Last updated: August 21, 2025
May in Sark, Guernsey, unveils a charming temperate climate, with maximum temperatures reaching a pleasant 19°C (66°F) and an average of 12°C (54°F). As the island blossoms with springtime beauty, visitors can expect minimum temperatures around 7°C (45°F). However, a gentle reminder to prepare for some moisture is warranted; the month experiences 57 mm (2.2 in) of rain spread over 8 days, contributing to a humidity level of 80%. This blend of mild weather and occasional showers creates an inviting atmosphere for both locals and travelers seeking to enjoy the serene landscapes of Sark.
In May, temperatures in Sark, Guernsey begin to reflect the transition to warmer weather, with a minimum of 7°C (45°F) and an average of 12°C (54°F). The maximum climbs to a pleasant 19°C (66°F), marking an increase from the previous months. This rise in temperature is a part of a broader trend observed as spring blossoms into early summer, showcasing how May serves as a bridge between the cooler spring months and the warmth of summer. With each passing week, locals and visitors alike can enjoy more mild and inviting days, making it a delightful time to explore the island's stunning landscapes.
In May, Sark experiences a moderate precipitation of 57 mm (2.2 in), falling on an average of 8 days throughout the month. This is a slight uptick from the preceding drier April, which saw only 35 mm of rain over just 7 days. As spring unfolds, May's rainfall signals a gradual transition into the wetter summer months ahead, with June typically bringing a modest increase to 64 mm (2.5 in). Overall, while May remains relatively dry compared to the year's wetter periods, the consistent rainfall hints at the lush landscapes that characterize Sark during this vibrant time of year.
In Sark, Guernsey, May marks a notable shift in humidity levels, dipping to 80%—the lowest point since April. This gradual decrease reflects a broader trend as the region transitions from spring to summer, offering a welcome respite from the higher humidity of the earlier months. The damp chill of winter months like January and February, with humidity at 90% and 89%, respectively, gives way to a more comfortable atmosphere as June continues the trend with similar numbers. Following this period of relative dryness, July brings a marked drop to 69%, signaling the onset of warmer, drier summer conditions. As the year progresses, the fluctuating humidity levels create a unique rhythm, painting a vivid picture of Sark's climatic journey through the seasons.
As we transition into May, the UV Index in Sark, Guernsey reaches a noteworthy 7, indicating a high exposure category. This uptick from April's UV Index of 6 highlights the increasing intensity of sun exposure as we move into the warmer months. With a burn time of just 25 minutes, it’s a crucial reminder to take protective measures against UV radiation. May marks a significant point in the year where sun safety practices become increasingly important, paving the way to an even higher UV Index of 9 in June. For those enjoying the beautiful outdoor scenery of Sark, it’s essential to stay informed and prepared; for more details, check out the Sark UV Index.
UV Risk Categories
May brings a delightful surge of sunshine to Sark, Guernsey, with an impressive 414 hours of bright daylight, marking a significant increase from the 359 hours in April. This month not only highlights the transition into summer but also sets the stage for June's slightly higher total of 416 hours. As daylight hours peak during the mid-year months, May emerges as a pivotal point in the annual cycle, where the sun actively reclaims the sky. In contrast, the winter months lag considerably, showcasing a stark difference with January's mere 107 hours. As you revel in May's radiance, it's a perfect reminder of nature's rhythm and the promise of sunnier days ahead.
As May approaches in Sark, Guernsey, the likelihood of sunny weather shows a notable trend from the preceding months. Following a significant leap in April, where sunny days flourish at 63%, May presents a moderate chance of sunshine at 42%. Though this reflects a slight dip compared to April, it remains considerably higher than the winter months, where sunshine chances hover below 30%. Interestingly, the sunny prospects in May are reminiscent of the earlier months of the year, suggesting a beautiful transitional period into summer. As the days lengthen, residents and visitors alike can look forward to enjoying the pleasant weather that May often brings, despite the natural fluctuations in sunshine.
