Last updated: August 21, 2025
December in Sark, Guernsey showcases a cool maritime climate, with average temperatures hovering around 10°C (51°F). The month experiences a maximum of 14°C (57°F) and dips to a chilly minimum of 4°C (40°F). With 177 mm (7.0 in) of precipitation spread over 21 days, rain is a frequent companion, contributing to the island’s lush landscape. Humidity levels are notably high at 92%, creating a crisp yet refreshing atmosphere. This enchanting island offers a serene, albeit wet, charm during the festive season.
In December, Sark, Guernsey welcomes winter with a slight coolness, as temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 14°C (57°F). The average temperature hovers around 10°C (51°F), marking a gentle shift from the milder conditions of autumn. Compared to the preceding months, it's a subtle transition, illustrating the gradual cooling trend typical of the island's climate. The temperature in December reflects the lingering warmth as winter approaches, making it a delightful time for visitors to experience the tranquil beauty of Sark's landscapes amid the festive season.
December in Sark, Guernsey, heralds a significant uptick in precipitation, with an average of 177 mm (7.0 in) recorded over 21 days of rainfall. This marks not only the wettest month of the year, surpassing both October and November, but also highlights a trend of increasing precipitation as winter approaches. As temperatures drop, the persistent drizzle transforms the landscape, creating a lush, verdant backdrop. This spike in December's rainfall contrasts sharply with the much drier months of April and July, emphasizing the island’s diverse climate and the rhythm of seasonal change. With 21 days of rain, it’s a time when Sark's charming scenery is richly replenished, inviting visitors to enjoy its unique winter beauty.
December in Sark, Guernsey, witnesses a notable continuation of high humidity, typically hovering around 92%. This marks a trend that starts to emerge in the preceding months, where humidity remains elevated—peaking in November. As the year progresses from the warmer summer months, where humidity dipped to 69% in July, it gradually climbs back up, culminating in winter's chill. The robust humidity levels in December reflect not only the arrival of winter but also a return to the island's characteristic moist climate, reminiscent of the lush, green scenery that Sark is renowned for.
In December, Sark, Guernsey experiences a low UV Index of 1, indicating minimal risk for sunburn and prolonged outdoor activities. As the year draws to a close, the exposure category remains low, allowing residents and visitors to enjoy the outdoors without significant concern for UV radiation. Interestingly, this marks the lowest UV Index of the year, following a gradual increase through the sunnier months of June and July, where it peaked at 9 and 8, respectively. December's burn time is a generous 45 minutes, comparable to January and November, reinforcing the trend of lower UV exposure during the winter months. For the most up-to-date UV information and to plan your sun safety, visit Sark UV Index.
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In December, Sark experiences a gentle dip in sunshine, with around 130 hours of radiant daylight. While this may seem modest compared to the summer months, which bask in up to 436 hours of sunlight in July, the island still enjoys a charming winter atmosphere. Notably, as the year progresses, there’s a clear upward trend in sunlight from the depth of winter in January with only 107 hours, peaking in the vibrant days of April and May that showcase the island's beauty. This seasonal ebb and flow highlights Sark's unique charm, inviting both residents and visitors to appreciate the softer glow of winter days before the sun's return in the spring.
In December, the likelihood of encountering sunny weather in Sark, Guernsey, tends to be relatively low, with only a 25% chance of sunshine. This marks a decline from the preceding months, as the chance of sun decreases from November's 30%. Interestingly, sunshine chances are generally lower in the winter months, following a peak in April at 63%. Seasonal trends indicate that the transition from the lighter, sunnier days of spring to the darker winter months leads to a notable reduction in daylight and clear skies. While December may not offer the sunniest of prospects, it is a time of year that encourages cozy indoor activities and festive celebrations.
As December arrives in Sark, Guernsey, daylight wanes, offering just 8 hours of sunlight—a stark contrast to the vibrant 16 hours of June. This seasonal shift is part of a harmonious rhythm, where longer days in spring and summer gradually diminish towards winter's embrace. Following the gradual decline from 15 hours in May to the current December tally, the shorter days create a cozy ambiance as nature settles into its slumber. As the year draws to a close, the pattern of daylight reminds us of the cyclical beauty of time, encouraging reflection and appreciation for the changing seasons.
As the year draws to a close, December winds in Sark, Guernsey pick up pace, reaching an average speed of 9.3 m/s (21 mph), the highest of any month. This brisk wind serves as a stark contrast to the gentler breezes of midsummer, where June recorded a mere 4.5 m/s (10 mph). Notably, the wind begins to strengthen in late autumn, starting at 7.4 m/s (17 mph) in November before culminating in December's lively gusts. Throughout the year, wind speeds typically fluctuate, with winter generally bringing more robust conditions, as evidenced by January's 8.6 m/s (19 mph) and February's close 8.8 m/s (20 mph). These patterns highlight the island's dynamic maritime climate, with December's invigorating winds not only signaling the end of the year but also breathing life into Sark’s scenic coastal vistas.
Weather in Sark varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sark, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather patterns of December and January, December tends to be slightly warmer, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (57°F), while January sees a drop, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 13°C (57°F). Precipitation also plays a significant role; December is wetter, receiving 177 mm (7.0 in) of rain over 21 days, compared to January's 98 mm (3.9 in) spread over just 15 days. Additionally, December has a higher humidity level of 92%, compared to January's 90%. For more detailed insights into January's weather, you can check Sark weather in January.
In December, the weather is generally cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (57°F) and an average of 10°C (51°F). The month sees substantial precipitation, totaling 177 mm (7.0 in) over 21 days, and a high humidity level of 92%. In contrast, February experiences milder temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F), averaging around 9°C (48°F). The precipitation is significantly lower at 89 mm (3.5 in), spread over 16 days, while humidity remains slightly lower at 89%. For a more detailed look at weather conditions during this month, check Sark weather in February.
