Last updated: August 21, 2025
March in Castel, Guernsey, presents a cool maritime climate characterized by a maximum temperature of 13°C (55°F) and an average of 9°C (49°F), offering a refreshing atmosphere as winter transitions into spring. Residents can expect a minimum of 0°C (32°F), highlighting the crispness of early spring mornings. The island experiences noteworthy precipitation, accumulating 73 mm (2.9 in) over 15 days of rainfall, contributing to the lush greenery typical of the region. With humidity levels reaching 85%, the air is often moist, underscoring Guernsey's unique coastal environment. Enjoy the blend of cool temperatures and occasional showers, perfect for those who appreciate the charm of the season.
March in Castel, Guernsey welcomes the arrival of spring with cool temperatures that hint at the warmer days ahead. With nightly lows around 0°C (32°F), the chill still lingers, but the daytime average maintains a steady 9°C (49°F), providing a refreshing atmosphere. The maximum temperature reaches about 13°C (55°F), showcasing a subtle transition from the winter chill of January and February, which featured colder nights and similar daytime averages. As the island shakes off the frosts of winter, March serves as a bridge to the more temperate climate of April and May, encouraging locals and visitors alike to enjoy the early bloom of the season.
In March, Castel, Guernsey experiences a notable shift in precipitation patterns as winter gives way to spring. With 73 mm (2.9 inches) of rainfall spread over 15 days, March marks a decrease from the higher volumes seen in January and February. This steady decline suggests a transition toward milder weather, with fewer rain-soaked days compared to the earlier months. Interestingly, while the overall precipitation is lower, the frequency of rainy days remains consistent, hinting at a more varied climate as nature prepares for the blooming season ahead. As the landscape starts to awaken, the gentle march of showers lays the groundwork for the lush beauty that follows in April and May.
In March, Castel, Guernsey experiences a slight decline in humidity, with levels averaging 85%. This marks a subtle shift from the winter months where humidity remained high, peaking at 89% in January and coming down a notch to 88% in February. As spring approaches, the trend continues downward, leading to April's forecasted 84%. This gradual decrease hints at the transition into drier conditions, paving the way for the summer months ahead, when humidity is expected to drop even further, reaching as low as 63% in July. The overall pattern reveals a clear cycle, with higher humidity prevalent in the colder months, while the warmer season gradually brings more comfort with lower moisture levels.
As spring approaches, March in Castel, Guernsey brings the UV Index to a moderate level of 4, indicating an increase in sun exposure compared to the earlier months. This shift from January's low index of 2 and February's 3 means residents and visitors should be mindful of their sun safety, as the estimated burn time decreases to 30 minutes. Looking ahead to April, the UV Index jumps to 6, marking the start of high exposure risk, which emphasizes the need for protective measures as the days lengthen and the warmer weather draws people outdoors. For those planning sun-soaked activities, keeping an eye on the UV trends is essential; learn more about it here.
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As spring unfolds in Castel, Guernsey, March shines brightly with 238 hours of sunshine, marking a significant leap from the dreary days of winter. This invigorating increase not only heralds the arrival of warmer weather but also paves the way for longer, sun-soaked days ahead. Following this trend, April continues the momentum with 359 hours, while May reaches impressive heights, boasting 414 hours of radiant sunlight. The steady rise from winter's modest offering of 107 hours in January creates a vibrant tapestry of light and warmth, inviting residents and visitors alike to embrace the beauty of the season. As the days stretch longer, Castel transforms into a haven of sunshine, casting a hopeful glow on the joyous months to come.
As March unfolds in Castel, Guernsey, the likelihood of sunny weather begins to brightens, reaching a notable 38% chance—a significant increase from the winter months. This upward trend is a refreshing change, as January and February lingered below 30%, offering little in the way of sunshine. By April, the sun’s presence becomes even more pronounced, climbing to 62%, indicating that spring truly brings more favorable weather. Interestingly, while May also promises an impressive 42% chance of sunshine, the summer months introduce more variability, with July peaking at 49% before dipping again in August. Overall, March marks an exciting transition towards brighter days, setting the stage for the sunnier months ahead.
