Last updated: August 21, 2025
January in Changshu, China brings a mix of chilly temperatures and occasional rain, setting a distinct winter atmosphere. With maximums reaching 20°C (67°F) and averages hovering around 5°C (41°F), residents can expect brisk days, while minimum temperatures can drop to -8°C (18°F) during the night. The month sees approximately 54 mm (2.1 in) of precipitation over 7 days, contributing to a humidity level of about 70%. This blend of conditions makes for a unique January, characterized by its cool climate and sporadic rainfall, perfect for cozy indoor activities and winter explorations.
In Changshu, China, January marks a striking transition as temperatures gradually warm from the frigid depths of winter. The month kicks off with a chilly minimum of -8°C (18°F), but an inviting average of 5°C (41°F) and a maximum of 20°C (67°F) hint at the forthcoming seasonal change. This trend sets the stage for February, where a noticeable rise occurs, with minimum temperatures climbing to -5°C (23°F) and averages nudging up to 6°C (44°F). March continues this upward movement, further revealing a burgeoning spring with averages reaching 12°C (53°F), as warmer days edge closer. The gradual ascent from January's cold grip towards the milder embrace of late winter reveals Changshu's dynamic climate, inviting visitors to witness nature’s slow awakening.
In January, Changshu experiences a modest precipitation amount of 54 mm (2.1 in), falling over approximately 7 days. This marks the start of the year with relatively low rainfall compared to the following months, where precipitation gradually increases, peaking in July at an impressive 256 mm (10.1 in) over 16 days. As winter transitions into spring, there's a noticeable upward trend; February sees a slight increase to 56 mm (2.2 in), signaling the impending shift towards the wetter months. Throughout the year, rainfall intensifies, particularly from May onwards, where it typically surpasses 120 mm, showcasing Changshu's transition from its drier winter to a lush and vibrant summer. This pattern underscores the region's dynamic climate, characterized by a clear progression from minimal winter rain to substantial summer downpours.
In January, Changshu, China, experiences a humidity level of 70%, marking the start of a gradual increase that reflects the region's transition into the more humid months. As the year progresses, January's humidity begins to climb steadily, with February showing a slight rise to 73%. This upward trend becomes more pronounced in the following months, peaking dramatically in July with a high of 93%, creating a humid summer atmosphere. Interestingly, humidity levels remain elevated through August at 91%, before starting a gradual decline throughout the autumn months, landing at 77% by December. Overall, the data highlights a clear seasonal progression, with January serving as a low starting point in a year characterized by rising humidity, peaking in the warm summer months.
In Changshu, China, January ushers in a moderate UV Index of 5, indicating a burn time of approximately 30 minutes for fair-skinned individuals. This sets the stage for a gradual increase in UV radiation as the year progresses. By February, the UV Index climbs to 6, categorized as high, reducing the safe exposure time to 25 minutes. As spring approaches, the UV Index spikes dramatically from 8 in March to a peak of 10 in both April and May, signaling very high levels of UV risk with a mere 15 minutes of safe sun exposure. Summer intensifies the threat further, with extreme levels of UV radiation peaking at 11 from June to August, where just 10 minutes can result in burns. As fall arrives, the UV Index eases back to 10 in September and 8 in October, before tapering to 6 in November and 4 in December, which still require some sun protection. Understanding these trends is vital for safely enjoying the outdoors year-round; for more detailed information, check the complete guide here: Changshu UV Index.
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In January, Changshu enjoys 155 hours of sunshine, a gentle start to the year that sets the stage for steadily increasing daylight as winter gives way to spring. As February rolls in, sunshine hours rise to 210, hinting at the brighter days ahead. March sees a more significant leap to 238 hours, showcasing nature’s awakening. The months that follow, particularly April and May, are full of vitality, with sunshine peaking at 255 and 282 hours respectively, making these months a delightful time for outdoor activities. Interestingly, this upward trend continues into summer, with July and August basking in 283 and 307 hours of sunshine, respectively—the pinnacle of brightness in Changshu. Although September marks a gradual decline to 258 hours, the city still retains the warmth of summer well into the fall, with October and November delivering 241 and 221 hours. By December, daylight wanes to 214 hours, gently ushering in the return to winter’s embrace, yet hinting at the promising cycle of sunshine set to renew in the coming year.
