Last updated: August 21, 2025
Zhoushan, China experiences a chilly December, characterized by average temperatures hovering around 12°C (53°F), with peaks reaching a maximum of 19°C (67°F) and dips to a brisk -1°C (30°F). This month also brings a notable precipitation total of 86 mm (3.4 in), spread over approximately 11 days, contributing to an 80% humidity level that enhances the coolness in the air. Whether you're exploring the coastal beauty or enjoying local festivities, prepare for a mix of wet weather and brisk temperatures that define this winter month in Zhoushan.
In Zhoushan, China, December marks a notable transition as temperatures begin to dip compared to the milder autumn months. With a minimum of -1°C (30°F) and an average of 12°C (53°F), this month ushers in cooler weather, giving way to evening chills. Daytime highs reach around 19°C (67°F), offering a refreshing balance to the crisp air. This shift is particularly consistent when emerging from November's more temperate conditions. As the year wraps up, December's fluctuations signify the onset of winter, creating a serene atmosphere perfect for cozy gatherings and reflections on the year gone by.
In December, Zhoushan experiences a gentle transition into winter, marked by an average precipitation of 86 mm (3.4 in) over 11 days. This amount reflects a subtle decrease from the wetter months earlier in the year, yet it maintains a steady rhythm typical of the season. The precipitation pattern in December aligns closely with November's 82 mm, suggesting a consistent level of moisture as the region braces for the cooler climate. As rainfall gently tapers off from the high peaks of June's 318 mm, December's conditions offer a calm reprieve, inviting residents and visitors alike to appreciate the serene beauty of Zhoushan's winter landscape.
December in Zhoushan, China, sees a humidity level of 80%, maintaining the relatively high moisture levels characteristic of the region as the year comes to a close. This figure aligns with the trend observed throughout the latter months, where humidity consistently hovers around 80%, showcasing a slight dip from the peak of 91% experienced during July. Overall, the humidity levels have risen progressively since January's 68%, peaking early summer and then oscillating modestly. As December arrives, residents can expect a cool yet humid environment, typical of Zhoushan’s maritime climate. This backdrop sets the stage for a vivid winter landscape, where dampness contributes to the region's lush greenery.
In December, Zhoushan, China experiences a moderate UV Index of 5, making sun exposure relatively safer than in the preceding months. This drop reflects a clear seasonal trend from the intense summer sun, which boasts UV Index levels soaring up to 12 from May to August, categorized as extreme with a burn time as brief as 10 minutes. As autumn sets in, the UV Index gently descends, reaching 6 in November, before tapering off to 5 in December, allowing for a more comfortable 30-minute burn time. This transition from high to moderate levels highlights the diminishing sun intensity as winter approaches, promoting safer outdoor activities. For more insights, check the detailed Zhoushan UV Index.
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In Zhoushan, China, the transition from autumn to winter brings a gentle retreat in sunshine hours, with December basking in 191 hours of sunlight. While this marks a notable drop from the summer peak of 325 hours in August, it still reflects the city's ability to capture a decent amount of winter sun. The trend reveals a gradual increase in daylight from January to May, culminating in bright July, before the sunny hours begin to recede toward the year's end. December’s sunlight continues the gradual decline, yet remains a reminder of the warming rays that linger even as the year draws to a close. This seasonal rhythm highlights Zhoushan’s unique climate, where every month offers a distinct blend of sunshine, influencing the local atmosphere and lifestyle.
In Zhoushan, China, December sees a 50% chance of sunny weather, offering a refreshing contrast to the often overcast months that precede it. As the year progresses, the likelihood of sunshine tends to fluctuate, with January mirroring December at 50%. Notably, this is one of the few months where the chance of sunny days rises above the annual average, following a gradual decline from the peak sunny period in early autumn. After the summer months, which experience a significant drop in sunshine to as low as 16% in July, December marks a welcome return to brighter days, making it an attractive time to enjoy the mild winter ambiance of this coastal region.
