Last updated: August 21, 2025
Experience the captivating January weather in Nanjing, China, where temperatures showcase a delightful range. With a maximum of 28°C (82°F) and an average of 16°C (60°F), this winter month offers a mild climate ideal for exploration. The minimum dips to 2°C (37°F), inviting cozy layers for cool evenings. Nanjing experiences light precipitation, totaling 22 mm (0.9 in) across three days, while the air maintains a humidity level of 71%, adding a refreshing touch to the winter landscape. Whether wandering through historical sites or enjoying local cuisine, January provides a unique seasonal charm.
In Nanjing, January temperatures present a mild winter landscape, starting with a minimum of 2°C (37°F) and reaching a comfortable average of 16°C (60°F), culminating in highs of 28°C (82°F). This range indicates a gradual warming trend as January gives way to February, with minimums slightly increasing to 4°C (39°F) while maintaining a steady average. Throughout the month, residents can expect a diverse climate experience; chilly mornings can shift to pleasantly warm afternoons, hinting at the transition to spring just around the corner. This variance not only makes January a unique time to explore Nanjing but also sets the stage for the mild, yet progressively warmer months ahead.
January in Nanjing, China, marks the beginning of the year with a relatively low precipitation amount of 22 mm (0.9 in), spread over just three rainy days. This sets a stark contrast to the subsequent months, where rainfall begins to increase significantly. By February, precipitation rises to 36 mm (1.4 in), and as spring approaches, March brings a notable jump to 60 mm (2.4 in). This trend continues into the warmer months, peaking in June and August, with respective totals of 264 mm (10.4 in) and 278 mm (10.9 in), where the number of rainy days skyrockets. Thus, January serves as a gentle prelude to the wetter seasons ahead, hinting at the dramatic shift in weather patterns as the year progresses.
In January, Nanjing experiences an average humidity of 71%, marking the start of a gradual increase that continues into the spring months. As February progresses, humidity rises slightly to 73%, setting the stage for a notable uptick in March and April, where levels reach 79% and 80%, respectively. This trend culminates in the warm, humid days of May, which peaks at 85%. Throughout the summer, humidity remains high, hovering around the same level, before tapering off in the fall. By September, the humidity returns to 71%, mirroring January's conditions, while October sees a slight further decline to 70%, signaling the onset of drier weather. Consequently, the humidity fluctuates throughout the year, with January serving as a transitional period before the city embraces its more humid seasons.
In January, Nanjing experiences a UV Index of 7, which falls into the high exposure category with a burn time of about 25 minutes. This sets the stage for an upward trend in UV radiation as the year progresses. By February, the index rises to 10, indicating a very high exposure level where skin can burn within 15 minutes. The intensity peaks in March through August, when the index reaches an extreme level of 12 to 13, drastically reducing safe exposure time to just 10 minutes. This trend starts to taper off in September, with the index dropping back to 12, before gently declining through October and November. By December, the index returns to 7, mirroring January's conditions, thus highlighting significant seasonal fluctuations in Nanjing's UV exposure. For more information, visit Nanjing UV Index.
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As January unfolds in Nanjing, a gentle embrace of 214 hours of sunshine heralds the start of the year, setting a tranquil tone for the months ahead. This ray-filled January serves as a foundation for a gradual increase in sunlight, with February brightening up to 256 hours and March reaching 270 hours. The trend continues into spring, as longer days in April and May bring 268 and 290 hours of sunshine, respectively. The summer months truly shine, with July peaking at an impressive 326 hours, making it the sunniest month of the year. Although sunshine begins to taper off in August with 299 hours, the warm glow remains strong through September and October, showcasing 290 and 279 hours. As the year closes with cooler temperatures in November and December, the daylight dims slightly to 260 and 264 hours, but the overall trend of increasing sunshine through the year paints a vibrant picture of Nanjing's climate.
In Nanjing, China, January boasts a sunny weather likelihood of 69%, making it one of the brightest months of the year. This trend contrasts sharply with the following months, as February shows a slight decline to 61%. As spring approaches, the chances of sunshine begin to dip, with March and April recording 48% and 44% respectively. May sees a more significant drop to 27%, sinking further into the summer months where June and August struggle with only 9% and 18% sunny days, respectively. Interestingly, the trend begins to reverse in the fall, with November regaining a 68% chance of sunshine, hinting at a pattern where the year starts and ends on a bright note, while the peak summer months tend to be cloudier.
