June Weather in Castlerock, United Kingdom

Last updated: March 17, 2025

June in Castlerock, United Kingdom, presents a blend of mild temperatures and frequent rainfall, creating a quintessentially British summer atmosphere. With a maximum temperature reaching 17°C (62°F) and a comfortable average of 12°C (54°F), residents and visitors can enjoy cool, pleasant days. However, the minimum temperature drops to 8°C (47°F), reminding us that warmer layers may still be needed. Rainfall is a significant feature this month, with a total precipitation of 105 mm (4.1 in) across 17 rainy days, contributing to a high humidity level of 84%. As such, June in Castlerock is marked by its lush greenery, ideal for those who relish the charm of a temperate oceanic climate.

June Temperature in Castlerock

In June, Castlerock, United Kingdom, begins to embrace the warmth of summer, marked by a minimum temperature of 8°C (47°F) and a pleasant average of 12°C (54°F). With maximum temperatures reaching 17°C (62°F), the month signals a notable increase from the chill of earlier months. Compared to the spring, where temperatures hover around 5-10°C (41-50°F), June offers a refreshing change, inviting outdoor activities and beach strolls. This upward trend in temperatures not only enhances the natural beauty of the area but also creates a lively atmosphere, making it an ideal time for visitors to explore and experience all that Castlerock has to offer.

June Weather in Castlerock: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Castlerock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454444465054575856534946
Data source: Temperature data for Castlerock generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Castlerock

In June, Castlerock experiences a significant amount of precipitation, totaling 105 mm (4.1 in) over 17 days. This marks a slight decrease from the rainier months preceding it, yet it contributes to a vibrant green landscape typical of early summer. Interestingly, June's rainfall aligns with the average for the early part of the year, maintaining a steady flow of moisture without reaching the peak levels seen in the following months of July and August. As the summer progresses, it becomes clear that while June offers a balance, the subsequent months will bring an increase in both intensity and frequency of rain, as the region prepares for its wetter spell.

June Precipitation Trends in Castlerock

The chart displays monthly precipitation patterns in Castlerock, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1091321125573105110146117161156166
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Castlerock

In June, Castlerock, United Kingdom, experiences a comfortable humidity level of 84%, offering a brief respite from the slightly higher figures seen in the earlier months. This dip marks a continuation of the trend from May, where humidity eased to 82%, the lowest point of the year. As summer approaches, the humidity begins to rise again, with July and August both reflecting a return to 86%, characteristic of the region's maritime climate. Overall, June stands out as a transitional month, hinting at the warmth of summer while still retaining a touch of the softness inherent to late spring.

June Average Humidity in Castlerock

This chart illustrates the average monthly humidity levels in Castlerock, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Castlerock

In June, Castlerock experiences a notable surge in UV exposure, with the UV Index peaking at 8, categorizing it as very high. This represents a marked increase from the previous months, where May's UV Index was 6 and categorized as high. As summer approaches, residents and visitors need to be especially vigilant, as the burn time drops dramatically to just 15 minutes—a stark contrast to the 45 minutes in January and February. This trend showcases the importance of sun safety during this peak period. To learn more about the UV Index throughout the year, visit Castlerock UV Index.

Maximum UV Index Levels in Castlerock for June

The chart shows the monthly maximum UV Index (UVI) for Castlerock 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Castlerock 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 Castlerock

In Castlerock, United Kingdom, June shines brightly with 389 hours of sunshine, making it a delightful time to bask in the warmth. Following the vibrant months of April and May, which collectively usher in over 700 hours of luminous days, June continues to deliver ample sunlight, although slightly less than July's peak. As summer blooms, the sunny days of June invite locals and visitors alike to revel in the picturesque coastal scenery. This trend highlights a seasonal crescendo that keeps the region alive with outdoor activities and sun-soaked adventures, before gradually yielding to the softer autumn light. As the year progresses, the sunshine hours dwindle, leading to the more subdued months of October and November, where daylight becomes a cherished rarity.

Monthly Sunshine Duration in Castlerock: June Highlighted

The June sunshine duration represents the total number of hours Castlerock 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.
JanFebMarAprMayJunJulAugSepOctNovDec72h146h207h319h405h389h404h357h283h224h117h81h
Data source: Castlerock June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castlerock During June

In Castlerock, United Kingdom, the likelihood of sunny weather in June is somewhat modest, with only a 22% chance of sunshine. This is a continuation of a trend observed from the earlier months of the year, where April shows a peak at 43%, giving way to May's 36%, before dipping again in June. Interestingly, although June presents a slight decrease in sunny days compared to its immediate predecessor, it remains relatively stable when compared to the sunnier months of July and August, both hovering around the 24% and 19% marks, respectively. Thus, while June may not boast an abundance of sun, it holds a steady place in a generally fluctuating pattern of weather, hinting at what the summer might bring.

