Last updated: August 21, 2025
In December, Suzhou experiences a marked chill, with maximum temperatures reaching only 9°C (48°F) and an average low dipping to -6°C (21°F). The month showcases its coldest nights, where temperatures can plunge to a brisk -19°C (-2°F). Despite the cold, precipitation is minimal, with just 1 mm (0.1 in) recorded over an entire month, resulting in zero rainy days, which allows for clear skies amidst the crisp air. With humidity hovering around 50%, the weather in Suzhou during December is characterized by a dry and invigorating atmosphere, ideal for festive winter activities.
In Suzhou, China, December ushers in a sharp chill as temperatures dip significantly compared to the milder months preceding it. With minimums around -19°C (-2°F) and daily averages hovering at -6°C (21°F), the city experiences a stark contrast to the balmy summer highs, where temperatures once soared beyond 42°C (108°F) in July. This drop marks the onset of winter, where residents can expect occasional frosty mornings and a maximum temperature of 9°C (48°F). December's brisk climate signals a time for bundling up and enjoying the serene beauty of Suzhou's winter landscape, reminding us of the dramatic seasonal shifts characteristic of this region.
In Suzhou, China, December typically wraps up the year with minimal precipitation, recording just 1 mm (0.1 in) of rainfall, which interestingly occurs over 0 days. This trend of low rainfall is consistent throughout the late fall and winter months, mirroring the nearly dry conditions found in January and February, which also see only 1 mm of precipitation each month. The lack of significant rain during this period highlights a definitive shift from the wetter seasons earlier in the year, such as June and July, when precipitation peaks at 8 mm and 9 mm, respectively. As the year concludes, the dry December serves as a quiet transition into the drier months ahead, emphasizing Suzhou's distinct seasonal climate patterns.
In Suzhou, China, the humidity levels showcase a noticeable trend over the year. Starting at a relatively comfortable 47% in January, the air becomes progressively drier, hitting its lowest point at 25% during the peak summer months of July and August. However, as autumn gives way to winter, the humidity levels rise again, reaching 54% in November and settling at 50% in December. This rebound reflects a shift back to a more humid climate, providing a stark contrast to the drier summer conditions. The gradual increase in humidity towards the end of the year invites a refreshing change, as Suzhou transitions into its cooler months.
In December, Suzhou experiences a notable decline in UV exposure, with the UV Index dropping to 2, categorizing it as low. This change signifies a welcome break from the extreme levels seen during the summer months, where the Index peaked at 11, requiring only 10 minutes of sun exposure to risk burns. As temperatures cool, residents and visitors can enjoy outdoor activities with a substantially longer burn time of 45 minutes, providing a safer environment for sun-seekers. This trend highlights the seasonal fluctuation in UV radiation, making December an ideal month for those looking to soak in some winter sunshine without the intense risks associated with other months. For more details, visit the Suzhou UV Index.
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In Suzhou, China, December heralds the arrival of shorter days, with an average of 271 hours of sunshine, which reflects a natural dip as the year approaches its end. This decline follows a peak in July, where the city enjoys a generous 372 hours of sunlight, highlighting a gradual transition from the vibrant brightness of summer to the more subdued light of winter. The reduction in daylight hours becomes evident after the flourishing spring months, where sunshine reached 333 hours in April and 361 hours in May. Notably, this trend of diminishing sunlight extends into the colder months, with November capturing 277 hours before December begins to taper off further. As the year closes, Suzhou's December days serve as a gentle reminder of the cyclical nature of sunlight, offering a peaceful atmosphere perfect for reflecting on the past year.
In December, Suzhou experiences a promising 76% chance of sunny weather, making it one of the brighter months in the city's annual climate pattern. This increase in sunshine follows a noticeable trend of rising sun probabilities from November’s 78%, which showcases Suzhou’s transition into winter while still holding onto pleasant, clear days. Interestingly, December’s likelihood of sunshine compares favorably to the earlier months in the year, such as April and June, where the chances drop to around 49% and 51%, respectively. While the colder months typically see a decline in sunny weather, December offers a delightful exception that residents and visitors alike can enjoy, providing a cheerful backdrop for seasonal festivities.
