Last updated: August 21, 2025
June in Castel, Guernsey, presents a delightful blend of mild temperatures and refreshing coastal vibes. With a maximum temperature reaching 19°C (67°F) and an average of 14°C (58°F), the month offers a comfortable climate for outdoor activities. However, one can expect a touch of rain, as the area experiences 59 mm (2.3 in) of precipitation over approximately 8 days, contributing to a humidity level of 77%. This combination of warmth and moisture nurtures lush landscapes, making June a vibrant time to enjoy the natural beauty of Castel.
As June unfolds in Castel, Guernsey, temperatures begin to warm noticeably, marking a delightful transition into summer. With nighttime lows resting at a comfortable 11°C (53°F) and daytime highs peaking at 19°C (67°F), the month boasts an average temperature of 14°C (58°F). This substantial increase from earlier months, where June's lows are significantly higher than January's frigid lows of 3°C (37°F), signals the sunny days ahead. As the warmth envelops the island, outdoor activities become more appealing, setting the stage for a vibrant summer atmosphere infused with gentle breezes and the soothing sounds of nature.
In June, Castel, Guernsey experiences a modest precipitation total of 59 mm (2.3 in) spread across 8 days of rain. This marks a slight uptick from May's 55 mm (2.2 in) but remains significantly lower than the heavier rains observed earlier in the year, particularly in January and October, which often see over 90 mm. As spring transitions into summer, the rainfall patterns reflect a trend towards drier and more stable weather conditions, setting the stage for the warmer months ahead. While June's precipitation is relatively light, it serves to sustain the lush greenery of the island, keeping Castel vibrant as it moves into summer.
June in Castel, Guernsey signals a shift toward warmer, drier weather, as humidity drops to 77%, the lowest level of the year so far. Following a gradual decline from 89% in January to 81% in May, this month marks the beginning of a more comfortable summer climate. In contrast to the higher humidity experienced in the earlier months, particularly during the winter, June's relatively lower humidity levels provide a refreshing respite, paving the way for July's further decline to 63%. This trend highlights a typical coastal pattern in the region, where the summer months offer a more pleasant and enjoyable atmosphere.
As summer approaches, June in Castel, Guernsey brings a significant rise in the UV Index, reaching an impressive score of 9, categorized as very high. This increase marks a notable trend from previous months, with the burn time plummeting to just 15 minutes, making sun protection essential. Following a steady climb from the low exposure levels of winter, this month emphasizes the need for vigilance against potential skin damage. With July also forecasted to maintain a very high index of 8, residents and visitors alike should prepare for heightened sun exposure through careful planning and sun safety measures. For more detailed information on UV levels throughout the year, visit Castel UV Index.
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As June arrives in Castel, Guernsey, the sunshine truly reaches its zenith with 416 hours of glorious daylight, adding to the island's vibrant charm. This month stands out as a natural progression from the previous five months, where a consistent upward trend in sunshine hours paints a picture of increasing warmth and brightness. From the modest 107 hours in January to the blossoming 414 hours in May, it's clear that summer is in full swing. June’s tally not only follows suit but also sets the stage for an even sunnier July, which boasts a record 436 hours. As the sun shines brighter and longer, locals and visitors alike can bask in the beauty of longer days, making Castel a delightful summer destination.
As we transition into June in Castel, Guernsey, the likelihood of sunny weather experiences a slight dip, with a 33% chance of sunshine. This figure reflects a notable decrease from the preceding months of April and May, when sunnier days averaged at 62% and 42%, respectively. While June maintains a more favorable outlook compared to the colder winter months, such as January's mere 21%, it hints at an emerging trend where summer months like July and August promise greater sunshine—showcasing 49% and 42% chances, respectively. So, while June may not be the sunniest of the season, it still offers opportunities for pleasant weather amidst the early summer charm.
