June Weather in Saint Helier, Jersey

Last updated: August 21, 2025

Experience the charm of Saint Helier in June, where summer begins to unfold with maximum temperatures reaching 24°C (76°F) and a pleasant average of 15°C (60°F). Though the minimum temperatures dip to 11°C (53°F), the days are generally warm and inviting. Be prepared for some occasional rainfall, as June sees about 71 mm (2.8 in) of precipitation over 10 days. With humidity levels around 80%, this coastal town offers a refreshing atmosphere perfect for leisurely strolls, beach outings, and outdoor exploration. Enjoy the vibrant sights and sounds of summer while basking in the unique beauty of Jersey!

June Temperature in Saint Helier

In June, Saint Helier, Jersey, welcomes a delightful warmth as temperatures begin to rise, showcasing the transition into summer. With minimum temperatures averaging around 11°C (53°F) and daily highs reaching up to 24°C (76°F), the month embodies a perfect blend of pleasant warmth and fresh breezes. This gradual climb from the cooler spring months creates an inviting atmosphere, making June an ideal time for outdoor activities and exploring the island's stunning coastline. As the average temperature sits comfortably at 15°C (60°F), locals and visitors alike can bask in the sun's glow, enjoying longer daylight hours that mark the start of a vibrant season.

June Weather in Saint Helier: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Saint Helier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Helier, June typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec474748505560636462595350
Data source: Temperature data for Saint Helier generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Saint Helier

In June, Saint Helier experiences a moderate precipitation total of 71 mm (2.8 in) over 10 days, making it a somewhat damp start to the summer. This amount is a slight increase from May's 63 mm (2.5 in), indicating a trend towards wetter conditions as the year progresses. While lower than the heavy rainfall in the subsequent months of October and November, June's precipitation plays a crucial role in nourishing the lush greenery that the island is known for. Overall, the consistent rain during this month sets the stage for a vibrant summer landscape, reflecting a balanced rhythm of wet and dry periods typical for Saint Helier this time of year.

June Precipitation Trends in Saint Helier

The chart displays monthly precipitation patterns in Saint Helier, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Saint Helier, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec979084366371476682157125185
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Saint Helier

In June, Saint Helier, Jersey experiences a pleasant shift in humidity, maintaining a comfortable level of 80%. This marks a significant transition from the high humidity of the winter months, where levels peak at 90% in January and 92% in November and December. As spring gives way to summer, the gradual reduction in humidity is evident, dropping from 84% in April and 80% in May. Following June, the summer months see a further decline, with July recording the lowest humidity of the year at just 69%, providing a refreshing contrast to the earlier months. This trend highlights the island’s transition into a drier and more temperate climate, perfect for enjoying the outdoors.

June Average Humidity in Saint Helier

This chart illustrates the average monthly humidity levels in Saint Helier, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Saint Helier is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Saint Helier

As summer approaches, the UV Index in Saint Helier, Jersey dramatically escalates, with June marking a notable spike to 9, placing it in the very high exposure category. This significant increase from April's 6 and May's 7 underscores the importance of sun safety, as the time it takes to burn drops to just 15 minutes. Following June, July maintains this intense level, while August shows a slight dip to 8, yet still poses a considerable risk. This trend highlights the necessity for residents and visitors alike to stay vigilant during the peak summer months when UV exposure can quickly lead to harmful effects. For more information on UV levels and how to protect yourself, visit Saint Helier UV Index.

Maximum UV Index Levels in Saint Helier for June

The chart shows the monthly maximum UV Index (UVI) for Saint Helier in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Saint Helier typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679986421
Data source: Saint Helier June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

June Sunshine in Saint Helier

As June arrives in Saint Helier, Jersey, the island basks in a delightful 408 hours of sunshine, continuing the trend of increasing daylight that began in the early months of the year. Following a gradual ascent from 104 hours in January to a peak of 412 hours in May, June maintains the sunny momentum, just slightly trailing behind the summer months of July and August. This radiant month offers a vibrant blend of warmth and light, perfectly setting the stage for outdoor adventures and seaside enjoyment. As summer unfolds, the sunshine in June not only enhances the natural beauty of Jersey but also captivates residents and visitors alike, showcasing the island's coastal charm and inviting atmosphere.

Monthly Sunshine Duration in Saint Helier: June Highlighted

The June sunshine duration represents the total number of hours Saint Helier experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec104h166h239h356h412h408h432h392h334h270h184h132h
Data source: Saint Helier June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Helier During June

In June, the likelihood of sunny weather in Saint Helier, Jersey sees a moderate chance of 34%, a slight dip compared to the sunnier months of April and July. This pattern indicates a transition as the spring greets summer, with sunshine peeking through more frequently than in the early months of the year. Following a promising April, where the sun shines 64% of the time, June's sunlit days can feel like a delightful, albeit brief, respite amidst the fluctuating weather of late spring and early summer. As the summer unfolds, residents and visitors can expect a gradual increase in sunshine, emphasizing the importance of enjoying those sunny days while they last!

