January Weather in Longmen, China

Last updated: August 21, 2025

January in Longmen, China offers a dynamic blend of winter weather, characterized by a maximum temperature reaching 24°C (75°F) and an average of 8°C (46°F). While temperatures can dip to a chilly minimum of -4°C (24°F), the month sees an average humidity of 65%, contributing to a crisp atmosphere. Visitors can expect 44 mm (1.7 in) of precipitation spread across 8 days, making it essential to pack for both mild and cooler conditions. Whether exploring the scenic landscapes or enjoying local culture, January in Longmen presents a unique seasonal experience.

January Temperature in Longmen

In January, Longmen, China, experiences a wide temperature range that marks the transition from the cold grip of winter toward the warmth of spring. With nighttime temperatures dipping as low as -4°C (24°F) and daytime highs reaching a mild 24°C (75°F), the average temperature sits comfortably at 8°C (46°F). This initial chill gives way to a gradual warming trend as February approaches, where temperatures increase slightly, showcasing a consistent upward trajectory leading into spring. The minimal nighttime lows gradually rise, while the maximum temperatures also climb higher each month, ultimately peaking in the summer months. As the year progresses, Longmen transforms from the frosty embrace of January into a vibrant tapestry of warmth, highlighting the region's distinct seasonal shifts.

January Weather in Longmen: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Longmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longmen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464958657479848479685949
Data source: Temperature data for Longmen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Longmen

In January, Longmen experiences mild precipitation, with an accumulation of 44 mm (1.7 in) over 8 days. This initial month sets the stage for a gradual increase in rainfall as winter transitions into spring. By February, precipitation nearly doubles to 79 mm (3.1 in), heralding the upcoming wet months, while the number of rainy days rises to 11. The trend escalates further in March and April, where 148 mm (5.8 in) and 150 mm (5.9 in) of rain fall, respectively, each month characterized by approximately 20 days of showers. This upward trajectory extends into May and June, peaking at a staggering 263 mm (10.3 in) in June, creating a lush landscape predominated by consistent rainfall. As the months progress towards summer and autumn, the precipitation gradually declines, yet January offers a gentle introduction to the wetter seasons ahead.

January Precipitation Trends in Longmen

The chart displays monthly precipitation patterns in Longmen, 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 Longmen, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec447914815020826317011785547341
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Longmen

In January, Longmen, China, experiences a humidity level of 65%, which sets the stage for the gradual increase in moisture throughout the year. As the months progress, humidity steadily rises, peaking at an impressive 89% in July—the heart of summer when the air becomes notably thick. This upward trend continues into late spring, with May and June also reaching a high of 86%. After the summer months, humidity begins to decrease, culminating in September and October, when levels drop back down to 62%, suggesting a significant shift as the region transitions into autumn. Overall, the pattern shows a clear seasonal rhythm, with winter marking a drier start and summer bringing a more humid climate, inviting a unique blend of experiences throughout the year.

January Average Humidity in Longmen

This chart illustrates the average monthly humidity levels in Longmen, 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 Longmen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%81%82%86%86%89%86%62%62%71%75%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Longmen

In Longmen, China, January ushers in a UV Index of 6, indicating a high level of sun exposure with a burn time of 25 minutes. As the month progresses, the UV levels steadily rise, reaching 8 in February and peaking at an alarming 13 during the summer months of July and August, categorizing those periods as extreme. This trend emphasizes the importance of sun protection, especially as the burn time diminishes to just 10 minutes during peak UV days. Conversely, the UV Index drops back to 6 by December, showcasing a seasonal ebb and flow that prompts residents and visitors to remain vigilant throughout the year. For more insights, check out the complete guide here: Longmen UV Index.

Maximum UV Index Levels in Longmen for January

The chart shows the monthly maximum UV Index (UVI) for Longmen 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 Longmen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212131311976
Data source: Longmen 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 Longmen

In Longmen, China, the weather in January begins with a modest 154 hours of sunshine, setting a tranquil tone for the new year. As the months progress, the clouds gradually part, allowing for an increase in sunlight that peaks in July and August, where residents bask in an impressive 306 and 322 hours respectively. This upward trend in sunshine continues into the early fall, with September still enjoying 272 hours. However, as autumn deepens, the hours of sunlight gradually decline, with October through December averaging around 210 to 202 hours. This pattern not only highlights the vibrancy of the summer but also signals a serene retreat into the cooler, less luminous months, inviting a cozy ambiance as the year winds down.

Monthly Sunshine Duration in Longmen: January Highlighted

The January sunshine duration represents the total number of hours Longmen 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h198h187h228h273h251h306h322h272h213h210h202h
Data source: Longmen January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longmen During January

In Longmen, China, January boasts a remarkable 58% chance of sunny weather, making it one of the brighter months of the year. This trend stands in stark contrast to the months that follow, as February sees a drop to 42%, and further declines lead to a rather gloomy 25% in March. Interestingly, as the year progresses into the summer, the probability of sun fluctuates, with July and August only managing 33% and 23%, respectively. However, a sunny reprieve returns in September with an impressive 65%, suggesting that while January offers a solid start to the year, the most reliable sunny days are yet to come later in the season. Overall, Longmen’s winter months present a unique blend of sun and clouds, inviting both exploration and contemplation.