As summer approaches, June marks a delightful peak in daylight duration in Castel, Guernsey, with a generous 16 hours of sunlight illuminating the long days. This vibrant increase follows a gradual progression from 8 hours in January to 15 hours in May, showcasing the region's shift toward brighter, warmer days. In June, the daylight is not only abundant but invigorating, encouraging outdoor activities and community gatherings. However, as the calendar turns to July, daylight begins to wane ever so slightly, leading the way into the softer hues of late summer. The trend clearly illustrates the ebb and flow of sunlight throughout the year, with June standing out as a shining highlight in the annual cycle of Castel’s natural beauty.
In June, Castel, Guernsey experiences a notable decrease in wind speed, averaging just 4.6 m/s (10 mph), making it one of the calmest months of the year. This shift from the brisk winds of late spring is part of a broader trend, as the region sees relatively lower winds during the summer months. Following May's average of 8.2 m/s (18 mph), June's gentle breezes set the stage for a more tranquil island atmosphere, perfect for enjoying the scenic beauty and outdoor activities. As the summer unfolds, wind speeds gradually rise again in July and August, but June’s stillness offers a unique charm that distinguishes this month on the captivating island of Guernsey.
Weather in Castel varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Castel, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present distinctly different weather patterns. In June, temperatures range from a minimum of 11°C (53°F) to a maximum of 19°C (67°F), with an average of 14°C (58°F). This month sees moderate precipitation of 59 mm (2.3 in) spread over about 8 rainy days, accompanied by a humidity level of 77%. In contrast, January is much cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F) and an average of 9°C (49°F). This winter month experiences higher precipitation of 94 mm (3.7 in) over 14 days, resulting in a humidity level of 89%. For more details on January weather, you can check Castel weather in January.
When comparing the weather in June and February, notable differences emerge. June experiences milder temperatures, with averages ranging from a minimum of 11°C (53°F) to a maximum of 19°C (67°F), compared to February's colder range of 0°C (33°F) to 13°C (56°F). Additionally, June has lower precipitation levels, totaling 59 mm (2.3 in) over 8 days, while February sees higher rainfall of 86 mm (3.4 in) across 16 days. Humidity levels are slightly lower in June at 77%, compared to a higher 88% in February, making June feel more comfortable than the damp chill of mid-winter. For more detailed insights, you can explore Castel weather in February.
When comparing the weather in June and March, June generally offers milder temperatures, with an average of 14°C (58°F) compared to March's cooler average of 9°C (49°F). The maximum temperature in June reaches up to 19°C (67°F), while March peaks at 13°C (55°F). However, March experiences more precipitation, totaling 73 mm (2.9 in) over 15 days, compared to June's 59 mm (2.3 in) over 8 days. Additionally, humidity levels are slightly higher in March at 85%, compared to 77% in June. For a closer look at March's weather specifics, visit Castel weather in March.
In comparing the weather between April and June, it is clear that June experiences milder temperatures, with average highs reaching 19°C (67°F) compared to April's maximum of 15°C (59°F). Additionally, the minimum temperature in June is noticeably higher at 11°C (53°F) versus April's 5°C (41°F). Precipitation is more prevalent in June, accumulating to 59 mm (2.3 in) over 8 days, while April sees a lesser total of 34 mm (1.3 in) with the same number of rainy days. Despite this, April tends to have slightly higher humidity levels at 84%, compared to June's 77%. For more detailed insights on April's weather, you can refer to Castel weather in April.
In comparing the weather of June and May, June generally offers slightly warmer temperatures. The average temperature in June is around 14°C (58°F), with a minimum of 11°C (53°F) and a maximum of 19°C (67°F), compared to May's average of 12°C (54°F), with a minimum of 7°C (45°F) and a maximum of 18°C (65°F). Additionally, both months experience similar levels of precipitation, with June receiving 59 mm (2.3 in) and May slightly less at 55 mm (2.2 in), both over eight days. Humidity in June stands at 77%, slightly lower than the 81% recorded in May. For more details on May's weather, you can check Castel weather in May.
