Last updated: August 21, 2025
October in Sark, Guernsey is characterized by a mild climate, with maximum temperatures reaching 20°C (68°F) and an average of 15°C (59°F). Visitors can expect cooler evenings, as temperatures dip to a minimum of 9°C (48°F). This month also sees considerable rainfall, with a total of 152 mm (6.0 in) spread over 18 days, creating a lush, vibrant landscape. The high humidity at 89% adds to the island's unique charm, making October a time when the natural beauty of Sark is particularly enchanting, despite the frequent showers.
As October arrives in Sark, Guernsey, temperatures begin to transition from the warmth of summer to the crispness of fall. The month features a minimum temperature of 9°C (48°F), offering a gentle coolness that invites cozy attire. With an average temperature of 15°C (59°F), the weather remains comfortably mild, perfect for outdoor strolls amidst the autumn scenery. The maximum temperature peaks at a pleasant 20°C (68°F), allowing for those last few warm days before winter settles in. This pattern reflects a gradual cooling trend from the balmy temperatures of the preceding summer months, making October a delightful time to enjoy Sark's natural beauty while experiencing the cozy charm of the island as it embraces autumn.
October in Sark, Guernsey, marks a significant shift in the weather, as it experiences one of the highest precipitation levels of the year, totaling 152 mm (6.0 in) over 18 days. This month stands out not only for its increased rainfall but also for the dramatic contrast it presents when compared to the preceding months; for instance, September's total was just 71 mm (2.8 in) with only 10 rainy days. October’s prolonged spells of rain herald the arrival of winter, making it the wettest month since December, which averages 177 mm (7.0 in). The surge in precipitation highlights a transition in Sark’s climate, as the island gears up for the colder months, often marked by more frequent and intense showers. This rainy pattern is a reminder of the island's maritime climate, where the weather can change briskly, contributing to the lush landscapes that define Sark's charm.
As October rolls in, Sark, Guernsey experiences a notable spike in humidity, rising to 89%, reminiscent of the winter months ahead. This uptick follows a gradual decline from the summer's drier spells, where July recorded a low of 69%. The transition from September’s 79% to October’s humidity showcases the island's shift towards the damp, bracing air typical of autumn and early winter. It’s a return to the more characteristic moisture levels seen in the earlier months of the year, echoing the 90% humidity of January and 92% of November and December. This cyclical rhythm of humidity paints a vivid picture of Sark's climatic transitions, inviting residents and visitors alike to prepare for the cozy, crisp days of autumn.
As autumn settles in Sark, Guernsey, the UV Index shifts to a moderate level of 4 in October, reflecting a gradual decrease from the summer's peak. With a burn time of approximately 30 minutes, it’s essential to remain mindful of sun exposure during this time. This trend of diminishing UV levels follows a strong summer characterized by very high indices, highlighting the contrast between the vibrant sun of June and July, and the softer rays of fall. Even as the days shorten, it’s important to stay protective; for further insights, check out the Sark UV Index.
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In October, Sark, Guernsey experiences a beautiful transition as the days grow shorter but still offer a generous 270 hours of sunshine. Following the sun-drenched peak of summer, where July basked in an impressive 436 hours, this month showcases a notable decline, but it's not without its charm. September’s 338 hours of sunlight gently eases into October, while the earlier months of the year, like January with just 107 hours, contrast sharply with the vibrant autumn light. As we move towards the darker months of November and December, which together yield only 311 hours, October stands out as a delightful interlude of warmth and brightness, making it an ideal time for visitors to appreciate Sark’s stunning natural beauty before winter takes hold.
October in Sark, Guernsey, offers a 35% chance of sunny weather, marking a slight dip compared to the sunnier months earlier in the year. Following a robust April with a notable 63% chance of sunshine, the sunny possibilities decrease as autumn sets in. While October is certainly not the sunniest month, it does provide a pleasant interlude before the winter gloom, with a probability similar to the late summer months of August and September. As the year winds down, the chance of sun diminishes, but October still holds its own with moderate brightness that can delight visitors and locals alike.