Percentage of Sunny Days in January in Longmen

The chart illustrates the percentage of sunny days in Longmen 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 Longmen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%42%25%14%17%16%33%23%65%29%46%50%
Data source: Longmen January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longmen in January

In January, Longmen, China experiences about 10 hours of daylight, marking the start of a gradual increase as the months progress. By February, daylight extends to 11 hours, and by March, it reaches 12 hours, reflecting the lengthening days of early spring. This trend continues into April, where daylight remains steady at 12 hours, before peaking in May and June with 13 hours each. As summer unfolds, daylight remains consistent for several months, providing ample sunshine until September, when it begins to taper off. By October, daylight decreases back to 11 hours, and as the year wraps up, both November and December return to 10 hours, mirroring the long winter nights. This cyclical pattern showcases the rhythm of changing seasons in Longmen, inviting residents to savor the brighter days of spring and summer before the gentle retreat of daylight into winter.

Average Daylight Hours in Longmen for January

The chart illustrates the variation in daylight duration in Longmen throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m12h12h 48m13h 28m13h 48m13h 38m13h 3m12h 17m11h 29m10h 48m10h 27m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Longmen

In January, Longmen, China experiences a gentle breeze with an average wind speed of 1.7 m/s (4 mph), slightly higher than the following months. This calmness in the air is echoed in the subsequent warmer months, where wind speeds typically linger around 1.5 m/s to 1.4 m/s, creating a serene atmosphere. As the year progresses toward October, a noticeable uptick brings the winds back to 1.9 m/s (4 mph), signaling a shift in the seasonal patterns. This rhythm of wind speed, dipping slightly in the summer, reflects the tranquil charm of Longmen's climate, inviting residents and visitors alike to enjoy its peaceful winter days and breezier autumns.

Average January Wind Speed in Longmen

The chart displays monthly wind speed patterns in Longmen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.7 m/s1.51.51.51.41.51.71.31.31.91.41.4
Data source: Longmen January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Longmen Compares to Other Months

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

January and February exhibit notable differences in weather patterns. January typically experiences a wider temperature range, with minimums reaching -4°C (24°F) and maximums soaring up to 24°C (75°F). In contrast, February's temperatures are slightly milder, with minimums around -2°C (29°F) and maximums climbing to 27°C (81°F). Precipitation also increases in February, with 79 mm (3.1 in) over 11 days, compared to January's 44 mm (1.7 in) over 8 days. Additionally, humidity rises marginally from January's 65% to February's 69%, indicating a trend towards more humid conditions as winter progresses. For more information, you can check Longmen weather in February.

In comparing the weather between January and March, there's a noticeable shift in temperature and precipitation. January experiences cooler conditions, with average temperatures ranging from a minimum of -4°C (24°F) to a maximum of 24°C (75°F), and it typically has 44 mm (1.7 in) of precipitation over 8 days. In contrast, March showcases a significant warming trend, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 31°C (88°F) and a more substantial rainfall of 148 mm (5.8 in) occurring across 20 days. Additionally, humidity levels rise from 65% in January to 81% in March, indicating a more humid environment. For those interested in specific weather conditions during March, you can find more details here: Longmen weather in March.

January and April exhibit striking differences in their weather patterns. In January, temperatures can plunge to a minimum of -4°C (24°F) and average around 8°C (46°F), with a maximum of 24°C (75°F). The month sees roughly 44 mm (1.7 in) of precipitation over about 8 days, accompanied by a relatively lower humidity of 65%. In contrast, April brings a substantial rise in temperatures, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a peak reaching 33°C (92°F). However, this warmth comes with increased rainfall, totaling 150 mm (5.9 in) over 19 days, and elevated humidity levels at 82%. These contrasts highlight the transition from the cold, drier winter to a more humid and warm spring season. For more detailed weather insights in April, check out Longmen weather in April.

In January, the weather is notably cooler, with temperatures ranging from a chilly -4°C (24°F) to a mild 24°C (75°F), accompanied by relatively low humidity at 65%. The month sees about 44 mm (1.7 in) of precipitation over 8 days, making for a crisp and dry winter atmosphere. In contrast, May brings a significant rise in temperature, with averages soaring from a minimum of 10°C (51°F) to a scorching maximum of 36°C (97°F). This month is also much wetter, with a total precipitation of 208 mm (8.2 in) spread over 20 days and higher humidity at 86%. The shift from January to May illustrates a transition from a cold winter to a warm, humid spring. For more details on May weather, you can visit Longmen weather in May.