Percentage of Sunny Days in June in Castlerock

The chart illustrates the percentage of sunny days in Castlerock 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 Castlerock experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%25%15%43%36%22%24%20%23%16%16%14%
Data source: Castlerock June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castlerock in June

In June, Castlerock, United Kingdom, basks in an impressive 17 hours of daylight, making it the longest day of the year. This surge in sunlight follows the gradual increase from 7 hours in January through to 16 hours in May, showcasing a steady ascent of daylight duration as spring unfolds. As the days lengthen, the vibrant landscapes are not only brighter but also more inviting. Following June, daylight begins its slow descent, tapering off to 16 hours in July and further declining to 14 hours in August. This remarkable shift highlights the seasonal rhythm in Castlerock, where the transition from the abundance of summer light back to the more subdued days of autumn offers a captivating contrast throughout the year.

Average Daylight Hours in Castlerock for June

The chart illustrates the variation in daylight duration in Castlerock throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 49m9h 40m11h 53m14h 10m16h 11m17h 17m16h 41m14h 51m12h 39m10h 24m8h 21m7h 13m
Data source: Castlerock daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Castlerock

In June in Castlerock, the wind takes on a gentler demeanor, with an average speed of 5.7 m/s (13 mph). This marks a noticeable dip from the breezier months of February and November, where gusts peak at 10.5 m/s (23 mph) and 9.3 m/s (21 mph), respectively. As summer approaches, winds soften, contributing to a more tranquil atmosphere ideal for outdoor activities. Interestingly, May and April both exhibit moderate winds, which herald the arrival of summer but are still stronger than those experienced in June. This trend of decreasing wind speeds signifies a shift towards the calmness of the warmer months, making June a perfect time for enjoying the scenic coastal beauty of Castlerock.

Average June Wind Speed in Castlerock

The chart displays monthly wind speed patterns in Castlerock, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.810.57.55.96.25.7 m/s3.84.55.57.79.38.3
Data source: Castlerock June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Castlerock Compares to Other Months

The weather in Castlerock changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Castlerock and find detailed weather information for every month.

June and January present quite contrasting weather conditions. In June, temperatures range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), with an average temperature of 12°C (54°F). The month experiences 105 mm (4.1 in) of precipitation over 17 days, and humidity levels sit at 84%. In comparison, January is cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (56°F), averaging 7°C (45°F). Although January sees slightly more precipitation at 109 mm (4.3 in) also spread over 17 days, the humidity is marginally higher at 87%. For more details, check out Castlerock weather in January.

June and February present notably different weather patterns. In June, temperatures range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), with an average of 12°C (54°F). This month experiences about 105 mm (4.1 in) of precipitation over 17 days and maintains a relatively high humidity level of 84%. In contrast, February tends to be cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 12°C (54°F) and an average of 7°C (44°F). February also sees slightly more precipitation at 132 mm (5.2 in) across 18 days and slightly higher humidity at 86%. The difference in temperatures and precipitation highlights the transition from winter to early summer. For more detailed insights into February's weather, you can visit Castlerock weather in February.

In comparing the weather of June and March, it's clear that June generally offers milder temperatures, with a minimum of 8°C (47°F) and an average of 12°C (54°F), peaking at 17°C (62°F). In contrast, March is much cooler, starting at a minimum of -1°C (31°F) and averaging 7°C (45°F), with a maximum that only reaches 12°C (54°F). Precipitation levels are quite similar, with June experiencing 105 mm (4.1 in) across 17 days and March slightly higher at 112 mm (4.4 in) over 18 days. Humidity is also comparable, with June at 84% and March slightly higher at 86%. For more details on March weather, you can visit Castlerock weather in March.

In comparing the weather between April and June, June tends to be warmer and wetter. In April, temperatures range from a minimum of 2°C (36°F) to an average of 8°C (47°F) and a maximum of 13°C (56°F), with total precipitation of 55 mm (2.2 in) spread over 12 days. On the other hand, June sees a milder temperature range, with minimums around 8°C (47°F), an average of 12°C (54°F), and maximums reaching 17°C (62°F). Additionally, June experiences more rainfall, totaling 105 mm (4.1 in) across 17 days, while maintaining a similar humidity level of 84%. For more detailed information, you can check Castlerock weather in April.