As October descends upon Sark, Guernsey, the days begin to shorten, offering around 10 hours of daylight—a gentle decline from the sun-soaked peaks of summer. Following the vibrant 16 hours of daylight in June, the month of October signals a transition, where sunlight wanes and autumn colors come alive. Compared to August’s lingering 14 hours, the shift is palpable, marking the slow approach of winter. This rhythmic pattern of daylight highlights the island’s seasonal dance, where each month breathes a different ambiance, inviting residents and visitors alike to savor the rich beauty of nature as it prepares for the colder months ahead.
As October rolls in on Sark, Guernsey, the island witnesses a refreshing uptick in wind speeds, averaging 7.9 m/s (18 mph). This marks a notable rebound from the gentler breezes of summer, when wind speeds dipped to a calm 4.5 m/s (10 mph) in June and remained moderate throughout July and August. While September's winds lingered at 5.9 m/s (13 mph), October's gusts bring an invigorating change, which is reminiscent of the preceding months, especially as they approach the more blustery conditions of late autumn, exemplified by November's 7.4 m/s (17 mph). This progressive shift creates an ideal atmosphere for outdoor enthusiasts to enjoy the island’s stunning coastal beauty, as the winds dance through the rugged landscapes, hinting at the winter chill to come.
Weather in Sark varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sark, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present contrasting weather patterns. In October, temperatures typically range from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), with an average of 15°C (59°F). The month is characterized by considerable precipitation, averaging 152 mm (6.0 in) over 18 days, and a high humidity level of 89%. In comparison, January features colder conditions, with temperatures dipping as low as 2°C (37°F) and peaking at 13°C (57°F), averaging 9°C (48°F). Although January sees less rainfall, totaling 98 mm (3.9 in) across 15 days, humidity remains slightly higher at 90%. For more detailed insights on January weather, you can refer to Sark weather in January.
October and February present distinctly different weather patterns. In October, temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), with an average of 15°C (59°F). This month also experiences considerable rainfall, totaling 152 mm (6.0 in) over 18 days, while the humidity remains consistently high at 89%. In contrast, February is cooler, with temperatures peaking at just 13°C (55°F) and dipping to a minimum of 0°C (32°F). The total precipitation is lower, at 89 mm (3.5 in) over 16 days, but the humidity remains the same, at 89%. For more details on February weather, visit Sark weather in February.
In comparing the weather between October and March, it becomes evident that October is generally warmer, with average temperatures ranging from 9°C to 20°C (48°F to 68°F), while March sees cooler temperatures, typically between -1°C and 14°C (31°F to 57°F). October also experiences significantly more precipitation, totaling 152 mm (6.0 in) over 18 days, compared to March's 80 mm (3.2 in) over 15 days. Humidity levels are fairly similar in both months, with October at 89% and March at 86%. For a detailed look at March weather, you can visit Sark weather in March.
In comparing October and April weather, October tends to be notably warmer, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), while April's temperatures are cooler, with averages between 5°C (41°F) and 15°C (60°F). Additionally, October experiences significantly higher precipitation, totaling 152 mm (6.0 in) over 18 days, compared to April's much lighter 35 mm (1.4 in) over just 7 days. Humidity levels are also slightly higher in October at 89%, compared to April's 84%. For more detailed insights on April weather, you can visit Sark weather in April.
In October, the weather tends to be cooler and wetter compared to May, with average temperatures ranging from a minimum of 9°C to a maximum of 20°C. This month sees significant precipitation, totaling 152 mm over approximately 18 days, accompanied by high humidity at around 89%. In contrast, May brings milder conditions, with temperatures ranging from a minimum of 7°C to a maximum of 19°C, and significantly less rainfall of just 57 mm over 8 days, along with a lower humidity level of 80%. For more details on May's weather, you can check Sark weather in May.