In January, the weather is quite cool, with temperatures ranging from a low of -4°C (24°F) to a pleasant high of 24°C (75°F), accompanied by a moderate level of humidity at 65%. The month sees limited precipitation, with 44 mm (1.7 in) spread over about 8 days. In stark contrast, June brings much warmer weather, with minimum temperatures starting at 17°C (63°F) and soaring to a maximum of 36°C (96°F), reflecting an average of 26°C (80°F). Additionally, June is marked by significantly higher humidity levels at 86% and a substantial increase in rainfall, totaling 263 mm (10.3 in) over 20 days. For more details, you can check Longmen weather in June.

January and July present contrasting weather conditions, showcasing the seasonal extremes. In January, temperatures range from a chilly minimum of -4°C (24°F) to a comfortable maximum of 24°C (75°F), with an average temperature of 8°C (46°F). This month sees relatively low precipitation at 44 mm (1.7 in), occurring over about 8 days, and a humidity level of 65%. In stark contrast, July features much warmer temperatures, with a minimum of 20°C (69°F) and soaring up to 37°C (99°F), resulting in an average of 29°C (84°F). Precipitation in this summer month is significantly higher at 170 mm (6.7 in) across 15 days, coupled with a notably humid atmosphere at 89%. For a more detailed look at July weather, please visit Longmen weather in July.

January and August present stark contrasts in weather. In January, temperatures range from a chilly minimum of -4°C (24°F) to a more moderate average of 8°C (46°F), peaking at 24°C (75°F). The month experiences relatively low precipitation of 44 mm (1.7 in) over 8 days, accompanied by a humidity level of 65%. In sharp contrast, August is marked by significantly warmer conditions, with temperatures starting at a minimum of 22°C (72°F) and averaging 29°C (84°F), reaching a high of 36°C (98°F). The month sees increased rainfall, totaling 117 mm (4.6 in) over 15 days, and higher humidity levels at 86%. For a closer look at August weather specifics, check out Longmen weather in August.

In January, the weather is considerably cooler, with temperatures ranging from a chilly -4°C (24°F) at night to a mild 24°C (75°F) during the day. Precipitation is relatively low at 44 mm (1.7 in), occurring on about 8 days, and humidity levels sit at 65%. In contrast, September boasts much warmer temperatures, with minimums around 16°C (62°F) and daytime highs reaching up to 37°C (99°F), creating a more summery atmosphere. Precipitation increases to 85 mm (3.3 in) over approximately 12 days, while humidity dips slightly to 62%. For a detailed look at how the weather transforms in September, check out Longmen weather in September.

In January, temperatures range from a chilly -4°C (24°F) to a mild 24°C (75°F), with an average of 8°C (46°F). The month experiences about 44 mm (1.7 in) of precipitation over 8 days, and the humidity hovers around 65%. In contrast, October brings warmer weather, with temperatures varying between a minimum of 9°C (49°F) and a maximum of 35°C (95°F), resulting in an average of 20°C (68°F). Precipitation in October is slightly higher at 54 mm (2.1 in), spread over 10 days, and humidity is a bit lower at 62%. For a deeper look at October conditions, you can visit Longmen weather in October.

January and November exhibit distinct weather patterns. In January, temperatures range from a minimum of -4°C (24°F) to a maximum of 24°C (75°F), with an average of 8°C (46°F). The month has relatively low precipitation, totaling 44 mm (1.7 in) over about 8 days, and a humidity level of 65%. In contrast, November is milder, with temperatures fluctuating between a minimum of 5°C (41°F) and a maximum of 30°C (87°F), averaging 15°C (59°F). This month also sees more precipitation, with 73 mm (2.9 in) over approximately 10 days, alongside a slightly higher humidity level of 71%. The differences in temperature and precipitation between these months highlight the transition from winter to late autumn. For more detailed information, refer to Longmen weather in November.

January weather is characterized by slightly cooler temperatures compared to December, with average highs of 24°C (75°F) and lows dipping to -4°C (24°F). In contrast, December features an average high of 24°C (76°F) and a minimum temperature of -2°C (29°F), indicating a more moderate chill. Both months see similar levels of precipitation, with January receiving 44 mm (1.7 in) over 8 days and December slightly less at 41 mm (1.6 in) across 9 days. However, December also tends to be more humid, with humidity levels at 75% compared to January's 65%. For a more detailed look at December's weather, check out Longmen weather in December.

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Conclusion: What to Expect From January Weather in Longmen

As January settles in Longmen, the weather presents a stark contrast to the warmer months, where temperatures dip to a maximum of 24°C and plunge to a chilly minimum of -4°C. This month is characterized by a notable average of 8°C, making it one of the coldest times of the year. With around 8 days of precipitation contributing to a total of 44 mm, January sees a fair share of dampness, while the humidity remains relatively high at 65%. These elements together create a uniquely crisp atmosphere that stands out when compared to Longmen's milder and more humid summers. For a deeper dive into climatic patterns, explore Longmen Climate.