As winter transitions into spring, March in Castel, Guernsey reveals a renewed vitality with an increase in daylight duration to 11 hours. This marks a noticeable leap from the 10 hours offered in February and signals the impending arrival of longer days. The gradual ascent in daylight hours continues into April, where they extend to 13 hours, and culminate in a vibrant 15 hours by May. This upward trend sets the stage for the sunlit summer months, inviting residents and visitors alike to bask in the growing warmth and beauty of the season. Each additional hour of daylight not only enhances the local landscape but also uplifts the spirit, making March a captivating precursor to the brightness of the upcoming months.
As March rolls into Castel, Guernsey, the winds begin to shift, tapering off from the brisk gusts of winter. With an average wind speed of 7.8 m/s (17 mph), March marks a noticeable decline from the higher velocities seen in January and February, which averaged around 9.0 to 9.1 m/s. This gentle transition hints at the arrival of spring, as the winds become more moderate in anticipation of warmer days. As the seasons progress, the winds continue to soften, reaching their calmest in June at 4.6 m/s (10 mph), but don’t be fooled—this month still carries a seasonal bite before the tranquil summer breezes set in. In the broader view of the year, March serves as a pivotal point, showcasing the ebb and flow of winds that characterize the delightful weather in Castel.
Weather in Castel varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Castel, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, we observe some interesting similarities and differences. Both months share an average temperature of 9°C (49°F), but January typically experiences a minimum temperature of 3°C (37°F), slightly warmer than March's chillier minimum of 0°C (32°F). Additionally, March tends to have a maximum temperature of 13°C (55°F), while January peaks at 14°C (57°F). Precipitation levels are notably higher in January with 94 mm (3.7 in) over 14 days compared to March's 73 mm (2.9 in) over 15 days, indicating that January is generally wetter despite its slightly warmer temperature. The humidity remains relatively high in both months, with January at 89% and March at 85%. For those interested in a detailed look at January's weather, you can refer to Castel weather in January.
March weather shows a slight improvement compared to February, particularly in temperature, with similar minimums and averages, but it tends to be slightly drier. While both months share similar average maximum temperatures at around 13°C (55°F), March experiences a reduction in precipitation, dropping to 73 mm (2.9 in) over 15 days, compared to February's 86 mm (3.4 in) across 16 days. Humidity levels are also marginally lower in March at 85%, compared to February's 88%. For a more detailed look at February's conditions, you can visit Castel weather in February.
March and April showcase a clear transition in weather patterns. In March, temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 13°C (55°F), with an average of 9°C (49°F). The month is relatively wet, experiencing 73 mm (2.9 in) of precipitation over 15 days, contributing to a high humidity level of 85%. In contrast, April brings slightly warmer temperatures, with a minimum of 5°C (41°F) and a maximum of 15°C (59°F), resulting in an average of 10°C (50°F). Precipitation decreases significantly to 34 mm (1.3 in), with rain recorded on just 8 days, leading to a marginally lower humidity of 84%. For a more detailed look at the weather in April, check out Castel weather in April.
In March, the weather tends to be quite chilly, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 13°C (55°F) and an average of 9°C (49°F). This month sees considerable precipitation, accumulating around 73 mm (2.9 in) over approximately 15 days, paired with high humidity levels of 85%. In contrast, May brings more pleasant conditions as temperatures increase significantly, with a minimum of 7°C (45°F), an average of 12°C (54°F), and a maximum of 18°C (65°F). Additionally, May experiences less rainfall, totaling around 55 mm (2.2 in) over just 8 days, and slightly lower humidity at 81%. For more detailed information, you can check the link: Castel weather in May.
The weather in March and June presents a notable contrast. In March, temperatures range from a chilly 0°C (32°F) to a mild 13°C (55°F), with an average of 9°C (49°F). The month is characterized by high humidity at 85% and significant precipitation, totaling 73 mm (2.9 in) over 15 days. In contrast, June offers a much warmer climate, with minimum temperatures of 11°C (53°F) and maximums reaching 19°C (67°F), averaging 14°C (58°F). The overall humidity decreases to 77%, and precipitation is less frequent, falling to 59 mm (2.3 in) over just 8 days. For more details, visit Castel weather in June.
