Last updated: August 21, 2025
In January, Jiangnan, China, experiences a varied climate marked by a maximum temperature of 25°C (78°F) and an average low of 0°C (33°F). The month showcases mild conditions with an average temperature resting around 11°C (53°F), making it a refreshing time of the year. With about 52 mm (2.0 in) of precipitation spread over 7 days, rain adds a layer of moisture to the air, resulting in a humidity level of 66%. This unique blend of temperatures and humidity creates an inviting atmosphere, perfect for exploring the region's winter beauty.
In January, Jiangnan, China experiences a refreshing chill, with temperatures ranging from a cool 0°C (33°F) at night to a mild 25°C (78°F) during the day. The average temperature hangs around 11°C (53°F), offering a pleasant winter atmosphere that gradually transitions into spring as February approaches, when nighttime lows rise slightly and daily highs remain steady. One can observe a clear upward trend in temperatures as the months progress, with March welcoming slightly warmer weather and daily averages of 14°C (58°F). By April and May, the region transforms into a vibrant realm of warmth, peaking in late spring with averages soaring to 22°C (72°F). This pattern of increasing warmth continues throughout the summer months, suggesting that January is just the beginning of an energetic seasonal shift where Jiangnan blossoms into a lush landscape, exhibiting a beautiful blend of seasonal contrasts.
In January, Jiangnan experiences a relatively mild precipitation total of 52 mm (2.0 in) over just 7 days, marking the month as one of the driest in the region. This modest beginning sets the stage for a noticeable increase in rainfall as the year progresses. By February, precipitation nearly doubles to 88 mm (3.5 in), with 10 days of rainfall, heralding the onset of the wet season. The trend continues, peaking in the summer months with June and August recording dramatic highs of 302 mm (11.9 in) and 300 mm (11.8 in) respectively. As the months turn warmer, the number of rainy days also escalates, reaching up to 22 days in August. This cyclical pattern underscores Jiangnan's transition from a relatively dry January to a lush, rain-soaked summer, shaping the region's vibrant ecosystems and agricultural cycles.
In January, Jiangnan, China experiences a moderate humidity level of 66%, setting the stage for a winter that gradually gives way to a more humid spring. As February rolls in, humidity rises to 71%, hinting at the seasonal shift ahead. By March, the air becomes noticeably more humid at 81%, and this upward trend continues, peaking in May with a high of 87%. The summer months maintain this elevated humidity, with July reaching 88%, making it the most humid month of the year. However, a gradual decline begins in September, as humidity drops to 67%, signaling the onset of drier conditions. By October, levels stabilize at 72% before rising again slightly in November and December, concluding the year with humidity around 80%. Overall, January serves as the starting point of a distinct rise in humidity, which then dominates the spring and summer months before tapering off into the fall.
In January, Jiangnan, China, experiences a UV Index of 6, indicating a high level of sun exposure, with a burn time of just 25 minutes. This is a crucial time for residents and visitors to be aware of sun safety, especially as the UV Index trend escalates rapidly in the following months. By February, the UV Index jumps to 9, shifting to a very high exposure category, and by March, it further increases to 10, maintaining this intensity as the region transitions into spring. The highest UV levels occur from April through August, where scores reach an extreme 13 in June and August, demanding vigilant sun protection with a minimal burn time of just 10 minutes. By October, the index gradually decreases back to 9, with November and December signaling a return to the high category at 8 and 6, respectively. This clear seasonal shift highlights the importance of staying informed about UV risks throughout the year. For more detailed information, visit Jiangnan UV Index.
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January marks the beginning of the year with 170 hours of sunshine in Jiangnan, China, setting a modest stage as the sun begins to awaken from winter slumber. As the months progress, there's a noticeable increase in sunlight, with February brightening to 211 hours and March further enhancing the glow with 242 hours. April ushers in a vibrant 257 hours, paving the way for May's peak at 274 hours. This sunny trend continues into the summer months, reaching an impressive 313 hours in July before gently tapering off in August to 304 hours. The twilight of the year sees a gradual decline, with September basking in 279 hours, and sunshine dwindling to 204 hours by December. Overall, the progression reflects a dynamic interplay between the seasons, highlighting Jiangnan's enchanting shift from winter's embrace to the lush vibrancy of summer.
