Last updated: August 21, 2025
January in Nanjing, China, presents a chilly yet captivating winter experience. With daytime temperatures peaking at a maximum of 17°C (62°F) and dipping to a brisk minimum of -2°C (29°F), the average temperature hovers around a cool 9°C (48°F). While the month sees a modest precipitation total of 23 mm (0.9 in), rainfall graces the city on 5 days, contributing to an overall humidity level of 72%. Visitors to Nanjing this January can expect a blend of serene winter days, punctuated with occasional drizzles, perfect for exploring the city's rich history and vibrant culture.
In Nanjing, China, January showcases a sharp winter chill, with temperatures ranging from a brisk -2°C (29°F) at night to a pleasant 17°C (62°F) during the day. The month settles into an average of 9°C (48°F), marking a clear contrast to the milder temperatures of February, when thermometers begin to creep upward with a minimum of 1°C (35°F) and an average rise to 10°C (51°F). This gradual warming trend continues as spring approaches, with a noticeable increase in daily maximums that reaches 33°C (91°F) by March. Overall, January serves as a gateway to the vibrant seasonal transitions in Nanjing, bridging the cold grasp of winter and the burgeoning warmth of early spring.
In January, Nanjing experiences relatively low precipitation, with an average of 23 mm (0.9 in) falling over the month, typically across just 5 days. This sets the stage for a dry start to the year, in stark contrast to the upcoming months which see a marked increase in both rainfall volume and frequency. As winter transitions into spring, February's precipitation rises to 32 mm (1.3 in) and continues to escalate, peaking dramatically in the summer months. By July, showers become more abundant, with 205 mm (8.1 in) poured over just 16 days, highlighting a significant shift towards a more humid climate after the relative dryness of the early year. This trend reflects Nanjing's seasonal climate dynamics, as the city transforms from a drier winter into a vibrant, rainy summer.
In January, Nanjing experiences a relatively moderate humidity level of 72%, which sets the stage for a gradual increase in moisture as the year progresses. By February, humidity rises to 76%, and this upward trend continues across the spring months, peaking at 80% in March. As the weather warms, humidity levels climb even higher, reaching 85% in both June and July, accompanied by the summer heat. The trend stabilizes slightly in August with 87% humidity, before beginning to taper off in the fall. The transition into autumn sees a decrease, with levels settling around 81% in October and December, while November remains notably humid at 86%. Overall, January marks the onset of a steadily increasing humidity trend that characterizes Nanjing’s climate throughout the year.
In January, Nanjin, China, experiences a moderate UV Index of 5, requiring about 30 minutes of careful sun exposure before risking a burn. As the months progress toward summer, the UV Index increases significantly, reaching extreme levels of 11 by May through August, where just 10 minutes of exposure can lead to skin damage. This trend highlights the need for sun protection, particularly in the peak summer months when the sun's intensity is at its highest. As temperatures begin to cool in the fall and winter, the UV Index gradually decreases, with December offering a more manageable index of 4. To stay informed about daily UV levels and ensure sun safety, check out the Nanjin UV Index.
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In Nanjin, China, January greets visitors with around 129 hours of sunshine, setting the stage for a gradual increase in daylight as winter yields to spring. As the months unfold, the days grow longer, with February offering 171 hours, and March boosting that number to 208 hours. The trend continues to flourish into spring, reaching a peak of 259 hours in May, before soaring to a remarkable 318 hours in August. This vibrant summer sunlight contrasts sharply with the shorter days of autumn, as September experiences a drop to 225 hours before settling down to 132 hours in December. Overall, Nanjin's sunshine trends beautifully illustrate a rhythm of seasonal change, inviting visitors to bask in its warmth as each month unfolds.
In Nanjing, China, January brings with it a 33% chance of sunny weather, making it one of the more promising months for sunshine alongside July and September. This slight uptick in sunny days contrasts with the trend that emerges as the year progresses, where the likelihood of clear skies generally dips, particularly from April to June. Interestingly, February closely follows January with 31% sunny chances, hinting at a brief surge in favorable weather conditions in the early months of the year. As winter fades, however, a noticeable decline in sunny days sets in, with April experiencing only a 14% likelihood of sunshine. This pattern highlights the short-lived nature of Nanjing's winter sunshine, making January an appealing month for those seeking brighter days amidst the colder season.