June and July exhibit noticeable differences in weather patterns. In June, temperatures range from a minimum of 11°C (53°F) to a maximum of 19°C (67°F), with an average of 14°C (58°F), accompanied by relatively high humidity at 77%. The month also sees greater precipitation, totaling 59 mm (2.3 in) over 8 days. In contrast, July experiences warmer temperatures, with a minimum of 14°C (57°F), an average of 16°C (62°F), and a maximum of 21°C (70°F). Precipitation decreases to 37 mm (1.5 in) across 7 days, and humidity drops to a more comfortable 63%. For more detailed insights into July weather, you can check Castel weather in July.
June and August present a noticeable difference in weather conditions. In June, temperatures range from a minimum of 11°C (53°F) to a maximum of 19°C (67°F), with an average of 14°C (58°F). The month experiences higher humidity at 77%, alongside a total precipitation of 59 mm (2.3 in) over 8 rainy days. 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). While precipitation is slightly less at 50 mm (2.0 in) over 9 days, humidity drops to 71%. For a closer look at the weather patterns in August, you can check Castel weather in August.
In comparing the weather between June and September, June tends to be slightly cooler, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 19°C (67°F). In contrast, September enjoys warmer conditions, with temperatures ranging from 12°C (54°F) to 21°C (71°F). Both months experience similar levels of precipitation, with June totaling 59 mm (2.3 in) over about 8 days and September slightly higher with 63 mm (2.5 in) across 9 days. Humidity levels are quite comparable, hovering around 77% in June and 76% in September. For a closer look at September's weather specifics, you can check out Castel weather in September.
June and October present distinct weather patterns. In June, the temperatures range from a minimum of 11°C (53°F) to a maximum of 19°C (67°F), with an average of 14°C (58°F). This month sees moderate precipitation of 59 mm (2.3 in) over about 8 days, accompanied by a humidity level of 77%. In contrast, October experiences slightly cooler temperatures, with a minimum of 9°C (48°F), an average of 15°C (59°F), and a maximum of 20°C (68°F). However, it is notably wetter, with significant precipitation measuring 144 mm (5.7 in) spread over 17 days, and higher humidity at 89%. For a detailed look at the weather specifics during this month, check out Castel weather in October.
In comparing the weather between June and November, June typically showcases milder temperatures, with averages ranging between 11°C (53°F) to 19°C (67°F) and a moderate 59 mm (2.3 in) of precipitation over about 8 days. Conversely, November sees cooler conditions, with temperatures dropping to a minimum of 6°C (43°F) and averaging 12°C (54°F), while experiencing significantly higher rainfall at 126 mm (5.0 in) across 18 days, contributing to a higher humidity level of 90%. For a more detailed look into the weather patterns of November, you can explore Castel weather in November.
In comparing the weather between June and December, notable differences emerge. June offers milder temperatures, with averages around 14°C (58°F) and maximums reaching 19°C (67°F), accompanied by relatively low precipitation of 59 mm (2.3 in) over about 8 days and a humidity level of 77%. In contrast, December experiences cooler temperatures, with an average of 11°C (51°F) and maximums only peaking at 14°C (58°F). The month also sees a significant increase in precipitation, totaling 163 mm (6.4 in) over approximately 21 days, and higher humidity at 90%. For more detailed information on December weather, you can visit Castel weather in December.
June in Castel ushers in a pleasant shift from the cooler spring months, offering mild temperatures that invite outdoor exploration. With an average temperature of 14°C (58°F), the warmth provides a delightful backdrop for enjoying local scenery. While precipitation is moderate, with about 8 rainy days contributing 59 mm over the month, this humidity level at 77% ensures lush landscapes and vibrant greenery. As summer approaches, June stands out with its unique blend of warmth and moisture, making it a refreshing transition to the sun-filled days ahead. For a more detailed look at the annual weather patterns, visit Castel Climate.