radiant sunshine. This upward trend culminates in July, when the sun graces the area for a remarkable 321 hours. The warmth begins to mellow as autumn approaches in August and September, with 283 and 289 hours, respectively. The months that follow, October through December, consistently feature between 262 and 279 hours, offering a pleasant yet cooler conclusion to the year. Overall, the progression of sunshine throughout the year in Tuen Mun reflects a lively cycle of warmth and brightness that enriches the local atmosphere.

Monthly Sunshine Duration in Tuen Mun: January Highlighted

The January sunshine duration represents the total number of hours Tuen Mun experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec215h249h272h254h302h276h321h283h289h279h262h263h
Data source: Tuen Mun January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tuen Mun During January

In Tuen Mun, Hong Kong, January shines as a notable month for sun seekers, boasting a 63% chance of sunny weather. This makes it one of the brightest months of the year, along with November, which shares the same likelihood of sunshine. As the year progresses, the chances of encountering sunny days noticeably decline, especially during the summer months, where June presents a mere 12% chance. Interestingly, while February retains a decent 60% chance, the optimism begins to wane in March, dropping to 42%. The gradual shift into spring brings a contrasting outlook, as sunny days become less frequent, tapering to 27% by May. This trend exemplifies the unique climatological patterns of Tuen Mun, making January a prime time for those hoping to enjoy the sun before the season shifts.

Percentage of Sunny Days in January in Tuen Mun

The chart illustrates the percentage of sunny days in Tuen Mun throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tuen Mun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%60%42%37%27%12%30%14%42%36%63%51%
Data source: Tuen Mun January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tuen Mun in January

In Tuen Mun, Hong Kong, January marks the beginning of the year with 10 hours of daylight, setting a gentle pace as the days gradually lengthen. Moving into February, residents enjoy an increase to 11 hours, heralding the transition towards spring. March and April maintain this upward trend, offering consistent 12 hours of daylight, welcoming nature’s revival. As summer approaches in May and June, daylight reaches its peak at 13 hours, allowing for extended outdoor activities under the warm sun. However, as the days progress into August, daylight begins to decrease, settling back to 12 hours. This decline continues into the fall months, with October and November experiencing 11 hours each, before returning to the shorter days of December with just 10 hours. This seasonal rhythm illustrates a beautiful cycle of light that captivates the charm of Tuen Mun throughout the year.

Average Daylight Hours in Tuen Mun for January

The chart illustrates the variation in daylight duration in Tuen Mun throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 15m11h 36m11h 3m10h 45m
Data source: Tuen Mun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Tuen Mun

In Tuen Mun, Hong Kong, the winds of January set a brisk yet manageable pace, averaging 3.4 m/s (8 mph). This refreshing breeze is consistent, mirroring the wind conditions of March, while slightly outrunning the milder February winds, which drop to 3.0 m/s (7 mph). As the year progresses, the area experiences a noticeable pattern, with wind speeds reaching their peak in October at 4.3 m/s (10 mph) before tapering off into the summer months, where July and August register their calmest periods, at 2.8 m/s (6 mph) and 2.5 m/s (6 mph) respectively. This trend highlights the shift from invigorating winter winds to the gentle, warm breezes of summer, creating a dynamic atmospheric landscape that locals and visitors alike can enjoy.

Average January Wind Speed in Tuen Mun

The chart displays monthly wind speed patterns in Tuen Mun, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.4 m/s3.03.43.33.23.32.82.52.14.33.33.6
Data source: Tuen Mun January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Tuen Mun Compares to Other Months

Weather in Tuen Mun varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Tuen Mun, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, the weather features mild temperatures with a minimum of 6°C (42°F) and a maximum of 25°C (78°F), resulting in an average of 17°C (62°F). The month experiences relatively low rainfall, totaling 22 mm (0.9 in) over just 3 days, while humidity hovers around 64%. In contrast, February sees a slight increase in temperature, with a maximum reaching 27°C (81°F) and a similar minimum of 6°C (42°F), resulting in an average temperature of 17°C (63°F). However, February is wetter, accumulating 48 mm (1.9 in) of precipitation spread over 7 days, and the humidity rises to 68%. For more specific information about February weather in Tuen Mun, visit Tuen Mun weather in February.

In comparing the weather between January and March, we see a notable shift in temperatures and precipitation patterns. January experiences milder temperatures, with a minimum of 6°C (42°F) and an average of 17°C (62°F), while March boasts a warmer minimum of 10°C (51°F) and an average of 21°C (70°F). Additionally, the maximum temperatures rise significantly in March, reaching 30°C (85°F) compared to January's 25°C (78°F). Precipitation also increases, with March receiving 68 mm (2.7 in) over 13 days, in contrast to January's 22 mm (0.9 in) over just 3 days. Furthermore, humidity levels are higher in March at 73%, compared to January's 64%. For more detailed information, check out Tuen Mun weather in March.

In January, the weather is mild with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), resulting in an average of 17°C (62°F). Precipitation is relatively low at 22 mm (0.9 in), occurring over just 3 days, and humidity levels are a comfortable 64%. In contrast, April sees warmer temperatures with a minimum of 13°C (56°F) and a maximum of 32°C (91°F), leading to a higher average of 23°C (74°F). However, it is also significantly wetter, with 100 mm (3.9 in) of rainfall spread over 12 days, and humidity increases slightly to 71%. For more detailed information, you can refer to Tuen Mun weather in April.

