Last updated: August 21, 2025
April weather in Castel, Guernsey brings a refreshing blend of cool temperatures and moderate precipitation, creating a vibrant spring atmosphere. With a maximum temperature reaching 15°C (59°F) and an average of 10°C (50°F), the days are pleasantly crisp, while the minimum temperature dips to 5°C (41°F) at night. This month sees 34 mm (1.3 in) of rainfall spread over 8 days, contributing to the lush greenery of the landscape. Humidity levels remain relatively high at 84%, enhancing the invigorating feel of the coastal air and turning Castel into a picturesque backdrop for visitors and locals alike.
As April arrives in Castel, Guernsey, temperatures begin to show a promising uptick, marking a transition into spring. With minimums climbing to 5°C (41°F) and maximums reaching 15°C (59°F), the average temperature settles at a comfortable 10°C (50°F). This change from the chillier months of January through March, where lows were often around freezing, heralds the arrival of milder days that encourage outdoor exploration. The contrast is palpable, as April's temperatures make a notable leap from the earlier months, paving the way for warmer May and June. As nature awakens, the pleasant weather invites both locals and visitors to bask in the blossoming landscapes of this charming island.
In April, Castel, Guernsey experiences a notable drop in precipitation, with only 34 mm (1.3 in) of rainfall recorded over just 8 days. This marked reduction compared to the preceding months highlights a shift towards drier conditions as spring unfolds. The month of April stands out as one of the least rainy periods of the year, particularly when juxtaposed with the heavier downpours in January, October, and December, where precipitation can exceed 144 mm (5.7 in). This trend suggests that as winter transitions to spring, Castel enjoys a brief respite from rainfall, paving the way for brighter, sunnier days ahead.
In April, Castel, Guernsey experiences a notable shift in humidity, averaging 84%, which reflects a gradual decline from the previous months. Following the high humidity of 89% in January and 88% in February, the springtime brings a welcome easing as the weather starts to warm. This drop aligns with the broader trend of decreasing humidity leading into the summer months, paving the way for a more comfortable atmosphere as the year progresses. Interestingly, while April marks a low point compared to the preceding months, it still retains a moderate level of moisture, bridging the gap between the chill of winter and the warmth of summer.
As April arrives in Castel, Guernsey, the UV Index sees a notable increase, peaking at 6, which falls into the high exposure category. This marks a shift from the previous months, with January's low index of 2 and March's moderate index of 4, signaling that it's time to take sun safety more seriously. With a burn time of just 25 minutes, residents and visitors alike should be vigilant in applying sunscreen and wearing protective clothing to enjoy the emerging spring sunshine. As we move into May, the UV levels will continue to climb, reaching a 7, so it's crucial to stay informed and prepared for the sun's rays. For ongoing updates and detailed information, visit Castel UV Index.
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April brings a delightful surge of sunshine to Castel, Guernsey, boasting an impressive 359 hours of sunlight. This marks a significant increase from the previous months, with March sitting at 238 hours—a clear indication of the transition into spring. As the days lengthen, April sets the stage for even brighter months ahead, specifically May and June, which average over 400 hours each. This upward trend highlights how Guernsey shakes off the winter chill, welcoming longer days that encourage outdoor activities and a vibrant community spirit. As summer approaches, the island's atmosphere transforms, showcasing the beauty of longer, sunlit hours that characterize this picturesque locale.
As spring unfolds, Castel, Guernsey experiences a notable shift in weather patterns, with April showcasing a promising 62% chance of sunny days. This significant increase from the preceding months, such as only 38% in March, highlights April as a pivotal transition into brighter weather. Following the upward trend, May dips slightly to 42%, but the sunshine potential in April marks a delightful peak in the early spring season. This trend suggests that as the year progresses, the residents and visitors of Castel can look forward to more luminous days, making April a vibrant month for outdoor activities and enjoying the blossoming landscapes.