In Nanjing, China, the daylight duration experiences a fascinating progression throughout the year. January starts off with approximately 10 hours of daylight, establishing a baseline that is consistent through both November and December, where daylight lingers at the same duration. However, as we transition into February and March, the days begin to lengthen slightly, each offering 11 hours of golden sunlight. The real transformation occurs in April and May, where daylight increases to 12 and 13 hours, respectively, heralding the arrival of spring and early summer. The peak is reached in June with a full 14 hours of daylight, providing ample time for exploration and outdoor activities. As summer fades, daylight gradually recedes through July and August, stabilizing at 13 hours, before tapering off again in September to 12 hours. By October, daylight returns to 11 hours, wrapping up the year with a gentle decline that mirrors the cycle of nature. This rhythmic shift in daylight not only reflects seasonal changes but also enriches the experiences of those in Nanjing throughout the year.
In January, Nanjin experiences gentle breezes with an average wind speed of 1.6 m/s (4 mph), setting the tone for the winter months. As the year progresses into February and March, winds pick up slightly, reaching 1.8 m/s and 1.9 m/s respectively, providing a refreshing contrast to the cold. However, this increase is short-lived; by April, the winds decrease slightly to 1.7 m/s, maintaining a consistent yet mild atmosphere. The summer months bring a subtle drop, with July registering the calmest winds at 1.5 m/s before a slight uptick in August. From September onward, the average wind speeds stabilize around 1.7 to 1.9 m/s, suggesting a gentle shift back to livelier breezes as fall approaches, yet never straying too far from that comforting four-mile-per-hour cadence. Overall, this pattern reflects Nanjin's characteristic mildness, with wind speeds remaining relatively stable throughout the year.
Weather in Nanjin varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Nanjin, focusing on differences in temperature, rainfall, humidity, and UV levels.
January's weather is characterized by cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (48°F), whereas February sees slightly warmer conditions, starting at a minimum of 1°C (35°F) and averaging 10°C (51°F). The maximum temperature in February can rise significantly to 27°C (80°F), compared to January's high of 17°C (62°F). However, February also brings increased precipitation, totaling 32 mm (1.3 in) over 6 days, compared to January's 23 mm (0.9 in) over 5 days. Humidity levels are also slightly higher in February at 76%, compared to 72% in January. For more detailed information, you can refer to Nanjin weather in February.
In January, the weather is notably cooler, with temperatures ranging from a chilly -2°C (29°F) to a mild 17°C (62°F) and an average of 9°C (48°F). The month sees some precipitation, totaling 23 mm (0.9 in) over about 5 days, and humidity levels are around 72%. In contrast, March experiences much warmer temperatures, with lows of 6°C (44°F) and highs reaching a sweltering 33°C (91°F), averaging 16°C (60°F). This month also has significantly more rainfall, totaling 67 mm (2.6 in) over 12 days, accompanied by increased humidity levels of 80%. For more detailed insights into the March weather, you can check Nanjin weather in March.
In January, the weather is quite cool with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (62°F), accompanied by relatively low precipitation of 23 mm (0.9 in) over about 5 days. The humidity sits at 72%, making the air feel crisp. In contrast, April experiences a significant rise in temperature, with a minimum of 9°C (48°F) and maximum soaring up to 36°C (96°F), leading to an average temperature increase to 19°C (67°F). However, April also sees much higher precipitation levels at 121 mm (4.8 in) across 14 days, and the humidity slightly increases to 77%, adding to the overall warmth. For more specifics on April weather, visit Nanjin weather in April.
January and May present a stark contrast in weather conditions. In January, temperatures range from a chilly -2°C (29°F) at night to a mild 17°C (62°F) during the day, accompanied by low precipitation of 23 mm (0.9 in) over just five days and a humidity level of 72%. In contrast, May brings much warmer temperatures, with lows of 13°C (55°F) and highs soaring up to 36°C (97°F). This month experiences significant rainfall averaging 151 mm (6.0 in) across 16 days and slightly higher humidity at 82%. For more details, check out Nanjin weather in May.