In Zhoushan, China, December sees a return to shorter days, with only 10 hours of daylight. As the year progresses, daylight duration gradually increases from 10 hours in January to a peak of 14 hours in June, reflecting the region's shift towards summer. Following this high, daylight hours start to decline, settling back to 10 hours by November and December. This rhythmic pattern of increasing and decreasing daylight underscores the seasonal changes in Zhoushan, allowing residents and visitors alike to experience the lush fullness of summer days and the more subdued light of winter.
As December settles in Zhoushan, China, the average wind speed experiences a gentle shift, measuring 6.0 m/s (13 mph). This slight decrease from the brisk 6.5 m/s (14 mph) of November reflects the region's transition into winter, characterized by cooler temperatures and calmer breezes. Comparatively, the earlier months of the year exhibited more variable winds, with July peaking at an energetic 8.0 m/s (18 mph). Overall, December continues the trend of stability seen in recent months, maintaining a comfortable wind speed that invites both locals and visitors to enjoy the serene coastal scenery. The consistent winds not only add a refreshing chill to the air but also enhance the island's tranquil charm as the year draws to a close.
Weather in Zhoushan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Zhoushan, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 19°C (67°F), with an average of 12°C (53°F). The month sees approximately 86 mm (3.4 in) of precipitation over 11 days, coupled with a humidity level of 80%. In contrast, January tends to be slightly colder, with temperatures dipping to a minimum of -3°C (27°F) and peaking at 16°C (62°F), resulting in an average of 9°C (48°F). Precipitation increases slightly to 89 mm (3.5 in) over 10 days, but humidity drops to 68%. For more detailed information, you can check Zhoushan weather in January.
In December, the weather tends to be milder, with average temperatures reaching up to 12°C (53°F) and highs of 19°C (67°F), while the minimum temperature dips to a chilly -1°C (30°F). The month sees approximately 86 mm (3.4 in) of precipitation over 11 days, accompanied by a relatively high humidity level of 80%.
In contrast, February experiences slightly warmer conditions, with an average temperature of 8°C (47°F) and maximums of 15°C (59°F). The minimum temperature in February is also a bit higher at 2°C (36°F). Despite February having a marginally higher precipitation level of 93 mm (3.7 in), the humidity drops to 73%. For more detailed insights, you can check Zhoushan weather in February.
December and March present distinct yet somewhat comparable weather patterns. In December, temperatures range from a chilly minimum of -1°C (30°F) to a maximum of 19°C (67°F), with an average of 12°C (53°F), while March offers slightly milder temperatures, with a minimum of 5°C (41°F) and a maximum of 17°C (62°F), averaging at 11°C (52°F). Both months experience high humidity levels of around 80%, but March tends to be wetter, with a total precipitation of 131 mm (5.2 in) over 15 days, compared to December's 86 mm (3.4 in) over 11 days. For more details about weather conditions, check out Zhoushan weather in March.
December and April present distinct weather patterns, reflective of their seasonal differences. In December, temperatures range from a chilly min of -1°C (30°F) to a max of 19°C (67°F), averaging around 12°C (53°F). The month sees significant precipitation, totaling 86 mm (3.4 in) over approximately 11 days, with humidity levels at around 80%. In contrast, April warms up noticeably, with a minimum temperature of 10°C (50°F) and a similar maximum of 19°C (67°F), resulting in an average of 15°C (58°F). Precipitation in April is slightly higher at 99 mm (3.9 in), spread over about 10 days, and the humidity increases to 86%. For more detailed information, you can visit Zhoushan weather in April.
December and May present quite contrasting weather experiences. In December, temperatures range from a chilly minimum of -1°C (30°F) to a mild maximum of 19°C (67°F), with an average of 12°C (53°F). The month sees moderate precipitation of 86 mm (3.4 in) across 11 days, and humidity levels hover around 80%. In sharp contrast, May offers much warmer weather with minimum temperatures of 14°C (58°F) and maximums reaching 24°C (75°F), averaging at 19°C (67°F). Precipitation in May increases significantly, totaling 199 mm (7.8 in) over 12 days, and humidity also rises slightly to 88%. For a more detailed look at the weather in May, you can visit Zhoushan weather in May.
