January Weather in Longmen, China

Last updated: August 21, 2025

January in Longmen, China presents a stark winter landscape characterized by bitterly cold temperatures, with maximums reaching only -1°C (31°F) and plunging to a chilling -37°C (-34°F) at times. The month averages a frigid -19°C (-2°F), offering little respite from the harsh climate. Precipitation is minimal, totaling just 5 mm (0.2 in) over the span of only one day, and the air often feels damp with humidity levels around 70%. Despite the cold, this atmospheric setting provides a unique glimpse into the quiet beauty of winter in Longmen.

January Temperature in Longmen

January in Longmen, China, is a season of profound cold, where temperatures can plummet to an astonishing -37°C (-34°F). The month showcases a significant chill, with an average temperature lingering around -19°C (-2°F) and highs barely reaching -1°C (31°F). This frigid landscape sets the tone for the winter months, as February and March gradually see better temperatures, with averages gradually improving to -16°C (3°F) and -11°C (12°F), respectively. Despite the ongoing frost, it's intriguing to note that highs begin to inch closer to zero, offering a glimmer of warmth amid the biting cold. Meanwhile, as winter transitions into spring, the temperatures in April start to shift markedly, with averages rising to -7°C (19°F), showcasing a slow but steady approach toward milder weather. This trend continues through the months, where the stark chill of January ultimately gives way to a thaw, hinting at the arrival of warmer days ahead.

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).
JanFebMarAprMayJunJulAugSepOctNovDec-2212192534414133195-2
Data source: Temperature data for Longmen 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 Longmen

In January, Longmen, China, experiences a notably dry spell, with only 5 mm (0.2 in) of precipitation consistently falling over just one day. This minimal rainfall sets the stage for a gradual increase in moisture as the year progresses. February sees a slight uptick to 10 mm, with three precipitation days, hinting at the transition toward the wetter months ahead. As spring approaches, March brings a more substantial change, with rainfall climbing to 23 mm over seven days, marking the start of a trend that continues to escalate dramatically through the summer. By July, Longmen reaches its peak, drenched with 185 mm (7.3 in) over 22 days, showcasing the pronounced seasonal pattern of wet summers contrasted against the arid conditions of early months. This cycle of increasing precipitation clearly illustrates a climatic rhythm that shapes life in Longmen throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec511234572128185184993273
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Longmen

In Longmen, China, January brings a moderate humidity level of 70%, setting the stage for a gradual increase as the year progresses. This percentage rises in February and continues its upward trend, peaking at a notable 85% in August. The summertime months exhibit the highest humidity, reflecting the region's characteristic warm and damp climate. As autumn arrives, humidity begins to decline, with September still retaining a high level of 83%, but dropping sharply to 66% in December. Overall, the data illustrate a clear seasonal pattern: an increasing humidity during the spring and summer months, followed by a decrease in the autumn and winter, shaping the annual weather experience in Longmen.

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.
JanFebMarAprMayJunJulAugSepOctNovDec70%74%79%77%75%80%82%85%83%82%74%66%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Longmen

In January, Longmen, China experiences a moderate UV Index of 4, allowing for a burn time of 30 minutes before skin damage may occur. As the months progress, the UV exposure intensifies; by February, the Index rises to 6 with a high exposure category, reducing safe sun exposure to 25 minutes. This upward trend continues dramatically, peaking in May and June with an extreme UV Index of 17 and 18, and burn times plunging to just 10 minutes. The summer months reflect an urgent need for sun protection, with July and August maintaining similar extreme levels. As autumn approaches, the UV Index gradually declines, offering respite in October at 9 and tapering back to a moderate level of 4 in December. This clear seasonal shift highlights the importance of adjusting sun safety measures throughout the year. For more detailed information, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec4610131718161312964
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

January in Longmen, China, welcomes the year with 237 hours of sunshine, setting a gentle tone for the months ahead. As winter transitions to spring, February sees a boost to 287 hours, hinting at the subtle approach of warmer days. March brings an impressive 337 hours, marking a clear shift as daylight begins to flourish. This upward trend continues into April and May, with sunshine peaking at 353 hours in May, exemplifying the region's vibrant springtime glow. Even in the summer months of June and July, sunshine remains abundant, averaging around 327 to 352 hours. The golden rays gradually taper off into autumn, with September and October retaining over 300 hours each, before finally settling into a quieter rhythm with 292 hours in November and 291 hours in December. Overall, Longmen's sunshine patterns illustrate a beautiful dance of light and shadow throughout the year, celebrating the seasonal transitions with generous doses of sunshine.