In January, the weather is quite chilly with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (62°F), and an average of 9°C (48°F). This month experiences relatively low precipitation, totaling 23 mm (0.9 in) over about 5 days, and the humidity sits at a moderate 72%. In contrast, June brings warmer conditions with temperatures soaring from a minimum of 17°C (64°F) to a maximum of 36°C (96°F), with an average temperature of 25°C (77°F). June is significantly wetter, with precipitation amounting to 134 mm (5.3 in) spread over 16 days, alongside higher humidity levels at 85%. For a detailed look at the June weather specifics, you can check Nanjin weather in June.
The weather in January and July presents a stark contrast. January experiences cooler temperatures, with minimums dropping to -2°C (29°F) and averages around 9°C (48°F), while July boasts much warmer conditions, with minimums starting at 21°C (70°F) and average highs of 29°C (84°F). Additionally, January has limited precipitation, totaling just 23 mm (0.9 in) over about 5 days, making it relatively dry. In contrast, July sees considerably higher rainfall of 205 mm (8.1 in) spread across approximately 16 days, contributing to a much more humid atmosphere at 85%. For a closer look at the weather conditions specific to July, visit Nanjin weather in July.
January and August showcase a stark contrast in weather conditions. January experiences much cooler temperatures, with an average of 9°C (48°F) and a minimum dipping to -2°C (29°F), while the maximum reaches a mild 17°C (62°F). Precipitation is relatively low at 23 mm (0.9 in) over just 5 days, coupled with a humidity level of 72%. In contrast, August is characterized by significantly warmer weather, with an average temperature of 30°C (86°F) and a minimum of 19°C (67°F), peaking at a sweltering 41°C (107°F). This month sees much higher precipitation at 149 mm (5.9 in), distributed over 14 days, and an increase in humidity to 87%. For more details on the hot summer conditions, you can visit Nanjin weather in August.
January and September present a striking contrast in weather. In January, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 17°C (62°F), with an average temperature of 9°C (48°F). Precipitation is relatively low at 23 mm (0.9 in) over 5 days, and humidity sits at 72%. In stark contrast, September experiences significantly warmer temperatures, with a minimum of 17°C (63°F) and a sweltering maximum of 39°C (102°F), averaging at 24°C (76°F). The month is also much wetter, receiving 157 mm (6.2 in) of rainfall over 16 days, and the humidity increases to 84%. For more details, check out Nanjin weather in September.
January and October present a striking contrast in weather conditions. In January, temperatures range from a chilly minimum of -2°C (29°F) to a more moderate average of 9°C (48°F), peaking at 17°C (62°F). The month sees relatively low precipitation, with just 23 mm (0.9 in) spread over 5 days and an average humidity of 72%. In contrast, October boasts a much warmer climate, with minimum temperatures around 10°C (50°F) and averages reaching 18°C (65°F), soaring up to a maximum of 36°C (96°F). Rainfall is significantly higher in October at 108 mm (4.2 in), occurring on 16 days, while humidity increases to 81%. For more details, you can check the Nanjin weather in October.
In January, the weather is considerably cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (62°F) and an average of 9°C (48°F). This month experiences lower levels of precipitation, with only 23 mm (0.9 in) falling over five days and a humidity level of 72%. In contrast, November brings milder temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a maximum of 25°C (77°F). Rainfall is more frequent, totaling 39 mm (1.5 in) across nine days, and humidity increases to 86%. For more details, you can read about Nanjin weather in November.
In comparison to December, January typically experiences slightly cooler temperatures, with minimum temperatures dropping to -2°C (29°F) compared to December's 1°C (35°F). Both months have similar average temperatures around 9°C (48°F) but January sees a maximum temperature cap of 17°C (62°F), just below December's maximum of 18°C (65°F). Precipitation is a bit lower in January at 23 mm (0.9 in) over 5 days, whereas December receives 27 mm (1.1 in) over 7 days, contributing to higher humidity levels of 81% in December compared to 72% in January. For detailed information on December weather, you can visit Nanjin weather in December.
January in Nanjin offers a striking contrast to the milder months of spring and summer. With daytime temperatures hovering around a cool average of 9°C (48°F), the month is characterized by chilly mornings and crisp evenings. Unlike the humid summers, January experiences a more comfortable humidity level of 72%, making it a refreshing time to explore the city, despite a handful of precipitation days. Those planning a visit should prepare for a unique winter experience in Nanjin that is distinctly different from the warm, humid months. For more detailed insights into what to expect throughout the year, check out Nanjin Climate.