As December unfolds in Suzhou, China, the city experiences a return to the shorter days reminiscent of November, with only 9 hours of daylight. This reduction marks the culmination of a gradual decline in daylight hours that began after the peak of 14 hours in June and July. The trend highlights a natural ebb and flow, as the increasing daylight from early months like January through May gives way to the cozy, lantern-lit evenings of winter. December’s daylight mirrors the subdued light of January, suggesting a seasonal rhythm that invites reflection and indoor gatherings as the year draws to a close.
In Suzhou during the month of December, the wind whispers softly at an average speed of 2.8 m/s (6 mph), marking the calmest breezes of the year. This gentle decline in wind speed is a notable shift from the more brisk conditions seen earlier in the year, with peaks occurring in the spring months when winds reach up to 4.2 m/s (9 mph). As the year progresses from the lively gusts of March through July, the cooling air of winter ushers in a serene stillness, contrasting sharply with the vibrant energy of spring and summer. By December, the landscape is not only quieter but also enveloped in a tranquil charm, inviting residents and visitors alike to appreciate the subtle beauty of Suzhou’s winter air.
Weather in Suzhou varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Suzhou, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of -19°C (-2°F) to a maximum of 9°C (48°F), with an average of -6°C (21°F) and a stable humidity of 50%. The month experiences no precipitation, making it a dry time of year. In contrast, January sees a slightly colder range with minimum temperatures dropping to -20°C (-4°F) and an average of -7°C (19°F), although the maximum temperature increases to 11°C (52°F). Humidity decreases marginally to 47%, and precipitation remains sparse with no recorded days of rain. For those interested in a more detailed look at January weather, Suzhou weather in January offers additional insights.
In December, the weather features a notable range of temperatures, with a minimum of -19°C (-2°F) and an average of -6°C (21°F), culminating in a maximum of 9°C (48°F). Despite being cold, December experiences minimal precipitation, with just 1 mm (0.1 in) and no rainy days, and the humidity sits at 50%. Conversely, February is slightly colder at the lower end, with a minimum temperature of -20°C (-4°F), but it sees a rise in the average to -1°C (30°F) and a maximum of 17°C (63°F). February also maintains low precipitation levels of 1 mm (0.0 in) with no rainy days, and the humidity drops to 43%. To explore more about the weather in February, you can visit Suzhou weather in February.
December and March present contrasting weather patterns. In December, temperatures can plunge to a minimum of -19°C (-2°F), with an average of -6°C (21°F) and a maximum of 9°C (48°F). The month is relatively dry, with a total precipitation of just 1 mm and an average humidity of 50%. In stark contrast, March experiences milder conditions with a minimum temperature of -10°C (15°F), an average of 8°C (46°F), and a maximum soaring to 26°C (79°F). This month also enjoys dry weather, with no recorded precipitation and lower humidity at 38%. For more details about weather in March, you can visit Suzhou weather in March.
December and April present a striking contrast in weather conditions. In December, temperatures can drop to a minimum of -19°C (-2°F) and average around -6°C (21°F), with a maximum of only 9°C (48°F). The month typically experiences low humidity at 50%, along with negligible precipitation of just 1 mm (0.1 in) and no rainy days. Conversely, April ushers in a much milder climate, with minimum temperatures around -3°C (26°F) and averages soaring to 15°C (59°F), peaking at a maximum of 31°C (89°F). While April sees slightly more precipitation at 4 mm (0.2 in) over just one rainy day, the humidity drops to a comfortable 36%. For more details on the weather in April, you can check Suzhou weather in April.
December and May present stark contrasts in weather. In December, temperatures can plunge to a minimum of -19°C (-2°F) with an average around -6°C (21°F), while May boasts warmer temperatures, with a minimum of 4°C (40°F) and an average rising to 21°C (70°F). Precipitation also varies significantly, with December experiencing nearly no rainfall and May receiving about 5 mm (0.2 in) over just one day. Additionally, humidity levels in December average 50%, while they drop to 30% in May. For a deeper look at what to expect, check out Suzhou weather in May.