As spring unfolds in Castel, Guernsey, April marks a delightful transition with 13 hours of daylight, illuminating the landscape and heralding the warmer months ahead. Following the gradual increase from 8 hours in January to 11 hours in March, April's sunshine not only brightens the days but also sets the stage for the longer days to come, peaking in June with a generous 16 hours. This trend of increasing daylight continues into May and June, creating vibrant opportunities for outdoor activities. As the year progresses, the gradual decrease in daylight remind us of the seasonal cycles, but for now, April offers a splendid taste of the longer, sun-filled days that await in summer.
In April, the winds in Castel, Guernsey, typically mellow out, with an average speed of 6.8 m/s (15 mph), reflecting a notable drop from the preceding months of January to March, where the winds were significantly stronger, exceeding 7.8 m/s (17 mph). This trend of decreasing wind speeds continues through June, highlighting a spring transition as the island prepares for warmer summer days. Interestingly, May sees a slight uptick to 8.2 m/s (18 mph), hinting at a brief resurgence before the summer calms settle in—where June shows a gentle breeze at 4.6 m/s (10 mph). Overall, April embodies a serene shift, balancing nature’s elements as Castel welcomes the softer winds of spring.
Weather in Castel varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Castel, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather conditions of April and January, April tends to be slightly warmer, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 15°C (59°F), while January's temperatures are slightly cooler, ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F). April also sees less precipitation, with 34 mm (1.3 in) over 8 days, compared to January's significant 94 mm (3.7 in) spread across 14 days. Additionally, humidity levels in January are marginally higher at 89%, compared to 84% in April. For more detailed insights, you can check Castel weather in January.
April typically offers milder weather compared to February, with average temperatures rising from February's 9°C (48°F) to 10°C (50°F). The minimum temperature in April is slightly higher at 5°C (41°F), compared to February's chilling 0°C (33°F). Despite this improvement in temperature, April experiences more pleasant days with fewer rainfall days (8) compared to February's wet 16 days. However, February sees a significantly higher total precipitation of 86 mm (3.4 in) compared to April's 34 mm (1.3 in), making it a wetter month overall. For a more detailed look at the February weather, you can check Castel weather in February.
In comparing the weather between March and April, April generally shows a slight improvement in temperature, with minimums rising to 5°C (41°F) and maximums reaching 15°C (59°F). In contrast, March features lower temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F). Precipitation in April is significantly lower at 34 mm (1.3 in) over 8 days, compared to March's 73 mm (2.9 in) over 15 days, indicating a drier month overall. Both months exhibit high humidity levels, with April at 84% and March slightly higher at 85%. For more specific details about March weather, you can visit Castel weather in March.
April and May present a noticeable shift in weather conditions. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 15°C (59°F), with an average temperature of 10°C (50°F). The month experiences relatively high humidity at 84% and total precipitation of 34 mm (1.3 in) over 8 days. In contrast, May sees a warmer climate, with temperatures varying from a minimum of 7°C (45°F) to a maximum of 18°C (65°F), and an average of 12°C (54°F). Although May has slightly higher precipitation of 55 mm (2.2 in) over the same number of days, humidity decreases slightly to 81%. For more details on the weather in this month, you can check Castel weather in May.
April and June present quite different weather conditions. In April, temperatures range from a chilly minimum of 5°C (41°F) to a mild maximum of 15°C (59°F), with an average temperature of 10°C (50°F). The month experiences 34 mm (1.3 in) of precipitation spread across 8 days, alongside a high humidity level of 84%, creating a damp and cool atmosphere.
In contrast, June offers a warmer climate, with minimum temperatures of 11°C (53°F) and maximums reaching 19°C (67°F), resulting in an average temperature of 14°C (58°F). Although June sees a higher total precipitation of 59 mm (2.3 in) over the same number of rainy days (8), the humidity is slightly lower at 77%. This shift marks June as a more pleasant and comfortable month compared to the chill of April. For further details, you can check Castel weather in June.