As spring unfolds in Sark, Guernsey, the transition from winter's shorter days to the vibrant daylight of May becomes increasingly evident. With an impressive 15 hours of daylight in May, the island experiences a flourishing increase from 13 hours in April. This trend of expanding daylight continues into June, peaking at 16 hours, before gradually tapering off during the summer months. By July, the light begins to dwindle slightly, offering 15 hours, and continues to decrease through the fall and into winter. This seasonal rhythm not only enhances the beauty of Sark's natural landscapes but also invites residents and visitors alike to bask in the longer, sun-kissed days that May brings.
In May, Sark, Guernsey experiences a moderate average wind speed of 8.0 m/s (18 mph), slightly lower than the preceding months of January and February, which boast higher averages of 8.6 m/s (19 mph) and 8.8 m/s (20 mph) respectively. This gentle breeze sets the stage for a serene transition into summer, contrasting sharply with the brisk winds of winter, where December peaks at 9.3 m/s (21 mph). Following May, winds taper off in June to just 4.5 m/s (10 mph), marking a notable decline that heralds the calmer summer months ahead. Overall, the wind trends from spring to summer reflect a gradual softening, making May an ideal time for outdoor activities while still embracing the lively spirit of the season.
Weather in Sark varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sark, focusing on differences in temperature, rainfall, humidity, and UV levels.
May generally offers milder and more pleasant weather compared to January. With average temperatures reaching up to 12°C (54°F) and a maximum of 19°C (66°F), May tends to be much warmer than January’s average of 9°C (48°F) and maximum of 13°C (57°F). Additionally, May experiences less precipitation, with a total of 57 mm (2.2 in) over 8 days, compared to January's higher total of 98 mm (3.9 in) spread across 15 days. While both months have high humidity levels, January's humidity is slightly higher at 90%, compared to May's 80%. For a more detailed look at January weather, visit Sark weather in January.
May and February exhibit notably different weather patterns. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 19°C (66°F), with an average of 12°C (54°F), creating a more pleasant and warmer climate. In contrast, February experiences cooler temperatures, with a low of 0°C (32°F) and a high of 13°C (55°F), resulting in an average of 9°C (48°F). Additionally, February is wetter, with a total precipitation of 89 mm (3.5 in) over 16 days, compared to May's 57 mm (2.2 in) across just 8 days. Humidity levels are also higher in February at 89%, compared to May’s 80%. For more details on February weather, you can refer to Sark weather in February.
May generally experiences milder temperatures compared to March, with average highs reaching 19°C (66°F) compared to March's maximum of 14°C (57°F). While May sees a comfortable average temperature of 12°C (54°F), March's average is noticeably cooler at 9°C (49°F). However, March is characterized by more frequent rainfall, with 80 mm (3.2 in) of precipitation over 15 days, versus May's 57 mm (2.2 in) across just 8 days. Humidity levels are slightly lower in May at 80%, compared to 86% in March. For more detailed insights on March weather, you can check Sark weather in March.
Comparing the weather between April and May, we can see a noticeable warming trend as spring progresses. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 15°C (60°F), with an average of 10°C (50°F) and a total precipitation of 35 mm (1.4 in) over 7 days. By May, temperatures rise slightly, with minimums of 7°C (45°F) and maximums reaching up to 19°C (66°F), averaging at 12°C (54°F). May also sees an increase in precipitation, totaling 57 mm (2.2 in) across 8 days, although humidity remains relatively high, hovering around 80% compared to April's 84%. For more details about the weather in April, visit Sark weather in April.
May and June both exhibit mild temperatures and substantial humidity, but June tends to be slightly warmer and wetter than May. In May, the average temperature hovers around 12°C (54°F) with daily highs reaching up to 19°C (66°F), while June enjoys a higher average of 15°C (59°F) and peaks at 21°C (70°F). Rainfall also increases in June, accumulating to 64 mm (2.5 in) over about 10 days, compared to May's 57 mm (2.2 in) across 8 days. Despite the increase in precipitation, both months maintain a consistent humidity level of 80%. For more detailed information, check out Sark weather in June.