When comparing the weather between October and June, we can see some notable differences. June typically enjoys slightly warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 21°C (70°F), while October’s temperatures range from a cooler 9°C (48°F) to 20°C (68°F). Both months maintain the same average temperature of 15°C (59°F), but October is significantly wetter, receiving 152 mm (6.0 in) of precipitation over 18 days, compared to June's milder 64 mm (2.5 in) over just 10 days. Relative humidity is also higher in October at 89%, compared to June's 80%, contributing to a more damp and chilly atmosphere. For a more detailed look at June weather specifics, check out Sark weather in June.
In comparing the weather of October and July, there are notable differences in temperature, precipitation, and humidity. October experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 15°C (59°F), contrasting with July's warmer temperatures, which range from a minimum of 14°C (58°F) to an average of 17°C (62°F). Additionally, October sees significantly more rainfall, with 152 mm (6.0 in) across 18 days, while July boasts much lighter precipitation of only 42 mm (1.7 in) over just 8 days. The humidity also reflects these seasonal shifts, sitting at 89% in October compared to 69% in July. For a closer look at July's weather specifics, you can check out Sark weather in July.
In comparing the weather of October and August, it's clear that October is significantly cooler and wetter. October's temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), with an average of 15°C (59°F). In contrast, August boasts milder temperatures, with a minimum of 14°C (57°F) and a maximum of 23°C (73°F), averaging around 17°C (63°F). Additionally, October experiences much higher precipitation, with 152 mm (6.0 in) over 18 days, while August sees only 57 mm (2.2 in) across 10 days. Humidity levels are also higher in October at 89%, compared to 73% in August. For a detailed look at August weather, you can visit Sark weather in August.
In comparing the weather between September and October, it’s clear that October tends to be cooler and wetter. While September boasts a milder minimum temperature of 12°C (54°F) and an average high of 22°C (72°F), October registers a lower minimum of 9°C (48°F) and a maximum temperature of only 20°C (68°F). Additionally, October experiences significantly higher precipitation, totaling 152 mm (6.0 in) over 18 days, compared to September's 71 mm (2.8 in) across just 10 days. The humidity also rises in October to 89%, compared to September's 79%, making the later month feel more damp. For further details on September's weather, you can visit Sark weather in September.
October and November showcase a gradual shift in weather patterns. In October, temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), with an average of 15°C (59°F). The month experiences significant rainfall, totaling 152 mm (6.0 in) over 18 days, and maintains a high humidity of 89%. By contrast, November sees a drop in temperatures, with minimums of 6°C (43°F), averages of 12°C (54°F), and maximums of 17°C (62°F). While it has slightly less precipitation at 129 mm (5.1 in) spread over 19 days, humidity rises to 92%. For more details on the weather, you can check Sark weather in November.
October and December exhibit notable differences in weather, reflecting the transition from autumn to winter. In October, temperatures range from a minimum of 9°C (48°F) to a maximum of 20°C (68°F), averaging around 15°C (59°F), while December sees cooler conditions with temperatures dropping to a minimum of 4°C (40°F) and peaking at 14°C (57°F), averaging 10°C (51°F). Precipitation also increases slightly from 152 mm (6.0 in) in October over 18 days to 177 mm (7.0 in) across 21 days in December, accompanied by a rise in humidity from 89% to 92%. For a closer look at December weather specifics, you can visit Sark weather in December.
As October unfolds on Sark, the island experiences a transition into the cooler season, with temperatures that reflect a distinct shift from the warmer months. The increased humidity at 89% contributes to a more chilly atmosphere, while frequent rain, with 152 mm of precipitation over 18 days, marks this month as one of the wetter ones. Visitors can expect a mix of sunny spells and overcast days, creating a beautifully moody landscape ideal for those who appreciate autumn's charm. For more on Sark's climate throughout the year, visit Sark Climate.