In Nanjing, China's January, residents enjoy around 10 hours of daylight, with a gradual increase as the month progresses into February, where daylight extends to 11 hours. This pattern continues into March, reaching 12 hours, a trend that remains steady through April. As spring unfolds, May welcomes longer days with 13 hours of sunlight, a duration that persists throughout June and July, providing ample opportunity for outdoor activities. However, by August, daylight begins to wane slightly, dropping back to 12 hours, and the trend continues into fall with 11 hours in both October and November. Ultimately, the year comes full circle as December mirrors January with 10 hours of daylight, highlighting a rhythmic cycle of light that encapsulates the changing seasons in this vibrant city.
In January, Nanjing experiences a gentle breath of wind, with an average speed of 2.8 m/s (6 mph), creating a crisp atmosphere that hints at the lingering chill of winter. As the months roll into February and March, the wind slightly calms to 2.4 m/s and 2.5 m/s, respectively, while April sees a gradual uptick to 2.7 m/s. This trend of mild spring breezes continues through May, where the wind picks up again to match January’s pace. However, as summer approaches, the winds shift, becoming noticeably lighter with July and August averaging just 2.2 m/s and 2.0 m/s. By September, the winds drop to their annual low of 1.8 m/s, reflecting the heat of late summer. The transition to autumn brings a refreshing 3.1 m/s gust in October, followed by a steady 2.9 m/s in both November and December, signaling the return of the cooler months. This pattern showcases Nanjing’s dynamic wind landscape, where seasonal shifts play a crucial role in shaping the city's climate experience.
Weather in Nanjing varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Nanjing, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in the region typically range from a minimum of 2°C (37°F) to a maximum of 28°C (82°F), with an average temperature of 16°C (60°F). Precipitation during this month averages 22 mm (0.9 in) over just 3 days, while humidity hovers around 71%. In contrast, February sees slightly warmer temperatures, with minimums of 4°C (39°F) and the same maximum of 28°C (83°F). The average temperature remains stable at 16°C (61°F), but precipitation increases to 36 mm (1.4 in) over 5 days, accompanied by a slight rise in humidity to 73%. For more details on February's weather patterns, visit Nanjing weather in February.
In January, the weather features mild temperatures, with a minimum of 2°C (37°F) and a maximum of 28°C (82°F). The average temperature hovers around 16°C (60°F), and the month experiences relatively low precipitation at 22 mm (0.9 in) over just 3 days. Humidity levels stand at 71%.
In contrast, March sees a noticeable increase in warmth, with minimum temperatures rising to 8°C (47°F) and a maximum of 32°C (90°F), leading to an average of 19°C (67°F). However, it also brings more rain, totaling 60 mm (2.4 in) over 9 days, and higher humidity at 79%. For more detailed information, you can refer to Nanjing weather in March.
In January, the weather is relatively mild with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (82°F), averaging around 16°C (60°F). The month experiences a modest amount of rainfall at 22 mm (0.9 in) over just 3 days, and the humidity sits at a comfortable 71%. In contrast, April brings significantly warmer weather, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 33°C (91°F), averaging 22°C (72°F). This month also sees increased precipitation at 73 mm (2.9 in) over 10 days, accompanied by higher humidity levels at 80%. For a more detailed look at the climate during this month, check out Nanjing weather in April.
In January, the weather is relatively mild with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (82°F) and an average of 16°C (60°F). Precipitation is low, with only 22 mm (0.9 in) over roughly three days, and humidity sits at a comfortable 71%. In stark contrast, May experiences significantly warmer temperatures, with a minimum of 15°C (60°F) and a maximum soaring up to 38°C (100°F), averaging 26°C (79°F). The month is much wetter, receiving 139 mm (5.5 in) of rain across 16 days and higher humidity levels at 85%. For a detailed look at the weather conditions in May, you can check Nanjing weather in May.