Percentage of Sunny Days in June in Saint Helier

The chart illustrates the percentage of sunny days in Saint Helier throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Saint Helier experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%30%41%64%42%34%46%41%43%36%32%25%
Data source: Saint Helier June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Helier in June

In Saint Helier, Jersey, June heralds the peak of daylight, boasting an impressive 16 hours of sunshine that invigorates both locals and visitors alike. This vibrant month stands out in stark contrast to the year's earlier months, where January starts with just 8 hours of daylight. As spring unfolds, daylight gradually increases from 10 hours in February to 15 hours in May, setting the stage for June's full embrace of the sun. Following this luminous peak, daylight begins to taper off in July and August, dipping to 15 hours and 14 hours, respectively. The gradual decline continues into the autumn, where September sees 12 hours, ultimately returning to the more subdued 9 hours in November. This rhythm of daylight in Saint Helier not only dictates daily activities but also enriches the seasonal experience, from the coziness of winter to the lively exuberance of summer.

Average Daylight Hours in Saint Helier for June

The chart illustrates the variation in daylight duration in Saint Helier throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 42m10h 8m11h 55m13h 45m15h 19m16h 8m15h 42m14h 18m12h 32m10h 43m9h 6m8h 15m
Data source: Saint Helier daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Saint Helier

In June, Saint Helier experiences a noticeable dip in wind speeds, averaging just 4.4 m/s (10 mph), making it one of the calmest months of the year. This gentle breeze contrasts sharply with the stronger winds of early spring and late autumn, where speeds reach above 7 m/s. With an increase from the quieter April winds of only 6.3 m/s (14 mph), June stands out as a serene period, providing a pleasant atmosphere for outdoor activities. As the summer season unfolds, a gradual uptick in wind speeds can be observed in July and August, yet June's tranquility often sets the perfect stage for sun-soaked gatherings along the coast. This trend indicates a seasonal shift, where warmer temperatures prevail alongside lighter winds, inviting residents and visitors alike to enjoy the charm of Jersey’s summer.

Average June Wind Speed in Saint Helier

The chart displays monthly wind speed patterns in Saint Helier, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.88.27.06.37.84.4 m/s5.86.25.67.46.78.7
Data source: Saint Helier June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Saint Helier Compares to Other Months

Weather in Saint Helier varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Saint Helier, focusing on differences in temperature, rainfall, humidity, and UV levels.

In June, the weather is significantly warmer, with average temperatures ranging from a minimum of 11°C (53°F) to a pleasant maximum of 24°C (76°F). The month typically experiences about 71 mm (2.8 in) of precipitation over approximately 10 days, along with a humidity level of 80%. In contrast, January brings much cooler temperatures, with an average ranging from 2°C (35°F) to a maximum of just 13°C (56°F). During this month, precipitation increases to 97 mm (3.8 in), spread over roughly 14 days, and humidity rises to 90%. The stark differences in temperature and humidity make June a much more inviting month compared to the colder and wetter January. For more detailed information on the January weather, visit Saint Helier weather in January.

June and February present contrasting weather conditions. In June, temperatures range from a minimum of 11°C (53°F) to a maximum of 24°C (76°F), with an average of 15°C (60°F). This month also experiences a moderate level of precipitation, totaling 71 mm (2.8 in) over approximately 10 days, and humidity levels sit around 80%. In contrast, February starts with chilly temperatures, dropping as low as -1°C (31°F) and reaching a maximum of 13°C (56°F), with an average of 8°C (47°F). This month sees even more rainfall, accumulating 90 mm (3.5 in) over 16 days, and a higher humidity level of 89%. For a detailed look at February weather, you can visit Saint Helier weather in February.

Comparing the weather in June and March reveals significant differences in temperature and precipitation patterns. June generally enjoys milder temperatures, with averages ranging from 11°C (53°F) to a maximum of 24°C (76°F), while March sees much cooler conditions, with temperatures ranging from a chilly -2°C (29°F) to a maximum of 14°C (58°F). June also experiences lower precipitation, averaging 71 mm (2.8 in) over about 10 days, compared to March, which sees higher rainfall at 84 mm (3.3 in) for around 15 days. Additionally, humidity levels are slightly lower in June at 80%, compared to 86% in March, contributing to a more comfortable feel as summer approaches. For more detailed information on March weather, you can check Saint Helier weather in March.

When comparing the weather in June and April, June typically experiences milder temperatures with a minimum of 11°C (53°F) and an average of 15°C (60°F), while April is cooler, with a lower minimum of 5°C (41°F) and an average of 10°C (51°F). Additionally, June can reach maximum temperatures of up to 24°C (76°F), significantly warmer than April's peak of 17°C (62°F). Precipitation in June is also higher, averaging 71 mm (2.8 in) over 10 days compared to April's 36 mm (1.4 in) over 8 days. However, both months boast relatively high humidity levels, with June at 80% and April slightly higher at 84%. For a closer look at the specific conditions during April, you can refer to Saint Helier weather in April.