In Jiangnan, China, January boasts the highest likelihood of sunny weather among the winter months, with a 55% chance of sunshine illuminating the landscape. As the year progresses into February, this likelihood dips to 44%, and further declines to 33% by March. The trend continues into the spring, where April sees just 26% sunshine, and by May, the chances plummet to 13%. Interestingly, the summer months offer a mixed bag, with July experiencing a small rebound at 23%, while August drops again to 19%. As autumn arrives, September returns to a more favorable 50%, highlighting a seasonal shift, before another decline in October and November. Ultimately, January stands out as a bright beacon, making it the sunniest month of the year in this region.
In January, Jiangnan, China experiences about 10 hours of daylight, as the region's winter grips the landscape. As the calendar pages turn to February, daylight slowly begins to stretch, reaching 11 hours. This gradual increase continues into March and April, where the days extend to 12 hours, heralding the arrival of spring. The onset of warmer weather in May ushers in 13 hours of daylight, a trend that remains consistent through the summer months of June, July, and August. However, as autumn approaches, daylight begins to wane, dropping back to 12 hours in September and continuing its descent to 10 hours once again by December. This cyclical pattern illustrates the rhythmic ebb and flow of daylight throughout the year, perfectly mirroring the changing seasons in this picturesque region.
In January, the winds of Jiangnan, China, gently stir at an average speed of 3.2 m/s (7 mph), heralding the start of a new year with a refreshing embrace. This robust breeze marks the tail end of winter, gradually giving way to milder gusts in February and March, where speeds dip to 2.9 m/s (6 mph) and 2.5 m/s (6 mph) respectively. As spring approaches in April, the winds gain strength again, subtly rising to 2.9 m/s (7 mph), hinting at the renewal of life. The warmer months of May and June see a slight decline, with wind speeds down to 2.4 m/s (5 mph), before stabilizing at 2.6 m/s (6 mph). However, as summer peaks in July, the winds pick up a bit, reaching 3.1 m/s (7 mph), only to mellow out as autumn arrives. Remarkably, October witnesses a resurgence with an invigorating 4.1 m/s (9 mph), making it the windiest month, before cooling down through November and December as the region prepares for winter again, with average speeds of 3.0 m/s (7 mph) and 3.4 m/s (8 mph). Overall, these wind patterns beautifully illustrate the subtle transitions of the seasons in Jiangnan, creating a dynamic tapestry of natural elements.
Weather in Jiangnan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Jiangnan, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February both exhibit mild temperatures, with January having a minimum of 0°C (33°F) and February slightly warmer at 1°C (34°F). The average temperature remains consistent between the two months at around 11°C (53°F), while both months peak at a maximum of 25°C (78°F). However, February experiences more precipitation, totaling 88 mm (3.5 in) over 10 days compared to January's 52 mm (2.0 in) over 7 days. Additionally, February shows a higher humidity level of 71%, compared to January's 66%. For more details on February weather, you can visit Jiangnan weather in February.
In January, the weather is generally cooler with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (78°F), resulting in a mild average of 11°C (53°F). Precipitation levels are relatively low at 52 mm (2.0 in) over about 7 days, with a humidity of 66%. In contrast, March experiences warmer temperatures, with a minimum of 4°C (40°F) and a maximum of 27°C (82°F), leading to a higher average of 14°C (58°F). However, March also brings significantly increased rainfall, totaling 140 mm (5.5 in) across approximately 16 days, and higher humidity at 81%. For a more detailed look at March weather, visit Jiangnan weather in March.
January and April present notable differences in weather conditions. In January, temperatures range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 25°C (78°F), with an average of 11°C (53°F). The month sees a total of 52 mm (2.0 in) of precipitation across approximately 7 days, with humidity averaging 66%. In contrast, April enjoys warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (65°F), and a maximum reaching 29°C (85°F). However, it also experiences higher rainfall, totaling 106 mm (4.2 in) over about 12 days, and increased humidity at 84%. For more details about April weather specifically, check out Jiangnan weather in April.
In comparison to January, May experiences significantly warmer temperatures, with a minimum of 11°C (52°F) and an average high of 34°C (93°F), compared to January's minimum of 0°C (33°F) and maximum of 25°C (78°F). May also sees a marked increase in both precipitation and humidity; while January receives 52 mm (2.0 in) of rainfall over 7 days, May's total precipitation rises to 165 mm (6.5 in) across 16 days, contributing to a higher humidity level of 87%. This shift from the cooler, dryer January weather to the warmer, wetter conditions in May highlights a notable transition in the climate. For more detailed information about the weather, check Jiangnan weather in May.