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.
JanFebMarAprMayJunJulAugSepOctNovDec237h287h337h327h353h327h352h345h312h317h292h291h
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 notable 68% chance of sunny weather, making it one of the brighter months of the year. This strong likelihood of sunshine offers a refreshing contrast to the winter gloom, particularly as the chances notably decline from February onward, dropping to 50%. As the seasons progress into spring, the probability of sun continues to taper, reaching a low of just 46% in both March and April. Interestingly, the likelihood of sunny days experiences a slight uptick again in May, followed by fluctuations throughout the summer months before peaking once more in the latter part of the year. Notably, November and December show a robust 79% and 70% likelihood of sunshine, respectively, suggesting that while January shines brightly, the transition to winter brings its own golden days, inviting residents to enjoy the evolving climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec68%50%46%46%51%24%33%31%54%53%79%70%
Data source: Longmen January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longmen in January

In Longmen, China, January heralds the return of longer days, with 9 hours of daylight gradually giving way to brighter months ahead. As February arrives, daylight extends to 10 hours, setting the stage for a steady increase through spring. March brings 11 hours, then April flourishes with 13 hours, heralding the vibrant growth of nature. The longest days of 14 hours stretch from May to July, providing ample sunlight for outdoor activities and enjoying the warm weather. However, as summer transitions to autumn, daylight begins to wane—dropping to 13 hours in August and gradually descending to 9 hours by December. This cyclical pattern not only marks the change of seasons but also influences the rhythms of life in Longmen, as each month unfolds with its unique balance of light and dark.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9h 51m10h 46m11h 57m13h 10m14h 12m14h 43m14h 28m13h 33m12h 23m11h 10m10h 7m9h 34m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Longmen

In Longmen, China, January brings a brisk average wind speed of 4.6 m/s (10 mph), setting the tone for a year marked by varying winds. This refreshing gust is significantly higher than the subsequent months, where a gradual decrease becomes evident, especially as spring approaches, with February and March averaging 3.7 m/s (8 mph) and 3.5 m/s (8 mph) respectively. As the temperatures rise into summer, wind speeds dip even further, settling around the 2.3-2.8 m/s (5-6 mph) range from May to October. A slight uptick in wind speed begins in November, hinting at the winter's return, culminating with December's winds at 3.7 m/s (8 mph). This pattern illustrates a clear seasonal rhythm, with January standing out as a particularly gusty start to the year, before transitioning to calmer days in the warmer months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec4.6 m/s3.73.52.82.32.52.32.42.72.83.83.7
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 significant differences in weather characteristics, despite both being winter months. In January, temperatures can drop to a chilling minimum of -37°C (-34°F), with an average of -19°C (-2°F) and a maximum reaching just -1°C (31°F). The month is relatively dry, with only 5 mm (0.2 in) of precipitation occurring over 1 day and humidity levels at 70%. In contrast, February offers slightly milder temperatures, with a minimum of -33°C (-27°F), an average of -16°C (3°F), and a maximum climbing up to 4°C (40°F). The precipitation increases to 10 mm (0.4 in) over 3 days, and humidity rises to 74%. For a detailed look at February weather, you can refer to this link: Longmen weather in February.

In January, temperatures are notably frigid, with minimums plunging to -37°C (-34°F) and average temperatures around -19°C (-2°F). The month sees minimal precipitation, with only 5 mm reported over a single day, and humidity levels hover around 70%. In contrast, March brings a significant warming trend, with minimum temperatures at -32°C (-25°F) and average temperatures rising to -11°C (12°F). The maximum temperature even reaches a more comfortable 7°C (44°F). Additionally, March experiences increased precipitation of 23 mm over seven days, alongside a slight rise in humidity to 79%. This transition marks a shift towards milder conditions, making March a more pleasant month compared to the depths of winter. For further details, check Longmen weather in March.

January weather is characterized by extremely cold temperatures, with an average of -19°C (-2°F) and maximums rarely exceeding -1°C (31°F). The month sees minimal precipitation, totaling just 5 mm (0.2 in) over the course of a single day, accompanied by a humidity level of 70%. In contrast, April brings a noticeable shift towards milder conditions, as average temperatures rise to -7°C (19°F), with daily highs reaching up to 8°C (47°F). Additionally, April experiences significantly more precipitation, totaling 45 mm (1.8 in) spread across 9 days, while humidity increases slightly to 77%. For more detailed information about weather conditions in April, check Longmen weather in April.

January and May present starkly contrasting weather conditions. In January, temperatures can plunge to a chilling minimum of -37°C (-34°F), with an average of -19°C (-2°F) and a maximum of just -1°C (31°F). The month experiences minimal precipitation, only about 5 mm (0.2 in) over a single day, with humidity hovering around 70%. In contrast, May brings a significant warming trend, where temperatures range from a minimum of -24°C (-11°F) to an average of -4°C (25°F) and a maximum of 8°C (48°F). Precipitation also rises dramatically to 72 mm (2.8 in) over 12 days, with humidity slightly higher at 75%. For a closer look at weather specifics during this month, you can visit Longmen weather in May.