In March, the weather can be quite chilly, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 13°C (55°F), and an average temperature of 9°C (49°F). This month also experiences high humidity at 85% and significant rainfall, averaging 73 mm (2.9 in) over about 15 days, making it feel quite damp and cool. In contrast, July brings much milder and more pleasant conditions, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 21°C (70°F), and an average temperature of 16°C (62°F). The humidity drops to a more comfortable 63%, and precipitation decreases significantly to just 37 mm (1.5 in) over about 7 days. For a closer look at summer conditions, you can check Castel weather in July.
March and August present contrasting weather patterns. In March, temperatures range from a chilly 0°C (32°F) to a mild maximum of 13°C (55°F), with an average of 9°C (49°F). The month is characterized by higher precipitation, totaling 73 mm (2.9 in) spread over 15 days, and a humidity level of 85%. In contrast, August enjoys warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 22°C (72°F), averaging 17°C (63°F). The summer month experiences less rainfall, accumulating 50 mm (2.0 in) over just 9 days, and a lower humidity of 71%. For more specifics about August weather, you can visit Castel weather in August.
March and September present contrasting weather conditions. In March, temperatures fluctuate more dramatically, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F), resulting in an average of 9°C (49°F). This month is characterized by higher humidity at 85% and more precipitation, totaling 73 mm (2.9 in) over about 15 days. In stark contrast, September offers milder temperatures, ranging from a minimum of 12°C (54°F) to a maximum of 21°C (71°F), with an average of 17°C (62°F). Additionally, September experiences less precipitation at 63 mm (2.5 in) over 9 days and lower humidity levels at 76%. For more information, check out Castel weather in September.
March and October present distinct weather patterns, reflecting the transition from winter to autumn. In March, temperatures are cooler with a minimum of 0°C (32°F) and an average of 9°C (49°F), peaking at 13°C (55°F). Precipitation occurs on about 15 days, totaling 73 mm (2.9 in), accompanied by high humidity at 85%. In contrast, October enjoys milder temperatures, ranging from a minimum of 9°C (48°F) to an average of 15°C (59°F), and a maximum of 20°C (68°F). However, it also experiences higher precipitation, totaling 144 mm (5.7 in) over 17 days, with humidity slightly elevated at 89%. For those interested in the specifics of October weather, you can find more information here: Castel weather in October.
March and November exhibit distinct weather patterns, with March typically being colder and more variable than November. In March, temperatures range from a chilly 0°C (32°F) at night to a mild 13°C (55°F) during the day, accompanied by frequent precipitation on about 15 days, resulting in a total of 73 mm (2.9 in). In contrast, November brings milder temperatures, with nocturnal lows of 6°C (43°F) and daytime highs reaching 17°C (63°F). While November experiences higher total precipitation of 126 mm (5.0 in) over 18 days, the humidity levels are also slightly elevated at 90%. For a detailed look at the weather in November, visit Castel weather in November.
In March, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant average of 9°C (49°F), with a maximum of 13°C (55°F). The month sees about 73 mm (2.9 in) of precipitation over approximately 15 days, with humidity levels reaching 85%. In contrast, December features slightly milder temperatures, with a minimum of 5°C (41°F) and an average of 11°C (51°F), peaking at 14°C (58°F). However, it also experiences significantly higher precipitation, totaling 163 mm (6.4 in) across 21 days, and a humidity level of 90%. For more detailed insights into December weather, you can visit Castel weather in December.
As March unfolds in Castel, the weather begins to shift from the chill of winter, presenting an intriguing blend of cool temperatures and wet conditions. With maximum highs around 13°C and an average of 9°C, this month still dips towards the colder side, especially during nights when temperatures may touch freezing. Unlike the drier spells in late spring, March is marked by significant precipitation, with 73 mm falling over approximately 15 days, leading to a notably high humidity level of 85%. This transitional month bridges the gap toward warmer days ahead, making it an essential time to experience the character of Castel. For more insights into what to expect weather-wise, visit Castel Climate.