Last updated: August 21, 2025
April in Saint Helier, Jersey brings a refreshing average temperature of 10°C (51°F), with daily highs reaching up to 17°C (62°F) and chilling lows of 5°C (41°F). As spring unfolds, residents and visitors can expect a moderate precipitation level of 36 mm (1.4 in) over 8 rainy days, contributing to the island's lush greenery. With an average humidity of 84%, the air carries a crispness that invigorates the senses, making it a beautiful time to explore outdoor activities amidst picturesque landscapes.
As April arrives in Saint Helier, Jersey, it ushers in a noticeable warming trend, with temperatures gradually climbing after the chill of winter. The month starts with a minimum of 5°C (41°F) and peaks at a delightful 17°C (62°F), offering a refreshing break from the preceding months. The average temperature for April settles around 10°C (51°F), marking a significant shift from the frigid conditions of January through March, where temperatures frequently dipped below freezing. This rise not only invites locals and visitors to enjoy more outdoor activities but also hints at the blossoming spring season, as the island transforms into a vibrant tapestry of color. As the days lengthen and warmth becomes more prevalent, April in Saint Helier serves as a lively prelude to the forthcoming summer months.
In April, Saint Helier, Jersey experiences a noticeable drop in precipitation, receiving just 36 mm (1.4 in) over 8 days, marking it as one of the driest months of the year. This significant decrease in rainfall follows a series of wetter months, as seen in January and February, which each had over 90 mm of precipitation. The trend towards drier conditions in April offers a refreshing contrast to the preceding months, showcasing a gradual transition to the spring season. As the days become sunnier, this brief respite from the rain sets the stage for the more varied and moderately wet conditions that return in May and June.
In April, humidity in Saint Helier, Jersey typically hovers around 84%, marking a gradual decline from the winter months. This trend showcases a notable decrease from 90% in January and 89% in February, as the island transitions into spring. As temperatures rise towards summer, humidity continues to drop, reaching 80% by May and June. This pattern reflects a seasonal shift, where the dampness of the colder months gives way to a more temperate climate, creating a refreshing atmosphere perfect for enjoying the blossoming scenery. With humidity further decreasing to 69% in July, residents and visitors can look forward to pleasantly dry days ahead, though humidity starts to climb again in late summer and autumn.
As spring unfolds in April, the UV Index in Saint Helier, Jersey reaches a notable 6, placing it in the high exposure category. This marks a clear upward trend from the previous months, where the UV levels were lower, with January at a mere 2 and gradually increasing to 4 by March. As the days grow longer and sunnier, residents and visitors should be mindful of the reduced burn time of just 25 minutes at this higher UV level. This shift serves as a reminder that while outdoor activities become more appealing, protective measures against sun exposure are essential. Anticipating the even more intense UV levels in May, understanding and monitoring the UV Index is crucial for safety and enjoyment. For more details, explore the comprehensive guide on the Saint Helier UV Index.
UV Risk Categories
As the days lengthen and spring unfolds, April brings a radiant surge of sunshine to Saint Helier, with an impressive 356 hours of sun. This notable increase from March's 239 hours signals the arrival of warmer days, inviting residents and visitors alike to bask in the blossoming beauty of the island. Following the momentum of April, May continues the trend, boasting an even brighter 412 hours of daylight, further cementing this period as a vibrant time for outdoor activities and exploration. The gradual progression of sunshine into the summer months paints a clear picture of the island's shifting climate, where each subsequent month offers a promise of more sun, culminating in July's peak of 432 hours. This seasonal transformation not only enhances the picturesque landscape but also elevates the spirit of the community, making April a truly enchanting time in Jersey.
As spring unfolds in Saint Helier, Jersey, the likelihood of sunny weather in April sees a significant upswing, reaching an impressive 64%. This marks a noticeable shift from the previous months, particularly when compared to the chilly start of the year—January's mere 20% chance of sunshine gradually rises through February and March. The leap to April not only signifies a departure from winter’s gloom, but also sets the tone for the approaching summer, as the chances of sunny days in May decline to 41%. This trend highlights April as a beacon of brightness, where residents and visitors alike can relish in the vibrant warmth of spring, making it an ideal time to explore the beauty of Jersey's coastal charm.
