Last updated: August 21, 2025
July in Castel, Guernsey, offers a delightful blend of warm temperatures and moderate humidity, making it an ideal summer getaway. With maximum temperatures reaching 21°C (70°F) and an average hovering around 16°C (62°F), visitors can enjoy pleasant days under the sun. Temperatures rarely dip below 14°C (57°F), providing a comfortable climate. However, the month is not without its rain, recording 37 mm (1.5 in) of precipitation over 7 days, which contributes to the region’s lush greenery. With an average humidity of 63%, the air remains refreshingly brisk, enhancing the overall experience of this picturesque island paradise.
In July, Castel, Guernsey experiences a delightful summer crescendo, with temperatures reflecting the season's warmth. The minimum temperature settles at a comfortable 14°C (57°F), while the average climbs to a pleasant 16°C (62°F). This month boasts a maximum temperature of 21°C (70°F), marking it as one of the warmest periods of the year. Compared to earlier months, such as June with its highs of 19°C (67°F), July truly embodies the essence of summer, offering inviting days perfect for enjoying the coastal charm of Guernsey. As the island basks in these beautiful temperatures, visitors can fully embrace outdoor activities or soak up the sun.
In July, Castel, Guernsey experiences a noticeable dip in precipitation, with only 37 mm (1.5 in) recorded over just 7 days. This marks a significant reduction compared to the heavier rains of earlier months, such as January and October, which feature much higher totals. The summer season brings a refreshing lull, with July offering a brief reprieve from the routine downpours that define much of the year. As sunny days take precedence, residents and visitors alike can enjoy the milder conditions before autumn reintroduces the characteristic wetness. This trend spotlights a typical Guernsey summer, where the peak of the year often showcases more stable and enjoyable weather.
In Castel, Guernsey, the month of July brings a noticeable shift in humidity, dropping to a comfortable 63%, making it one of the driest months of the year. This decline follows a steady decrease from 89% in January to 77% in June, showcasing a trend toward drier conditions as summer peaks. However, this gradual drop takes a turn as humidity levels rebound in August to 71%, hinting at a return to muggier days. The overall pattern highlights the warmth of July coupled with reduced humidity, providing an ideal environment for outdoor activities while emphasizing the fluctuating nature of coastal climates in the region.
In July, Castel in Guernsey experiences a UV Index of 8, categorizing exposure as very high, with a burn time of just 15 minutes. This month follows June's peak at a UV Index of 9, indicating a trend of intensifying sun exposure as summer progresses. Notably, while the UV Index dips slightly from June to July, it remains significantly elevated compared to the earlier months of the year, showcasing the importance of sun safety measures during this peak season. As the summer sun shines brightly, it's crucial to be proactive in protecting your skin. For more information, visit Castel UV Index.
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July shines as the pinnacle of summer in Castel, Guernsey, boasting an impressive 436 hours of sunshine. This peak illuminates a consistent upward trend that begins in the new year, as the days lengthen and temperatures warm. From a modest 107 hours in January, the sun steadily gathers strength, with each month bringing more light, culminating in July's vibrant display. Following this summer high, August holds onto the warmth with 396 hours but begins to hint at the approaching autumn, where sunshine hours taper off to 270 in October. This rhythmic ebb and flow of sunlight not only enhances the natural beauty of Castel but also creates an inviting atmosphere for visitors and residents alike to bask in the fleeting pleasures of summer.
In Castel, Guernsey, the likelihood of sunny weather in July shows a promising uptick, sitting at 49%—a noticeable improvement from the earlier summer months. This trend follows a seasonal pattern where sunshine opportunities gradually increase as the year progresses; from a modest 21% in January, it leaps to 62% by April before peaking in July. While June brings a dip to 33%, July offers a refreshing return to sunnier conditions, hinting at a delightful summer ahead. As the sun shines more frequently, July truly emerges as a bright spot in the annual weather cycle, encouraging outdoor activities and relaxation under clear skies.