December and June present strikingly different weather patterns. In December, temperatures can dip as low as -19°C (-2°F), with an average temperature of -6°C (21°F) and a maximum reaching 9°C (48°F). This month experiences little to no precipitation, with only 1 mm recorded over the course of 0 rainy days, and humidity typically around 50%. In contrast, June boasts a much milder climate, with minimum temperatures of 12°C (53°F) and averages soaring to 25°C (78°F), peaking at a high of 37°C (98°F). This warmer month sees more humidity at 27% and a total of 8 mm of rain over 2 days. For more detailed information on June weather, you can visit Suzhou weather in June.
December and July present drastically different weather conditions. In December, temperatures can plummet to a chilling minimum of -19°C (-2°F), with an average of -6°C (21°F) and a maximum of 9°C (48°F). The month experiences very little precipitation, with just 1 mm (0.1 in) over no days, and the humidity sits at a moderate 50%. In stark contrast, July brings warmth with minimum temperatures around 16°C (61°F) and averages soaring to 28°C (83°F), reaching highs of up to 42°C (108°F). Precipitation increases slightly with 9 mm (0.3 in) over just one day, and the humidity drops to a comfortable 25%. For a deeper look into the July conditions, you can visit Suzhou weather in July.
December and August exhibit stark contrasts in weather conditions. In December, temperatures range dramatically from a frigid minimum of -19°C (-2°F) to a slightly warmer maximum of 9°C (48°F), with an average of -6°C (21°F). Precipitation is minimal during the month, with just 1 mm recorded over 0 days, and humidity stands at 50%, contributing to the chilly atmosphere. In contrast, August experiences a much warmer climate, where temperatures soar from a minimum of 11°C (52°F) to a scorching maximum of 40°C (103°F), with an average of 26°C (80°F). The month sees slightly more precipitation at 9 mm over 1 day and a lower humidity level of 25%, creating a feeling of warmth and dryness. For more details on August weather, visit Suzhou weather in August.
In December, the weather is significantly colder, with temperatures ranging from a minimum of -19°C (-2°F) to a maximum of 9°C (48°F) and an average of -6°C (21°F). In stark contrast, September enjoys much milder conditions, with temperatures varying from a minimum of 4°C (40°F) to a scorching maximum of 37°C (98°F) and an average of 21°C (70°F). Both months experience very little precipitation, with December seeing just 1 mm over 0 days and September also registering 1 mm but with zero rainy days. Additionally, the humidity is higher in December at 50%, compared to September's 32%. For a closer look at September's weather, check out Suzhou weather in September.
In comparing December and October weather, December presents much colder conditions, with average temperatures hovering around -6°C (21°F) and a maximum reaching only 9°C (48°F). In contrast, October boasts milder temperatures with an average of 11°C (51°F) and highs peaking at a much warmer 33°C (91°F). Both months experience minimal precipitation, but December's chill is accompanied by a stable humidity level of 50%, compared to slightly lower humidity of 48% in October. For more details on October weather, you can visit Suzhou weather in October.
In comparison to November, December experiences significantly colder temperatures, with a minimum of -19°C (-2°F) and an average low of -6°C (21°F), contrasting sharply with November's minimum of -14°C (6°F) and average of 1°C (35°F). While November can reach a comfortable maximum of 20°C (68°F), December's maximum peaks at just 9°C (48°F). Precipitation remains low in both months, with December receiving only 1 mm and November slightly wetter at 2 mm, though both months report no rainy days. Humidity is slightly lower in December at 50%, compared to November's 54%. For more details on November weather, you can check Suzhou weather in November.
As December unfolds in Suzhou, the weather takes a noticeable turn toward the chillier side compared to other months. With average temperatures hovering around a brisk -6°C, this month often marks one of the coldest periods of the year. However, the absence of precipitation, with a recorded 0 days of rain, adds an unusual crispness to the air, creating a serene winter atmosphere. Unlike the often humid months preceding it, December offers a refreshing 50% humidity, making it a unique time for residents and visitors alike to experience the quieter, more tranquil side of this vibrant city. For a broader understanding of how temperature and weather patterns evolve throughout the year, explore the full details at Suzhou Climate.