In January, the weather is relatively mild, with average temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F). The month sees a total precipitation of 22 mm (0.9 in) over just three days, resulting in lower humidity levels around 64%. In contrast, May brings a significant increase in temperatures, with a minimum of 16°C (61°F) and a maximum of 35°C (95°F) on average. However, this warm spell is accompanied by much heavier rainfall, accumulating to 193 mm (7.6 in) over 20 days and increasing humidity to 79%. For more detailed weather insights, you can check Tuen Mun weather in May.

In January, the weather in Tuen Mun is characterized by milder temperatures, with a minimum of 6°C (42°F) and an average of 17°C (62°F), peaking at 25°C (78°F). This month sees relatively low precipitation, totaling 22 mm (0.9 in) over just three days, and the humidity averages around 64%. In stark contrast, June experiences significantly warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 35°C (95°F) and an average of 28°C (83°F). However, this month also brings much higher rainfall, accumulating 351 mm (13.8 in) across 26 days, coupled with increased humidity levels at 77%. For more detailed information, you can check Tuen Mun weather in June.

In January, the weather is mild, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F) and an average of 17°C (62°F). The month experiences minimal rainfall, with just 22 mm (0.9 in) over about three days, and humidity levels are relatively comfortable at 64%.

By contrast, July brings a significant transformation, characterized by much warmer temperatures ranging from a minimum of 25°C (77°F) to a scorching maximum of 35°C (95°F), with an average of 29°C (85°F). This summer month is marked by heavy rainfall, totaling 206 mm (8.1 in) across approximately 25 days, accompanied by high humidity levels of 88%. This stark difference highlights the contrasting climates of January and July, making July notably more humid and wet. For more detailed insights, check out Tuen Mun weather in July.

January and August present stark contrasts in weather conditions. In January, temperatures range from a mild 6°C (42°F) to a comfortable average of 17°C (62°F), with a maximum of 25°C (78°F). This month experiences relatively low precipitation, totaling 22 mm (0.9 in) over just three days, and humidity levels are at a moderate 64%. In contrast, August is characterized by much warmer temperatures, with a minimum of 25°C (78°F) and an average of 29°C (84°F), peaking at a sweltering 36°C (97°F). The month sees a significant increase in rainfall, accumulating 374 mm (14.7 in) over 26 days, and humidity rises to a sticky 88%. For a detailed look at weather during this time, check out Tuen Mun weather in August.

January and September showcase stark contrasts in weather conditions. In January, temperatures typically range from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), with an average of 17°C (62°F). The month is relatively dry, with only 22 mm (0.9 in) of precipitation over three days and a humidity level of 64%. Conversely, September experiences much warmer temperatures, with minimums of 23°C (74°F) and maximums reaching 34°C (94°F), averaging around 28°C (83°F). This month sees significant rainfall, totaling 219 mm (8.6 in) over 22 days, accompanied by heightened humidity at 75%. For a detailed look at the weather, you can visit Tuen Mun weather in September.

When comparing the weather in January and October, notable differences emerge. January is generally cooler, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F) and an average of 17°C (62°F). Precipitation is relatively low during this month, with only 22 mm (0.9 in) falling over three days and humidity hovering around 64%. In contrast, October experiences much warmer temperatures, with a minimum of 15°C (60°F), an average of 25°C (78°F), and soaring to a maximum of 34°C (93°F). This month also sees significantly higher rainfall, totaling 151 mm (5.9 in) across ten days, while humidity remains slightly elevated at 65%. For more details, check out Tuen Mun weather in October.

In January, the weather is generally cooler with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), featuring an average of 17°C (62°F). This month experiences light precipitation totaling 22 mm (0.9 in) over about three days, combined with a humidity level of 64%. In contrast, November offers warmer conditions with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F), averaging 22°C (72°F). This month sees slightly higher precipitation at 28 mm (1.1 in) over four days, while maintaining the same humidity level of 64%. For more detailed weather insights, you can check the link: Tuen Mun weather in November.

In comparing the weather in January and December, January tends to be slightly cooler, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), while December offers slightly warmer conditions, with a minimum of 7°C (45°F) and a maximum of 28°C (82°F). Both months experience similar levels of precipitation, averaging around 22 mm (0.9 in) for January and 22 mm (0.8 in) for December, with rain falling on three days in each month. However, December has a marginally higher humidity level at 69%, compared to January's 64%. For a more detailed look at December's weather in Tuen Mun, you can visit Tuen Mun weather in December.

Compare Tuen Mun's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Tuen Mun

January in Tuen Mun offers a refreshing contrast to the warmer months, boasting milder temperatures and lower humidity levels that make it an ideal time for outdoor activities. With an average temperature around a comfortable 17°C, this month experiences a notable drop compared to the sweltering heat of summer. The occasional light rainfall, totaling 22 mm over just a few days, adds to the city’s charm without overwhelming its winter ambiance. As you explore this vibrant area during January, take in the pleasant climate that invites both adventure and relaxation. For a deeper understanding of what to expect throughout the year, visit Tuen Mun Climate.