In comparing the weather of June and May, June experiences slightly warmer temperatures with an average of 12°C (54°F) and a maximum of 17°C (62°F), compared to May’s average of 10°C (50°F) and maximum of 16°C (61°F). June also sees increased precipitation, with 105 mm (4.1 in) over 17 days, while May has 72 mm (2.9 in) across 13 days. Both months have high humidity levels, with June slightly higher at 84% compared to May's 82%. For more detailed weather information about May, you can visit Castlerock weather in May.

June and July present noticeable differences in weather patterns. In June, the temperatures range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), averaging around 12°C (54°F). Precipitation is quite significant, with 105 mm (4.1 in) falling over 17 days, and humidity levels are relatively high at 84%. In contrast, July experiences slightly warmer conditions, with a minimum temperature of 11°C (52°F) and a maximum of 19°C (67°F), averaging 14°C (57°F). Precipitation increases marginally to 110 mm (4.3 in), also spread over 17 days, and humidity rises to 86%. For a detailed look at July weather in Castlerock, you can visit Castlerock weather in July.

In June, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), averaging around 12°C (54°F). This month experiences significant precipitation, with 105 mm (4.1 in) over 17 days and a humidity level of 84%. In contrast, August sees slightly warmer temperatures, with a minimum of 11°C (52°F), an average of 14°C (58°F), and a maximum of 18°C (66°F). However, it also comes with increased rainfall, totaling 146 mm (5.7 in) over 20 days, and a marginally higher humidity of 86%. For more detailed information on August weather, you can check Castlerock weather in August.

When comparing the weather in June and September, both months feature similar maximum temperatures, with June averaging at 17°C (62°F) and September slightly higher at 17°C (64°F). However, June has a lower average temperature of 12°C (54°F) compared to September's 14°C (57°F). Both months experience substantial rainfall, but September sees slightly more, with 117 mm (4.6 in) over 20 days, in contrast to June's 105 mm (4.1 in) over 17 days. Additionally, humidity levels are higher in September at 88%, compared to 84% in June. For more detailed information, you can check Castlerock weather in September.

In June, the weather generally showcases milder temperatures, with a minimum of 8°C (47°F) and an average of 12°C (54°F), peaking at a maximum of 17°C (62°F). The month sees considerable rainfall, averaging 105 mm (4.1 in) over 17 rainy days, while humidity remains relatively high at 84%. In contrast, October experiences slightly cooler conditions, with minimum temperatures dropping to 5°C (42°F) and an average temperature of 12°C (53°F), reaching a maximum of 16°C (62°F). This month is notably wetter, with precipitation reaching 161 mm (6.3 in) over 24 days and humidity increasing to 89%. For more specific insights about October weather in Castlerock, you can check Castlerock weather in October.

June and November present distinct weather patterns, reflecting the transition from spring to winter. In June, temperatures range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), with an average of 12°C (54°F). The month experiences moderate rainfall, with about 105 mm (4.1 in) over 17 days and humidity at 84%. In contrast, November sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 14°C (58°F), and an average temperature of 9°C (49°F). It is also wetter, with precipitation reaching 156 mm (6.2 in) across 23 days and humidity increasing to 90%. For more details on November weather, you can visit Castlerock weather in November.

June and December present contrasting weather patterns. In June, temperatures range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), with an average of 12°C (54°F). This month experiences a total precipitation of 105 mm (4.1 in) over about 17 days, alongside relatively high humidity at 84%. Conversely, December is chillier, with minimum temperatures dropping to 2°C (35°F) and a maximum of 12°C (54°F), resulting in an average temperature of 8°C (46°F). The month is wetter, with 166 mm (6.5 in) of precipitation over 23 days, and humidity remains slightly higher at 86%. For more details on weather conditions, you can refer to Castlerock weather in December.

Compare Castlerock's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Castlerock

As the calendar turns to June, Castlerock experiences a notable shift in weather patterns. With comfortable average temperatures hovering around 12°C (54°F) and maximums reaching a pleasant 17°C (62°F), this month marks the onset of warmer summer days. However, the increased humidity at 84% and persistent rainfall—spanning 17 days with a total precipitation of 105 mm (4.1 in)—adds a refreshing twist to the air, setting it apart from the more stable conditions of the previous months. Overall, June in Castlerock invites a tapestry of balmy days punctuated by showers, perfect for those who appreciate the lush, vibrant landscapes that emerge from such moisture. For more detailed insights, visit Castlerock Climate.