In Changshu, China, January brings a 50% chance of sunny weather, making it one of the more favorable months for sunshine as winter sets in. This likelihood is notably higher than the months that follow, with February dropping to 43% and March plummeting to 28%. As spring approaches, the chance of sun remains unpredictable, hovering around 30% to 34% until early summer, where it hits a low of 19% in July. Interestingly, the chances begin to rise again in the autumn months, peaking in November at 59% before culminating in December with a 67% likelihood of clear skies. This trend highlights January as a bright spot in an otherwise cloudy winter, encouraging outdoor activities before the sun hides away during the later months.
In Changshu, China, January marks the beginning of the year with 10 hours of daylight, hinting at the gradual transition to longer, brighter days. As the months progress into February and March, daylight duration increases to 11 hours, heralding the arrival of spring. The length of daylight continues to grow, peaking at 14 hours in June as summer takes hold. Following this zenith, a slight decline begins, with daylight tapering back to 13 hours in July and August. By September, the days shorten to 12 hours, and this decline continues through October and November, eventually returning to 10 hours by December. This rhythmic ebb and flow of daylight encapsulates the seasonal shifts in Changshu, providing a natural backdrop to the changing landscape.
In January, Changshu, China, greets the new year with a gentle average wind speed of 3.3 m/s (7 mph). This mild breeze heralds the transition into the spring months, where winds remain relatively consistent, peaking slightly in February and March at 3.4 m/s (8 mph). As the seasons shift, the April and May winds calm to 3.2 m/s (7 mph), gently cooling the air as summer approaches. The most noticeable change occurs in July, where winds pick up to 4.2 m/s (9 mph), bringing a vibrant energy before tapering off in the subsequent months. August’s winds drop to 2.7 m/s (6 mph), signaling the end of summer, while the fall months stabilize around 3.2 m/s (7 mph) to 3.3 m/s (7 mph), reflecting a return to the tranquility of winter. This rhythmic pattern illustrates Changshu’s dynamic yet serene climatic character throughout the year.
Weather in Changshu varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Changshu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Changshu typically range from a minimum of -8°C (18°F) to a maximum of 20°C (67°F), with an average temperature of around 5°C (41°F). The month experiences about 54 mm (2.1 in) of precipitation over 7 days, alongside a humidity level of 70%. In contrast, February sees slightly milder conditions, with a minimum temperature of -5°C (23°F) and a maximum of 25°C (78°F), leading to an average temperature of 6°C (44°F). Precipitation increases to 56 mm (2.2 in) spread over 9 days, while humidity rises slightly to 73%. For a more detailed look at the February weather, you can visit Changshu weather in February.
January and March exhibit notable differences in weather patterns. January experiences colder temperatures, with minimums dropping to -8°C (18°F) and an average of only 5°C (41°F), while March sees a significant warming trend, with minimums at 0°C (33°F) and an average temperature of 12°C (53°F). Additionally, March can reach a higher maximum temperature of 28°C (83°F), a stark contrast to January's maximum of 20°C (67°F). Precipitation levels also rise slightly in March, totaling 68 mm (2.7 in) over 11 days compared to January's 54 mm (2.1 in) over 7 days, contributing to a higher humidity level of 81% in March compared to January's 70%. For a more detailed overview, you can check Changshu weather in March.
January and April present a striking contrast in weather conditions. In January, temperatures typically range from a chilly minimum of -8°C (18°F) to a mild maximum of 20°C (67°F), with an average of 5°C (41°F). The month sees around 54 mm (2.1 in) of precipitation spread over 7 days, accompanied by a moderate humidity level of 70%. In contrast, April ushers in a much warmer climate, with temperatures ranging from a minimum of 4°C (40°F) to a peak of 32°C (90°F), averaging 16°C (61°F). This month experiences slightly higher precipitation at 73 mm (2.9 in) over 8 days, while the humidity rises to 87%. For more details, you can check out Changshu weather in April.
January and May present remarkably different weather patterns. In January, temperatures typically range from a chilling -8°C (18°F) to a mild 20°C (67°F), with an average of 5°C (41°F). The month experiences around 54 mm (2.1 in) of precipitation over seven days, with humidity averaging 70%. In contrast, May brings a warm and humid atmosphere, with temperatures ranging from a comfortable 10°C (50°F) to a scorching 37°C (99°F) and an average of 22°C (71°F). Precipitation is significantly higher at 120 mm (4.7 in) across ten days, and the humidity rises to 87%. These changes illustrate the transition from winter to the sweltering pre-summer months. For more detailed information, you can check out Changshu weather in May.