April brings a noticeable shift in daylight hours in Saint Helier, Jersey, with an average of 13 hours of sunlight illuminating the days. This increase marks a significant leap from 11 hours in March, signaling the arrival of spring’s vibrancy. As the days grow longer, one can feel the energy rising, paving the way for even more sunlight in May, which boasts 15 hours of daylight. This upward trend continues until June peaks at 16 hours, creating a stark contrast to the shorter winter months, where daylight was limited to just 8 hours in January and December. Overall, April embodies the transition towards longer, brighter days, a refreshing reminder of nature's rebirth and the approach of summer.
In April, Saint Helier experiences a gentle transition in its wind conditions, with an average wind speed of 6.3 m/s (14 mph), marking a noticeable dip from the more blustery months of winter. As spring unfolds, the winds become milder compared to the 8.2 m/s (18 mph) of February and 7.0 m/s (16 mph) in March, creating a serene atmosphere perfect for outdoor activities. Interestingly, this pattern of decreasing wind speed continues into early summer, with June recording an even lighter breeze of 4.4 m/s (10 mph). This trend not only highlights April as a month of calm before the summer breezes pick up again but also enhances the charm of springtime in Jersey, where the winds whisper rather than roar.
Weather in Saint Helier varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Saint Helier, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April and January, notable differences emerge. April tends to be warmer, with average temperatures reaching 10°C (51°F) and highs of 17°C (62°F), while January stays cooler, averaging 8°C (47°F) with a maximum of only 13°C (56°F). Additionally, April experiences significantly less rainfall, with only 36 mm (1.4 in) over 8 days, compared to January’s 97 mm (3.8 in) across 14 days, leading to higher humidity levels of 84% in April versus 90% in January. For more detailed information about January weather specifically, refer to Saint Helier weather in January.
When comparing the weather in April and February, it’s clear that April brings a noticeable warmth with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (62°F), averaging around 10°C (51°F). In contrast, February is cooler, with temperatures dipping to a minimum of -1°C (31°F) and peaking at around 13°C (56°F), averaging 8°C (47°F). Additionally, while April experiences less precipitation at 36 mm (1.4 in) over 8 days, February is quite wet, receiving 90 mm (3.5 in) across 16 days. Humidity levels are similar in both months, with April at 84% and February slightly higher at 89%. For more detailed weather insights, visit Saint Helier weather in February.
In comparing the weather patterns of April and March, April generally experiences milder temperatures, with a minimum of 5°C and a maximum of 17°C, as opposed to March, which sees a colder minimum of -2°C and a slightly lower maximum of 14°C. The average temperature in March is also a bit lower at 9°C, compared to 10°C in April. Precipitation is notably reduced in April, with only 36 mm falling over 8 days, while March is much wetter, recording 84 mm over 15 days. Humidity levels are similarly high in both months, though March holds a slight edge at 86% compared to April’s 84%. For more detailed insights into March weather specifics, check out this link: Saint Helier weather in March.
April's weather features cooler temperatures with a minimum of 5°C (41°F) and an average of 10°C (51°F), peaking at 17°C (62°F). The month experiences 36 mm (1.4 in) of precipitation, spread over 8 days, contributing to a relatively high humidity level of 84%. In contrast, May brings warmer temperatures, starting at a minimum of 7°C (46°F) and averaging 13°C (55°F), with a maximum reaching 20°C (69°F). However, May sees increased precipitation at 63 mm (2.5 in) over 10 days and slightly lower humidity at 80%. For more detailed weather information, you can check Saint Helier weather in May.
In comparing the weather between April and June, April tends to be cooler with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (62°F). In contrast, June experiences warmer conditions, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 24°C (76°F). Additionally, April sees less rainfall, with 36 mm (1.4 in) over 8 days, whereas June has increased precipitation at 71 mm (2.8 in) spread over 10 days. Despite this, June maintains a slightly lower humidity level at 80% compared to April's 84%. For more details on June's weather specifics, check out Saint Helier weather in June.