In July, Castel, Guernsey enjoys a delightful 15 hours of daylight, marking the peak of summer brightness. This month follows June’s impressive 16 hours, but the slight decrease signifies the gradual transition towards shorter days as the year progresses. With the sun rising early and setting late, July offers the perfect backdrop for outdoor activities and gatherings. Interestingly, this trend of gradually reducing daylight continues into August, where daylight dips to 14 hours, painting a vivid contrast to the longer days of spring and early summer. The consistent pattern of increasing daylight from January’s modest 8 hours to the summer zenith highlights the rhythmic dance of the seasons, inviting residents and visitors alike to soak in the vibrant summer sun before the autumn days draw nearer.
In July, the winds in Castel, Guernsey take on a gentle demeanor, with an average speed of 6.0 m/s (13 mph). This marks a slight increase from June’s calm 4.6 m/s (10 mph), as the summer months begin to stir the air. Interestingly, these warmer weeks tend to boast a more consistent breeze, following a gradual decline from the gustier conditions seen in the spring months where speeds hovered around 7.8 m/s (17 mph) in March. As we move into August, the winds get a bit brisker again at 6.6 m/s (15 mph), suggesting a subtle return to the more lively air patterns. Overall, July's winds provide a tranquil backdrop to the summer landscape, inviting leisurely days by the coast.
Weather in Castel varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Castel, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present stark contrasts in weather conditions. In July, temperatures range from a minimum of 14°C (57°F) to a pleasant maximum of 21°C (70°F), with an average of 16°C (62°F). This summer month experiences relatively low precipitation at 37 mm (1.5 in) over approximately 7 days, accompanied by a moderate humidity of 63%. In comparison, January is much cooler, with temperatures dipping to a minimum of 3°C (37°F) and peaking at 14°C (57°F), averaging around 9°C (49°F). January is also wetter, receiving 94 mm (3.7 in) of rainfall over about 14 days and boasting higher humidity levels at 89%. For a detailed look at January weather in Castel, you can refer to Castel weather in January.
In July, the weather in Castel is generally mild, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 21°C (70°F) and an average of 16°C (62°F). This month sees moderate precipitation of 37 mm (1.5 in) spread over about 7 days, alongside a humidity level of 63%. In contrast, February brings much cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 13°C (56°F), averaging around 9°C (48°F). This month is significantly wetter, with precipitation totaling 86 mm (3.4 in) occurring over 16 days, and it also features higher humidity at 88%. For more detailed weather insights, check out Castel weather in February.
July and March present distinctly different weather experiences. In July, temperatures are notably warmer, with average temperatures around 16°C (62°F) and highs reaching up to 21°C (70°F), while only 37 mm of rain falls over approximately 7 days, resulting in a relatively mild humidity of 63%. In contrast, March is much cooler, featuring average temperatures of 9°C (49°F) and a maximum of only 13°C (55°F). Additionally, March sees more precipitation, totaling 73 mm (2.9 in) over 15 days, accompanied by higher humidity levels at 85%. For more detailed information, check out Castel weather in March.
In comparing the weather of July and April, July tends to be significantly warmer with an average temperature of 16°C (62°F), while April's average temperature is cooler at 10°C (50°F). The maximum temperature in July reaches up to 21°C (70°F), in contrast to April's maximum of 15°C (59°F). Both months experience a similar amount of precipitation, with July receiving 37 mm (1.5 in) over 7 days and April receiving 34 mm (1.3 in) over 8 days. However, July has a notably lower humidity level at 63%, compared to the higher humidity of 84% in April. For a detailed look at April weather, you can visit Castel weather in April.
In comparing the weather between May and July, July tends to be warmer with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 21°C (70°F), while May records lower temperatures with averages from 7°C (45°F) to 18°C (65°F). Despite July's slightly lower precipitation of 37 mm (1.5 in) over 7 days, it has a better humidity level at 63% compared to May's higher humidity of 81% and slightly greater rainfall of 55 mm (2.2 in) over 8 days. For more detailed information, you can check Castel weather in May.