In January, the weather is chilly with temperatures ranging from a minimum of -8°C (18°F) to an average of 5°C (41°F), and highs reaching 20°C (67°F). Precipitation is relatively low, with about 54 mm (2.1 in) expected over approximately 7 days and humidity sitting around 70%. In stark contrast, June brings a warm climate, with temperatures ranging from a minimum of 17°C (62°F) to an average of 25°C (77°F) and maximums soaring to 38°C (100°F). June experiences significantly higher rainfall, totaling 161 mm (6.3 in) over about 12 days, along with increased humidity levels at 89%. For more detailed information, you can visit Changshu weather in June.
In January, the weather in Changshu is characterized by chilly temperatures, with a minimum of -8°C (18°F) and an average of 5°C (41°F), making it a stark contrast to the sweltering heat of July. During this mid-summer month, temperatures soar, with a minimum of 19°C (66°F) and an average of 29°C (84°F), peaking at a scorching 42°C (108°F). Additionally, while January experiences relatively low precipitation of 54 mm (2.1 in) over 7 days, July sees a significant increase with 256 mm (10.1 in) spread over 16 days, paired with high humidity levels of 93%. For more detailed insights, you can check out Changshu weather in July.
January and August present starkly contrasting weather conditions. In January, temperatures hover between a chilling minimum of -8°C (18°F) and a comfortable maximum of 20°C (67°F), with an average of 5°C (41°F). This month experiences moderate precipitation of 54 mm (2.1 in) across 7 days, accompanied by a humidity level of 70%. In contrast, August is characterized by warm and humid weather, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 40°C (104°F) and an average temperature of 29°C (85°F). This summer month sees significantly higher rainfall, totaling 154 mm (6.1 in) over 14 days and humidity levels rising to 91%. For more details, you can check Changshu weather in August.
January and September exhibit stark contrasts in weather conditions. In January, the temperatures range from a chilly minimum of -8°C (18°F) to a comfortable maximum of 20°C (67°F), with an average of 5°C (41°F). The month sees relatively low precipitation at 54 mm (2.1 in) over just 7 days, accompanied by a humidity level of 70%. In contrast, September experiences much warmer temperatures, with minimums around 15°C (59°F) and maximums reaching as high as 35°C (95°F), averaging 25°C (77°F). This month also receives more precipitation at 134 mm (5.3 in) over 12 days, coupled with higher humidity levels of 81%. For more details, you can check Changshu weather in September.
In January, the weather is cold with temperatures ranging from a minimum of -8°C (18°F) to an average of 5°C (41°F), reaching a maximum of 20°C (67°F). This month experiences a total precipitation of 54 mm (2.1 in) over about 7 days, accompanied by a humidity level of 70%. In contrast, October brings much warmer conditions, with temperatures starting at a minimum of 8°C (46°F), averaging 19°C (66°F), and peaking at 33°C (91°F). Precipitation in October is slightly lower at 46 mm (1.8 in) across the same number of rainy days, but with higher humidity at 80%. For more detailed information, you can check Changshu weather in October.
In January, temperatures can drop significantly, with a minimum of -8°C (18°F) and an average of just 5°C (41°F), while November offers much milder conditions, featuring a minimum of 1°C (34°F) and an average of 14°C (57°F). The maximum temperature in January can reach up to 20°C (67°F), contrasting sharply with November's warmer peak of 28°C (84°F). January experiences more humidity at 70% and slightly more precipitation of 54 mm over 7 days, compared to November's 44 mm across 6 days and a higher humidity level of 82%. For more specific insights into the weather trends, you can check Changshu weather in November.
January's weather features slightly colder temperatures compared to December, with average highs of 20°C (67°F) and lows dropping to -8°C (18°F). In contrast, December's temperatures range from a minimum of -6°C (21°F) to a maximum of 21°C (70°F), making it a little milder overall. Precipitation is also higher in January, totaling 54 mm (2.1 in) over 7 days, while December sees only 42 mm (1.6 in) across 8 days. Additionally, December has a higher humidity level at 77% compared to January's 70%. For more specific details on December weather, you can check Changshu weather in December.
As January sets in, Changshu experiences a notable shift in weather compared to the milder months of spring and fall. The temperatures dip significantly, with colder nights and crisp mornings becoming the norm, creating a stark contrast to the warmer average temperatures found in the preceding months. While January brings a moderate level of precipitation—often manifesting as light rain—humidity remains relatively high, wrapping the city in a cool, damp embrace. This month’s dynamic climate invites residents and visitors alike to bundle up and enjoy the unique charm of winter in Changshu. For a deeper look at the city’s weather patterns throughout the year, visit Changshu Climate.