April is generally cooler than July, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 15°C (59°F) and an average of around 10°C (50°F). The month is also characterized by higher humidity at 84% and more rainy days, totaling about 34 mm (1.3 in) of precipitation over 8 days. In contrast, July enjoys milder conditions, with temperatures starting at a minimum of 14°C (57°F) and peaking at 21°C (70°F), averaging 16°C (62°F). The humidity drops to 63%, and while rainfall slightly increases to 37 mm (1.5 in), it occurs over fewer days, just 7 in total. This shift makes July a much warmer and more comfortable month. For more details about July's weather, visit Castel weather in July.
In April, temperatures are mild, with a minimum of 5°C (41°F) and a maximum of 15°C (59°F), resulting in an average of about 10°C (50°F). The month experiences a fair amount of precipitation, totaling 34 mm (1.3 in) over approximately 8 days, coupled with high humidity at 84%. In contrast, August brings warmer conditions, with minimum temperatures around 14°C (57°F) and a maximum of 22°C (72°F), yielding an average temperature of 17°C (63°F). Although August is slightly wetter, with 50 mm (2.0 in) of rain over 9 days, the humidity is more comfortable at 71%. For a closer look at the weather specifics for this time of year, you can check Castel weather in August.
April and September each showcase distinct weather patterns. In April, temperatures range from a chilly minimum of 5°C (41°F) to a pleasant maximum of 15°C (59°F), with an average of 10°C (50°F). The month experiences around 34 mm (1.3 in) of precipitation over approximately 8 days, with a high humidity of 84%. In contrast, September offers a milder climate, with temperatures reaching a minimum of 12°C (54°F), an average of 17°C (62°F), and a maximum of 21°C (71°F). Precipitation increases to 63 mm (2.5 in) across 9 days, but humidity drops to a more comfortable 76%. For more details, you can check Castel weather in September.
April and October present contrasting weather patterns. In April, temperatures range from a chilly 5°C (41°F) at night to a mild 15°C (59°F) during the day, with an average of 10°C (50°F). The month experiences around 34 mm (1.3 in) of precipitation over approximately 8 days, accompanied by a humidity level of 84%. In contrast, October brings a warmer climate, with minimum temperatures rising to 9°C (48°F) and maximums reaching 20°C (68°F), averaging at 15°C (59°F). However, October is notably wetter, receiving 144 mm (5.7 in) of rain spread over about 17 days and a slightly higher humidity at 89%. For more details about the weather conditions during this time, you can visit Castel weather in October.
April and November both exhibit mild temperatures, but there are notable differences in their climate characteristics. In April, the average temperature ranges from a minimum of 5°C (41°F) to a maximum of 15°C (59°F), with an average of 10°C (50°F) and relatively low precipitation of 34 mm (1.3 in) over about 8 rainy days. Conversely, November sees slightly warmer temperatures, with lows of 6°C (43°F) and highs reaching 17°C (63°F), averaging 12°C (54°F). However, it is much wetter, experiencing 126 mm (5.0 in) of rain across approximately 18 days, making the month feel more humid at 90%. For more details about the weather conditions in November, you can check Castel weather in November.
April and December both feature mild temperatures, with April experiencing a minimum of 5°C and a maximum of 15°C, while December's range is slightly cooler, with temperatures hitting a minimum of 5°C and a maximum of 14°C. However, December sees significantly higher precipitation, amounting to 163 mm over 21 days, compared to April's 34 mm over just 8 days. Additionally, humidity levels in December are higher at 90%, compared to April's 84%, contributing to a heavier atmosphere. For more detailed information about December weather, you can check Castel weather in December.
As April settles in, Castel experiences a refreshing transition marked by mild temperatures and increasing humidity, setting it apart from the chill of earlier months. With a pleasant average around 10°C, the days become noticeably warmer, though cooler nights still remind us that winter has just passed. The rain, amounting to 34 mm spread over about eight days, adds a touch of verdant vibrancy to the landscape, distinguishing April from the drier, colder winters and giving way to the bloom of spring. This blend of cooler temperatures and refreshing showers creates a unique atmosphere, inviting both locals and visitors to explore the beauty of the season. For more insights on what to expect, visit Castel Climate.