In comparing the weather of June and July, July generally experiences slightly warmer temperatures, with average highs reaching 21°C (70°F) compared to June's maximum of 19°C (67°F). The minimum temperature in July is also higher, starting at 14°C (57°F), while June sees a cooler minimum of 11°C (53°F). However, June is characterized by more rainfall, totaling 59 mm (2.3 in) across 8 days, compared to July's 37 mm (1.5 in) over 7 days. Additionally, June has a higher humidity level at 77%, compared to July's 63%, making July feel a bit drier overall. For a more detailed look at the weather conditions in June, you can visit Castel weather in June.
In comparing the weather between July and August, July tends to be slightly cooler, with an average temperature of 16°C (62°F) compared to August's steadier average of 17°C (63°F). Both months share the same minimum temperature of 14°C (57°F), but August enjoys marginally warmer maximum temperatures, peaking at 22°C (72°F) versus 21°C (70°F) in July. Precipitation is more pronounced in August, with 50 mm (2.0 in) recorded over 9 days, compared to July's 37 mm (1.5 in) over 7 days. Additionally, humidity levels rise in August to 71%, up from July's 63%. For more detailed insights, visit Castel weather in August.
In July, the weather typically features a minimum temperature of 14°C (57°F) and an average high of 21°C (70°F), with relatively low humidity at 63%. There is an average of 37 mm (1.5 in) of precipitation over about 7 days. In contrast, September sees a slightly cooler minimum temperature of 12°C (54°F) and a similar maximum temperature of 21°C (71°F). However, it experiences increased humidity at 76% and higher precipitation of 63 mm (2.5 in) over 9 days. For more detailed information, you can check Castel weather in September.
July and October showcase distinct differences in weather patterns. In July, temperatures range from a minimum of 14°C (57°F) to a maximum of 21°C (70°F), accompanied by a relatively low precipitation level of 37 mm (1.5 in) over just 7 days, making it a moderately humid month with 63% humidity. In contrast, October experiences cooler temperatures, with a minimum of 9°C (48°F) and an average of 15°C (59°F), while reaching a maximum of 20°C (68°F). The month sees significantly more rainfall, totaling 144 mm (5.7 in) over 17 days, and higher humidity at 89%. For detailed information about October weather, check this link: Castel weather in October.
July and November exhibit notable differences in weather patterns. In July, temperatures are generally warmer, with averages around 16°C (62°F) and a maximum reaching 21°C (70°F), while humidity sits at a moderate 63%. Precipitation is relatively low, with 37 mm (1.5 in) over about 7 days. In contrast, November brings cooler temperatures, with averages dipping to 12°C (54°F) and a high of 17°C (63°F). This month also sees significantly more rainfall, totaling 126 mm (5.0 in) across 18 days, coupled with a higher humidity of 90%. For more details about the weather in November, you can visit Castel weather in November.
July and December weather present a striking contrast. In July, temperatures are milder, with a minimum of 14°C (57°F) and an average around 16°C (62°F), peaking at 21°C (70°F). The month sees relatively low precipitation, totaling 37 mm (1.5 in) over 7 days, and humidity levels sit around 63%. In contrast, December is much cooler, with temperatures dropping to a minimum of 5°C (41°F) and an average of 11°C (51°F), maxing out at only 14°C (58°F). This month is significantly wetter, with 163 mm (6.4 in) of precipitation over 21 days and higher humidity at 90%. For more details, you can visit Castel weather in December.
As July unfolds in Castel, the weather presents a delightful shift, offering milder temperatures compared to the chill of previous months. With an average of 16°C (62°F), this summer month invites residents and visitors to enjoy the outdoors, although occasional rainfall—averaging 37 mm over about seven days—adds a refreshing twist to the landscape. The humidity hovers around 63%, creating a comfortable atmosphere ideal for exploring the scenic vistas. As days grow longer and warmer, Castel experiences a welcoming transformation, making July a prime time for adventure and exploration. For a deeper dive into the region's yearly patterns, check out Castel Climate.