The weather in January and June showcases a significant contrast in temperature and precipitation. January typically presents mild conditions, with average temperatures ranging from a low of 2°C (37°F) to a high of 28°C (82°F) and minimal precipitation of just 22 mm (0.9 in) over about three days. In stark contrast, June experiences much warmer weather, with temperatures ranging from a comfortable minimum of 22°C (73°F) to a scorching maximum of 36°C (97°F). Additionally, June sees substantial rainfall, accumulating 264 mm (10.4 in) over approximately 24 days, resulting in higher humidity levels at 81%. For more detailed information about June weather specifics, visit Nanjing weather in June.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (82°F) and an average temperature of 16°C (60°F). The month typically sees low precipitation levels of 22 mm (0.9 in) over just 3 days, with a humidity of 71%. In contrast, July experiences a significant increase in temperature, with minimums around 25°C (76°F), averages of 29°C (85°F), and maximums reaching up to 37°C (99°F). Precipitation in July is much higher, totaling 171 mm (6.7 in) spread over 23 days, and humidity also rises to 85%. This stark contrast showcases the seasonal shift from the cooler, drier conditions of January to the hot, humid climate of July. For more information, you can check out Nanjing weather in July.
In January, Nanjing experiences milder weather with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (82°F), and an average temperature of 16°C (60°F). The month sees relatively low precipitation of 22 mm (0.9 in) over about 3 days, while humidity levels hover around 71%. In contrast, August brings significantly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 37°C (99°F), averaging 29°C (84°F). This month is characterized by much heavier rainfall, totaling 278 mm (10.9 in) spread across approximately 25 days, with humidity rising to 83%. For more details, you can check Nanjing weather in August.
In January, the weather presents a mild climate with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 28°C (82°F), and an average of 16°C (60°F). The month experiences relatively low precipitation, with only 22 mm (0.9 in) over about 3 days, and a humidity level of 71%. In contrast, September is much warmer, with temperatures between a minimum of 21°C (70°F) and a scorching maximum of 35°C (96°F), averaging 28°C (82°F). However, this month sees significantly higher rainfall, totaling 151 mm (5.9 in) across 18 days, while maintaining the same humidity level of 71%. For more details, you can check Nanjing weather in September.
January and October display distinct weather patterns in terms of temperature and precipitation. In January, temperatures range from a minimum of 2°C (37°F) to a maximum of 28°C (82°F), with an average temperature around 16°C (60°F). The month experiences relatively light rainfall, totaling 22 mm (0.9 in) over just 3 days, maintaining a humidity level of 71%. In contrast, October boasts warmer temperatures, with a minimum of 14°C (58°F) and a maximum soaring to 35°C (96°F), resulting in a more comfortable average of 25°C (77°F). However, October also brings significantly more rainfall, with 98 mm (3.9 in) falling over 7 days, while humidity remains comparable at 70%. For more detailed information, you can check Nanjing weather in October.
In comparing the weather between January and November, January experiences cooler temperatures, with a minimum of 2°C (37°F) and an average of 16°C (60°F), while November sees milder conditions with a minimum of 12°C (53°F) and an average of 21°C (70°F). November also brings slightly warmer highs, reaching up to 31°C (88°F) compared to January's maximum of 28°C (82°F). Additionally, November has more precipitation, totaling 39 mm (1.5 in), although both months receive rain for the same number of days (3). Humidity levels remain similar, with January at 71% and November slightly higher at 72%. For more details on November's weather, you can check Nanjing weather in November.
In comparing the weather between January and December, both months feature mild temperatures, but January tends to be cooler, with an average temperature of 16°C (60°F) compared to December's 17°C (63°F). The minimum temperature in January is 2°C (37°F), significantly lower than December's 7°C (45°F). Precipitation is also less common in January, with only 22 mm (0.9 in) falling over three days, whereas December sees slightly more precipitation at 33 mm (1.3 in) over four days. Additionally, humidity levels are a bit lower in January at 71% compared to December's 75%. For more details, you can check out the Nanjing weather in December.
January in Nanjing presents a refreshing contrast to the warmer months, with temperatures that shift from mild to brisk, making it a unique time for visitors. While the average temperature hovers around a pleasant 16°C, the chill can drop to as low as 2°C at night, prompting a cozy atmosphere perfect for warm beverages. Rainfall is relatively light, with only a few days of precipitation, allowing for plenty of opportunities to explore the city's rich history. The humidity remains at a comfortable 71%, making the air feel fresh. For those interested in understanding the broader scope of Nanjing's climate throughout the year, check out Nanjing Climate.