In May, the weather tends to be cooler with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 19°C (66°F), averaging around 12°C (54°F). The month experiences higher humidity at 80% and receives a total of 57 mm (2.2 in) of precipitation over about 8 days. In contrast, July showcases warmer temperatures with a minimum of 14°C (58°F) and a maximum of 23°C (73°F), averaging 17°C (62°F). Precipitation decreases to 42 mm (1.7 in) over the same number of rainy days, and humidity is lower at 69%. For more insights about the weather during this summer month, you can check Sark weather in July.
In May, the weather is cooler with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 19°C (66°F), averaging around 12°C (54°F). The month experiences approximately 57 mm (2.2 in) of precipitation over about 8 rainy days, accompanied by a high humidity level of 80%. In contrast, August sees warmer temperatures, with a minimum of 14°C (57°F) and a maximum reaching 23°C (73°F), averaging 17°C (63°F). While total precipitation remains similar at 57 mm (2.2 in), it occurs over about 10 days, and humidity displays a slight decrease to 73%. For more details, you can check out Sark weather in August.
May typically offers cooler temperatures with a minimum of 7°C (45°F) and an average of 12°C (54°F), reaching a maximum of 19°C (66°F). This month experiences about 57 mm (2.2 in) of precipitation over 8 days, alongside a humidity level of 80%. In contrast, September brings warmer weather, with a minimum temperature of 12°C (54°F), an average of 17°C (62°F), and a maximum of 22°C (72°F). Although September is slightly wetter, with 71 mm (2.8 in) of rainfall over 10 days and a humidity of 79%, the overall feel is more temperate compared to May. For more details on September weather, you can visit Sark weather in September.
In May, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 19°C (66°F), with an average of 12°C (54°F). The month sees moderate precipitation at 57 mm (2.2 in) over about 8 days, coupled with a humidity level of 80%, making it a relatively mild and pleasant spring month. In contrast, October experiences slightly warmer temperatures, ranging from 9°C (48°F) to 20°C (68°F), with an average of 15°C (59°F). However, it is also significantly wetter, with 152 mm (6.0 in) of rainfall spread across 18 days and a higher humidity of 89%. For more specific information on October weather, you can check Sark weather in October.
May and November share similar average temperatures, both settling around 12°C (54°F). However, May typically experiences slightly warmer maxima, reaching up to 19°C (66°F), while November sees a maximum of 17°C (62°F). Precipitation levels highlight a stark contrast, with November receiving considerably more rain—129 mm (5.1 in) over 19 days—compared to May's 57 mm (2.2 in) over just 8 days. Additionally, humidity is higher in November at 92%, compared to 80% in May, contributing to a more damp and chillier atmosphere during the later month. For more detailed information, you can check this link: Sark weather in November.
In comparing the weather between May and December, we notice distinct differences in temperature and precipitation patterns. May experiences milder temperatures, with a minimum of 7°C (45°F) and an average of 12°C (54°F), while December sees slightly cooler conditions, with a minimum of 4°C (40°F) and an average of 10°C (51°F). Precipitation is notably higher in December, totaling 177 mm (7.0 in) over 21 days, compared to May's 57 mm (2.2 in) across just 8 days. Additionally, December is characterized by higher humidity levels at 92%, compared to May's 80%. For a more detailed look at December weather conditions, you can visit Sark weather in December.
As May arrives, Sark experiences a refreshing shift in weather, marked by a pleasant rise in temperatures and an inviting atmosphere. The island sees less chill than in the preceding months, with milder days drawing visitors eager to enjoy the scenery. Although it welcomes some rainfall with around eight days of precipitation, the overall humidity hovers at a comfortable level, enhancing the lush greenery that characterizes Sark's landscape. This month serves as an ideal time to explore the natural beauty of the island, making it a standout in the yearly climate cycle. For a detailed look at the changing weather patterns throughout the seasons, visit Sark Climate.