When comparing the weather in December and March, December generally presents cooler conditions with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (57°F) and an average of 10°C (51°F). It also experiences significantly higher precipitation, with 177 mm (7.0 in) over 21 days and a humidity level of 92%. In contrast, March sees a slight drop in minimum temperature to -1°C (31°F), but maintains a similar maximum of 14°C (57°F) with an average of 9°C (49°F). The month also features markedly less rainfall, totaling 80 mm (3.2 in) across 15 days, accompanied by a lower humidity of 86%. For a closer look at Sark's weather in March, you can check Sark weather in March.
In December, the weather is generally cooler and much wetter than in April, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (57°F). This month experiences significant precipitation, totaling about 177 mm (7.0 in) over 21 days, contributing to a high humidity level of 92%. In contrast, April sees slightly warmer temperatures, with minimums around 5°C (41°F) and maximums reaching 15°C (60°F). The overall precipitation decreases dramatically to 35 mm (1.4 in) over just 7 days, resulting in a relative humidity of 84%. For more detailed insights about April weather, you can check Sark weather in April.
December weather is characterized by cooler temperatures and higher humidity levels, with averages around 10°C (51°F) and significant precipitation of 177 mm (7.0 in) occurring over 21 days. In stark contrast, May experiences warmer conditions, with average temperatures rising to 12°C (54°F) and maximums reaching 19°C (66°F). Additionally, May enjoys much less rainfall, totaling just 57 mm (2.2 in) over only 8 days and lower humidity at 80%. This shift from the damp chill of December to the milder, drier atmosphere of May creates a notable transition in the climate. For more details, you can check out Sark weather in May.
December and June present contrasting weather patterns, highlighting the seasonal shifts. In December, temperatures range from a chilly 4°C (40°F) to a mild 14°C (57°F), with an average of 10°C (51°F). The month experiences significant rainfall, totaling 177 mm (7.0 in) over 21 days, accompanied by high humidity levels of 92%. In contrast, June boasts warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 21°C (70°F), averaging around 15°C (59°F). The precipitation is notably lower, at 64 mm (2.5 in) over just 10 days, and humidity is also reduced to 80%. This shift illustrates the transition from the damp and cool end of the year to the warmth and relative dryness of summer. For more details, visit Sark weather in June.
December and July present contrasting weather conditions. In December, temperatures typically range from a chilly 4°C (40°F) to a mild 14°C (57°F), accompanied by high humidity levels at 92%. This month also sees a significant amount of precipitation, with around 177 mm (7.0 in) falling over 21 days, leading to a notably damp atmosphere. In contrast, July offers much warmer weather, with temperatures starting at a comfortable minimum of 14°C (58°F) and reaching a maximum of 23°C (73°F). The humidity drops to 69%, and rainfall is significantly less, totaling just 42 mm (1.7 in) over 8 days. This shift not only highlights the seasonal differences but also emphasizes the welcoming warmth of summer compared to the cooler, wetter winter months. For detailed insights, check Sark weather in July.
In December, the weather is significantly cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 14°C (57°F). The month experiences substantial rainfall, totaling 177 mm (7.0 in) over 21 days, along with high humidity levels at 92%. In contrast, August offers a much warmer climate, with temperatures from a minimum of 14°C (57°F) to a maximum of 23°C (73°F) and only 57 mm (2.2 in) of precipitation spread over 10 days, resulting in a more comfortable humidity level of 73%. This stark difference makes December feel quite dreary compared to the pleasant summer conditions in August. For more details on the weather during this month, visit Sark weather in August.
In December, the weather tends to be considerably cooler and wetter compared to September. December experiences average temperatures ranging from a chilly 4°C (40°F) to a maximum of 14°C (57°F), contrasted with the more moderate September temperatures of 12°C (54°F) to 22°C (72°F). Additionally, December sees a significant increase in precipitation, totaling 177 mm (7.0 in) over approximately 21 days, compared to September's relatively mild 71 mm (2.8 in) spread over just 10 days. The humidity is also notably higher in December at 92%, while September maintains a lower humidity level of 79%. For a closer look at the specific weather conditions, you can check Sark weather in September.
December typically experiences cooler temperatures compared to October, with a minimum of 4°C (40°F) and an average of 10°C (51°F), while October has a milder range, starting at a minimum of 9°C (48°F) and reaching an average of 15°C (59°F). Additionally, December sees more frequent precipitation, with 177 mm (7.0 in) of rain over 21 days, compared to October's 152 mm (6.0 in) across 18 days. The humidity is slightly higher in December at 92%, compared to October's 89%, contributing to the overall chill of the month. For more details on October weather, you can refer to Sark weather in October.
December's weather typically feels cooler than November's, with average temperatures dropping from 12°C (54°F) in November to 10°C (51°F) in December. The minimum temperatures also decrease slightly, averaging 4°C (40°F) in December compared to 6°C (43°F) in November. Additionally, December experiences more precipitation, totaling 177 mm (7.0 in) over 21 days, compared to November's 129 mm (5.1 in) over 19 days. Despite both months having high humidity levels at 92%, the combination of lower temperatures and increased rainfall in December makes it feel particularly damp and chilly. For a more detailed comparison, you can check out Sark weather in November.
December on Sark brings a notable chill and increased moisture, setting it apart from the milder months of the year. As temperatures dip, with highs averaging around 10°C, the island experiences a significant number of precipitation days, totaling 21, which contributes to a heightened sense of humidity at 92%. This transition into winter not only transforms the landscape but also invites a cozy, reflective atmosphere, making it a unique time to experience Sark's natural beauty. For a deeper dive into the climate nuances of Sark, check out Sark Climate.