December and June present striking contrasts in weather. In December, temperatures range from a chilly -1°C (30°F) at night to a mild 19°C (67°F) during the day, with an average of 12°C (53°F). The month experiences significant precipitation, totaling 86 mm (3.4 in) over 11 days, paired with a high humidity level of 80%. In contrast, June boasts much warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (83°F), averaging around 23°C (73°F). The summer month is also considerably wetter, receiving 318 mm (12.5 in) of rainfall over 16 days, along with a slight increase in humidity to 89%. For a more detailed look at June's conditions, you can visit Zhoushan weather in June.
In December, the weather is much cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 19°C (67°F) and an average temperature of 12°C (53°F). The month sees about 86 mm (3.4 in) of precipitation over 11 days, and the humidity levels are relatively high at 80%. In contrast, July boasts significantly warmer weather, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (85°F), and an average temperature of 26°C (80°F). Precipitation in July is higher at 175 mm (6.9 in), also occurring over 11 days, but the humidity is slightly elevated at 91%. This stark contrast in temperature and precipitation makes December a chilly winter month while July is characterized by warm summer weather. For more details on the weather in July, visit Zhoushan weather in July.
December and August present contrasting weather patterns. December typically experiences cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 19°C (67°F), with an average of 12°C (53°F). In contrast, August is significantly warmer, with a minimum of 23°C (73°F) and a maximum of 30°C (87°F), averaging around 28°C (82°F). Precipitation is also more pronounced in August at 140 mm (5.5 in) over 10 days, compared to December's 86 mm (3.4 in) spread across 11 days. Humidity levels remain relatively high in both months, with August at 88% and December at 80%. For a deeper look at August weather specifics, check Zhoushan weather in August.
December and September exhibit strikingly different weather patterns. In December, temperatures range from a chilly minimum of -1°C (30°F) to a more comfortable average of 12°C (53°F), with a maximum of 19°C (67°F). This month is also characterized by higher humidity levels at 80% and 86 mm (3.4 in) of precipitation over 11 days. In contrast, September offers warmer conditions, with temperatures ranging from a pleasant minimum of 21°C (70°F) to a maximum of 29°C (85°F), averaging around 26°C (78°F). Despite having more rain, totaling 172 mm (6.8 in) over 14 days, September still provides a warmer and more humid atmosphere at 78% humidity. For more detailed insights, check out Zhoushan weather in September.
In comparing December and October weather, December exhibits considerably cooler temperatures, with a minimum of -1°C (30°F) and an average of 12°C (53°F), peaking at 19°C (67°F). In contrast, October is much warmer, showcasing a minimum of 16°C (60°F) and an average of 21°C (71°F), reaching highs of 27°C (82°F). Precipitation levels are also noteworthy, as December experiences 86 mm (3.4 in) over 11 days, while October is wetter with 150 mm (5.9 in) across 10 days, despite both months having similar humidity levels (80% in December and 79% in October). For a more detailed look at October's weather, you can visit Zhoushan weather in October.
In December, temperatures drop significantly compared to November, with a minimum of -1°C (30°F) and a maximum of 19°C (67°F), compared to November's milder range of 8°C (47°F) to 22°C (72°F). While both months experience similar levels of humidity at 80%, December sees a slight increase in precipitation, totaling 86 mm (3.4 in) over 11 days, compared to November's 82 mm (3.2 in) across 10 days. For more details on November’s weather, you can visit Zhoushan weather in November. Overall, December is colder and wetter, signaling a shift towards winter conditions.
As December rolls in, Zhoushan's weather takes on a distinct character, contrasting with the milder conditions of previous months. With temperatures dipping, residents can expect cooler days, averaging around 12°C, coupled with an occasional chill that can see lows of -1°C. This month is notable for its increased rainfall, bringing approximately 86 mm across about 11 days, making it one of the wetter periods of the year. Coupled with high humidity levels around 80%, the air can feel quite damp, prompting many to bundle up as they navigate the strikingly different, yet captivating seasonal transition. For a deeper dive into the region's climate and weather patterns, visit Zhoushan Climate.