April and July present contrasting weather conditions, with April experiencing cooler temperatures and higher humidity. In April, the minimum temperature hovers around 5°C (41°F) and the average reaches 10°C (51°F), with a maximum of 17°C (62°F). Additionally, this month sees around 36 mm (1.4 in) of precipitation over approximately 8 days, accompanied by a high humidity level of 84%. In contrast, July offers significantly warmer weather, with minimum temperatures starting at 14°C (58°F), an average of 17°C (63°F), and a maximum that can climb to 27°C (80°F). Although July receives slightly more rainfall at 47 mm (1.9 in) over 9 days, the humidity is lower at 69%. For a detailed look at the weather in July, you can visit Saint Helier weather in July.
April and August present a striking contrast in weather conditions. In April, temperatures range from a chilly 5°C (41°F) at night to a mild 17°C (62°F) during the day, with an average of 10°C (51°F). The month experiences 36 mm (1.4 in) of precipitation over approximately 8 days, accompanied by high humidity levels of 84%. In contrast, August enjoys warmer temperatures, with lows of 14°C (57°F) and highs reaching 25°C (78°F), averaging around 18°C (64°F). This month tends to be wetter too, with 66 mm (2.6 in) of rain spread over 13 days, but the humidity is slightly lower at 73%. For more detailed insights into the weather patterns, check out Saint Helier weather in August.
April and September present contrasting weather experiences. In April, temperatures range from a chilly 5°C (41°F) to a mild 17°C (62°F), with an average of 10°C (51°F). The month is relatively damp, receiving about 36 mm (1.4 inches) of precipitation over 8 days, and it tends to be quite humid at 84%. In comparison, September offers warmer conditions with a minimum temperature of 12°C (54°F) and a maximum of 23°C (75°F), averaging 17°C (63°F). However, it also brings more rainfall, totaling 82 mm (3.2 inches) across 11 days, and slightly lower humidity at 79%. For more specifics on September weather, check out Saint Helier weather in September.
April and October present distinct differences in weather patterns. In April, temperatures range from a chilly minimum of 5°C (41°F) to a pleasant maximum of 17°C (62°F), with an average of 10°C (51°F). The month experiences about 36 mm (1.4 in) of precipitation over approximately 8 days, accompanied by a humidity level of 84%. In contrast, October sees a milder climate with temperatures fluctuating from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), averaging 15°C (59°F). However, this month is notably wetter, receiving 157 mm (6.2 in) of rainfall spread over 19 days, with humidity slightly higher at 89%. For a closer look at October weather specifically, you can check out Saint Helier weather in October.
April and November present a transition in weather patterns, with both months sharing similar maximum temperatures, peaking at 17°C (62°F). However, April tends to be milder, averaging 10°C (51°F) and experiencing less precipitation at 36 mm (1.4 in) over 8 days. In contrast, November sees a slight increase in the average temperature to 12°C (53°F) but is marked by significantly heavier rainfall totaling 125 mm (4.9 in) over 18 days. This increase in precipitation and humidity, which rises to 92% in November compared to 84% in April, contributes to a much more overcast and damp atmosphere. For more insights on November weather, you can explore Saint Helier weather in November.
April and December exhibit distinct differences in weather patterns. In April, temperatures range from a minimum of 5°C (41°F) to a maximum of 17°C (62°F), with an average of 10°C (51°F). The month sees relatively lower precipitation of 36 mm (1.4 in) over about 8 days, with humidity levels at a comfortable 84%. In contrast, December experiences slightly cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 14°C (57°F), while the average remains the same at 10°C (50°F). However, it is notably wetter, receiving 185 mm (7.3 in) of precipitation over 22 days and higher humidity at 92%. For more detailed insights, check Saint Helier weather in December.
As April unfolds in Saint Helier, temperatures begin to rise, offering a refreshing contrast to the cooler months preceding it. With an average temperature around 10°C (51°F), the weather is mild, drawing residents and visitors alike to enjoy the blooming beauty of spring. Though occasional rain is expected—about 8 days will see precipitation—the overall ambiance is invigorating, with humidity levels hovering around 84%. This month's weather sets the stage for a shift from the chill of winter, encouraging outdoor activities and exploration of the island's charm. For more insights on what to expect throughout the year, check the full details at Saint Helier Climate.