The weather in June is generally warmer than in May, with average temperatures rising from 13°C (55°F) in May to 15°C (60°F) in June. While both months experience similar levels of humidity at 80% and precipitation occurring over 10 days, June sees slightly more rainfall, totaling 71 mm (2.8 in) compared to May's 63 mm (2.5 in). The maximum temperatures also increase, from 20°C (69°F) in May to 24°C (76°F) in June. For a detailed look at the weather in May, check out Saint Helier weather in May.

June and July show noticeable differences in weather patterns. In June, the average temperature hovers around 15°C (60°F), with a minimum of 11°C (53°F) and a maximum of 24°C (76°F). This month experiences more precipitation, totaling 71 mm (2.8 in) over 10 days, combined with high humidity at 80%. In contrast, July sees a warmer climate, with average temperatures rising to 17°C (63°F), a minimum of 14°C (58°F), and a maximum of 27°C (80°F). Precipitation decreases to 47 mm (1.9 in) spread over just 9 days, while humidity drops to a more comfortable 69%. For more details, check out the Saint Helier weather in July.

June and August in Saint Helier exhibit notable differences in weather patterns. June experiences cooler temperatures with a minimum of 11°C (53°F) and an average of 15°C (60°F), while August boasts slightly warmer temperatures, ranging from a minimum of 14°C (57°F) to an average of 18°C (64°F). Precipitation is fairly consistent, with June receiving 71 mm (2.8 in) over 10 days, compared to August's 66 mm (2.6 in) across 13 days. Additionally, humidity levels are higher in June at 80%, dropping to 73% in August, which may contribute to a more comfortable experience during late summer. For those interested in a detailed overview, you can visit Saint Helier weather in August.

In comparing the weather patterns of June and September, we find that both months experience mild temperatures with slight variations. June showcases a minimum temperature of 11°C (53°F) and an average of 15°C (60°F), peaking at 24°C (76°F), while September starts with a slightly higher minimum of 12°C (54°F) and an average temperature of 17°C (63°F), capping at 23°C (75°F). Precipitation levels also differ, with June receiving about 71 mm (2.8 in) over 10 days and September experiencing a slightly higher total of 82 mm (3.2 in) across 11 days. Additionally, humidity remains fairly consistent, with June at 80% and September at 79%. For more detailed insights into September weather, check out Saint Helier weather in September.

June and October both exhibit mild average temperatures, with June slightly warmer, enjoying a range from 11°C (53°F) to 24°C (76°F), compared to October’s range of 9°C (48°F) to 20°C (69°F). While the average temperature is similar, October experiences significantly more rainfall, with 157 mm (6.2 in) across 19 days, in contrast to June’s 71 mm (2.8 in) over just 10 days. Additionally, the humidity levels rise in October to 89%, making it feel more damp compared to June's 80%. For a detailed forecast, you can check Saint Helier weather in October.

In June, temperatures in Saint Helier range from a minimum of 11°C (53°F) to a comfortable maximum of 24°C (76°F), with an average of 15°C (60°F). The month sees approximately 71 mm (2.8 in) of precipitation over about 10 days, accompanied by humidity levels around 80%. In contrast, November brings cooler temperatures, with lows dropping to 5°C (41°F) and highs reaching only 17°C (62°F), resulting in an average of 12°C (53°F). This month experiences significantly more rainfall, totaling 125 mm (4.9 in) across 18 days, and higher humidity at 92%. For more detailed insights, check out Saint Helier weather in November.

In June, the weather in Saint Helier is notably warmer, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 24°C (76°F) and an average of 15°C (60°F). This month sees moderate rainfall, totaling about 71 mm (2.8 in) over roughly 10 days, accompanied by a relatively comfortable humidity level of 80%. In contrast, December brings much cooler conditions, with temperatures dropping to a minimum of 3°C (38°F) and peaking at just 14°C (57°F), leading to an average of 10°C (50°F). Additionally, December is much wetter, experiencing 185 mm (7.3 in) of precipitation over 22 days, and a higher humidity level of 92%. For more detailed information, you can check Saint Helier weather in December.

Compare Saint Helier's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Saint Helier

As June unfolds in Saint Helier, the weather offers a delightful transition into summer, marked by warmer temperatures and increased humidity. With highs reaching a pleasant 24°C, this month stands out as a time of sun-kissed afternoons, contrasting sharply with the cooler spring months. Despite experiencing about ten days of rain, the precipitation is less daunting than earlier in the year, allowing for ample opportunities to enjoy the great outdoors. Those looking to explore the charming island will find that the temperature and overall climate in June provide a lovely backdrop for leisurely activities. To delve deeper into what to expect throughout the year, check out Saint Helier Climate.