In January, the weather is characterized by extremely cold temperatures, with a minimum of -37°C (-34°F) and an average of -19°C (-2°F), making it one of the coldest months of the year. Precipitation is minimal, with just 5 mm occurring over a single day, and humidity hovers around 70%, contributing to a dry and frigid atmosphere.

In contrast, June brings milder temperatures, where the minimum is -11°C (12°F) and the average rises to 1°C (35°F), peaking at a maximum of 15°C (60°F). This month experiences a significant increase in precipitation, totaling 128 mm over 19 days, along with higher humidity levels at 80%, resulting in a much wetter and more humid environment. For further details on June weather specifics, you can refer to Longmen weather in June.

In January, the weather is extremely cold, with average temperatures hovering around -19°C (-2°F) and maximum temperatures rarely exceeding -1°C (31°F). Precipitation is minimal, totaling only 5 mm (0.2 in) over just one day, and the humidity level sits at a high 70%, making the chilly conditions feel even more biting.

In contrast, July brings a significant temperature increase, with average temperatures reaching 5°C (42°F) and highs of 17°C (64°F). This month is characterized by much higher precipitation levels, accumulating 185 mm (7.3 in) across 22 days, coupled with humidity rising to 82%. The shift from the harsh cold of January to the relatively mild and wet conditions in July is striking. For more detailed information, check Longmen weather in July.

In January, the weather is characterized by frigid temperatures, with lows dipping down to -37°C (-34°F) and an average temperature of -19°C (-2°F). Precipitation is minimal, with only 5 mm (0.2 in) over the course of just one day, while humidity hovers at around 70%. In stark contrast, August presents a much milder climate, featuring minimum temperatures of -7°C (19°F) and an average of 5°C (41°F), with maximums reaching 15°C (60°F). This month experiences significantly higher precipitation at 184 mm (7.3 in), spread over 23 days, and humidity levels rise to 85%. For more details on August weather, visit Longmen weather in August.

January and September exhibit stark contrasts in weather conditions. In January, temperatures plunge to a minimum of -37°C (-34°F) and average around -19°C (-2°F), resulting in an overall frigid climate, with only 5 mm of precipitation over just one day. In contrast, September brings a significant warming trend, with temperatures ranging from a minimum of -16°C (4°F) to a comfortable maximum of 15°C (59°F) and an average of 0°C (33°F). Additionally, September is much wetter, experiencing 99 mm of precipitation spread over 15 days and higher humidity at 83%. For more detailed insights on the weather during this month, you can visit Longmen weather in September.

In January, the weather is characterized by biting cold, with temperatures plummeting to a minimum of -37°C (-34°F) and an average of -19°C (-2°F). Precipitation is minimal, totaling only 5 mm (0.2 in) over just one day, and the humidity hovers around a chilly 70%. In contrast, October offers a much milder climate, with temperatures ranging from a minimum of -23°C (-9°F) to a maximum of 10°C (51°F) and an average of -7°C (19°F). This month sees significantly more precipitation, accumulating 32 mm (1.3 in) over seven days, and the humidity increases to 82%. For more details on the October weather in Longmen, you can visit Longmen weather in October.

In January, temperatures are extremely cold, with a minimum of -37°C (-34°F) and an average of -19°C (-2°F), while the maximum barely reaches -1°C (31°F). The month sees minimal precipitation, totaling just 5 mm (0.2 in) over a single day, and humidity levels are around 70%. In contrast, November experiences slightly milder conditions with a minimum temperature of -34°C (-29°F) and an average of -15°C (5°F), peaking at a more bearable 3°C (38°F). Precipitation is slightly higher at 7 mm (0.3 in) across two days, accompanied by a bit increased humidity at 74%. For a more detailed look at November weather, you can check Longmen weather in November.

January and December share similar average temperatures, both hovering around -19°C (-2°F) with a maximum of -1°C (31°F) in January and 30°F in December. However, January is slightly colder overall, with a minimum temperature reaching -37°C (-34°F), compared to December's minimum of -34°C (-29°F). Precipitation is minimal in both months, with January recording 5 mm (0.2 in) over just one day, while December sees even less at 3 mm (0.1 in) without any rainy days. Humidity is a bit higher in January at 70%, compared to December's 66%. For a detailed look at December weather, you can visit Longmen weather in December.

Compare Longmen's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Longmen

January in Longmen is a month of stark contrasts, with its chill far exceeding the milder temperatures of the preceding and following months. The biting cold defines this period, forcing residents and visitors alike to bundle up against the frosty air. Unlike other months where warmth and humidity are more prevalent, January brings a serene stillness, punctuated by minimal precipitation and a consistently high humidity level that can make the cold feel even more penetrating. For those who appreciate the beauty of winter, January offers a unique atmosphere, casting Longmen in a tranquil, icy landscape. To explore more about how weather patterns shift throughout the year, check out Longmen Climate.