In January, the weather tends to be mild with temperatures ranging from a chilly 0°C (33°F) at night to a comfortable 25°C (78°F) during the day, accompanied by moderate humidity of 66%. With approximately 52 mm (2.0 in) of precipitation spread over 7 days, it is relatively dry compared to other months. In contrast, June experiences a much warmer climate, with minimum temperatures of 18°C (65°F) and maximums reaching up to 35°C (94°F). This month sees significantly higher precipitation at 302 mm (11.9 in) over about 20 days, resulting in increased humidity levels of 84%. For more details on the weather in June, you can check Jiangnan weather in June.
In January, the weather in Jiangnan is significantly cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (78°F), averaging around 11°C (53°F). The month sees about 52 mm (2.0 in) of precipitation spread over 7 days, accompanied by a moderate humidity of 66%. In stark contrast, July experiences much warmer temperatures, with a minimum of 23°C (74°F) and a maximum soaring to 36°C (97°F), averaging 28°C (83°F). This month is also notably wetter, with 127 mm (5.0 in) of rainfall over 15 days and higher humidity levels at 88%. For more detailed insights on Jiangnan's July weather, you can visit the following link: Jiangnan weather in July.
When comparing the weather between January and August, the differences are quite striking. January experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 25°C (78°F), along with an average temperature of 11°C (53°F). In contrast, August brings a significant rise in temperatures, with a minimum of 24°C (75°F) and a maximum of 35°C (96°F), resulting in a much higher average of 28°C (82°F).
In addition to the temperature, the levels of precipitation and humidity also vary greatly. January has relatively low precipitation at 52 mm (2.0 in) over 7 days and a humidity level of 66%. Meanwhile, August is much wetter, receiving about 300 mm (11.8 in) of rain over 22 days, coupled with a higher humidity of 85%. For more detailed insights on August weather, check out Jiangnan weather in August.
In January, the weather is relatively mild, with temperatures ranging from a chilly minimum of 0°C (33°F) to a pleasant maximum of 25°C (78°F), and an average of 11°C (53°F). With 52 mm (2.0 in) of precipitation over about 7 days and humidity hovering around 66%, January experiences a cooler and drier climate compared to September.
In contrast, September brings significantly warmer temperatures, with a minimum of 19°C (66°F) and a soaring maximum of 36°C (97°F), averaging 26°C (80°F). The month also sees increased rainfall, measuring 94 mm (3.7 in) across roughly 15 days, coupled with slightly higher humidity at 67%. This shift highlights the transition from the cooler, more temperate January weather to the hot and often rainier conditions typical of September. For more insights on September's climate, you can visit Jiangnan weather in September.
In January, the weather is cooler with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (78°F), averaging around 11°C (53°F). The month sees about 52 mm (2.0 in) of precipitation over around 7 days, and humidity levels hover around 66%. In contrast, October experiences warmer temperatures, ranging from a minimum of 13°C (55°F) to a high of 33°C (92°F), with an average of 22°C (72°F). The month is slightly wetter, with precipitation totaling 69 mm (2.7 in) spread over about 10 days and humidity increasing to 72%. For more details about the weather in October, you can check Jiangnan weather in October.
In January, the weather tends to be cooler with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 25°C (78°F), averaging around 11°C (53°F). The month experiences about 52 mm (2.0 in) of precipitation over approximately 7 days and has a humidity level of 66%. In contrast, November offers milder conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), averaging 18°C (64°F). This month has higher precipitation, totaling 75 mm (3.0 in) over about 9 days, and a higher humidity level of 77%. For a more detailed look at the weather patterns in November, you can explore Jiangnan weather in November.
In comparing the weather between January and December, we see that January has a wider temperature range, with minimums dipping to 0°C (33°F) compared to December's milder minimum of 5°C (41°F). The average temperatures are slightly lower in January at 11°C (53°F) versus December's 13°C (56°F). Both months experience the same maximum temperature of 25°C (78°F), but January sees slightly higher precipitation at 52 mm (2.0 in) over 7 days, while December records 46 mm (1.8 in) over 9 days. Additionally, December tends to be more humid, with a humidity level of 80%, compared to January’s 66%. For more details, you can explore Jiangnan weather in December.
As January unfolds in Jiangnan, it presents a distinct shift in weather compared to the milder months that precede and follow it. With a blend of cool temperatures and a sprinkle of precipitation, January typically features cooler days and brisk nights, making it a refreshing departure from the warm humidity experienced in other seasons. While the average temperature hovers around a pleasant 11°C, the cooler swings can dip to single digits, offering a stark contrast to the sultry summer heat. Rainfall is modest, yet frequent enough to keep the landscape vibrant, reflecting the unique charm of this winter month. For those keen on understanding the full essence of Jiangnan's climate throughout the year, detailed insights can be found here: Jiangnan Climate.