Last updated: March 17, 2025
June in Portstewart, United Kingdom, presents a temperate blend of weather, with maximum temperatures reaching around 17°C (62°F) and an average of 12°C (54°F). Visitors can expect a chilly minimum of 8°C (47°F), making light jackets a necessity. Rainfall is significant, with 105 mm (4.1 in) accumulating over 17 days, leading to a notably humid atmosphere, averaging 84%. This mix of mild temperatures and frequent showers offers both beauty and challenge, perfect for those who appreciate the lush landscapes typical of the region.
In June, Portstewart experiences a delightful shift in temperatures as spring transitions into summer. With minimum temperatures averaging around 8°C (47°F) and reaching a maximum of 17°C (62°F), the seaside town begins to bask in warmer days. The average temperature settles at 12°C (54°F), making it increasingly inviting for outdoor enthusiasts and beachgoers alike. Compared to the cooler months of January through May, where temperatures hover in the lower ranges, June’s mild climate heralds longer, sunnier days, offering a refreshing escape along the stunning Northern Irish coast. As the month progresses, the allure of summer beckons, presenting the perfect backdrop for exploration and relaxation.
June in Portstewart presents a notable transition in precipitation patterns, receiving 105 mm (4.1 in) of rain over 17 days. This marks a slight increase from the drier conditions of May, which saw 72 mm (2.9 in) over just 13 days. The month sits comfortably in the middle range of the year’s rainfall, just shy of the heavier deluges in July and August, where precipitation peaks significantly. This pattern hints at a seasonal shift as summer approaches, with June’s rainfall serving as a prelude to the wetter months ahead. Overall, while June remains relatively damp, it offers a refreshing respite compared to the typically rain-soaked autumn and winter months that follow.
As summer arrives in Portstewart, June brings a slight dip in humidity to 84%, a refreshing change from the higher readings earlier in the year. Following the steady decline from January's 87% to May's 82%, June marks a transitional period before humidity levels rise again during the peak of summer. This pattern of fluctuating humidity continues into July and August, where the levels return to 86%. Overall, June stands out as a brief interlude in a year characterized by consistently high humidity, especially as the months progress into autumn, quickly climbing back to 88% by September. This dynamic offers a glimpse into Portstewart's coastal climate, where moisture levels play a vital role in shaping the region's unique atmosphere.
In June, Portstewart experiences a significant uptick in the UV Index, reaching a striking 8 and entering the very high exposure category, which drastically reduces the safe burn time to just 15 minutes. This trend marks a noticeable shift from the more moderate UV levels seen in the earlier months, where March and April presented indexes of 3 and 5, respectively. As the summer approaches, it's essential for residents and visitors alike to be mindful of the sun’s intensity. The rising UV levels not only highlight the importance of protection but also serve as a reminder of the seasonal changes in sun exposure. For detailed insights on UV levels throughout the year, visit Portstewart UV Index.
UV Risk Categories
As June embraces Portstewart, the radiance of longer days brings a delightful 388 hours of sunshine, continuing the spring’s upward trend. Following May's impressive 405 hours, June shines as a wonderful balance between lingering brightness and the onset of warmer summer days. With the sun making a gradual ascent in the preceding months—starting from a modest 72 hours in January to a vibrant 319 hours in April—it’s clear that the coastline thrives under a generous sun. The table of sunlit hours reaches its peak in July with 404 hours, making the warmth of June a perfect prelude to summer adventures. As the seasons transition, Portstewart beautifully illustrates nature's rhythm, inviting both locals and visitors to relish in the joyful embrace of sunlight.
In Portstewart, June brings a 22% chance of sunny weather, which is a modest decline compared to the brighter days of April and May. While spring raises hopes with higher probabilities of sunshine, June sees a slight dip, aligning closely with the summer months of July and August at 24% and 19%, respectively. This pattern suggests that while the onset of summer might not guarantee consistent sunshine, the transitional months of April and May still hold the promise of brighter skies. As the year progresses, the likelihood of sunny weather fluctuates, making each June a blend of anticipation and the reality of typical coastal weather for this charming corner of the UK.
In June, Portstewart, United Kingdom, basks in a delightful 17 hours of daylight, marking the peak of the year. This month showcases a remarkable transition from the earlier months, where daylight gradually increased from a modest 7 hours in January to a vibrant 16 hours in May. June's long days invite residents and visitors alike to embrace outdoor activities and enjoy the stunning coastal scenery. Following this burst of brightness, the daylight begins to taper off in July, returning to 16 hours before dipping further as summer wanes. This pleasant trend in daylight duration highlights the vibrant shift into longer, sun-filled days, perfect for savoring the beauty of summer in Northern Ireland.
As June unfolds in Portstewart, the coastal winds begin to mellow, with an average speed of 5.7 m/s (13 mph), making it one of the calmer months of the year. This gentle breeze comes on the heels of a more blustery spring, where February recorded average gusts of 10.5 m/s (23 mph), and April still held strong at 5.9 m/s (13 mph). Interestingly, it seems that the wind eases as summer approaches, peaking again in the later months of autumn when wind speeds rise notably to 7.7 m/s (17 mph) in October. June's whispering winds provide a refreshing backdrop for beachgoers and outdoor enthusiasts alike, perfectly complementing the vibrant atmosphere of the season.
The weather in Portstewart 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 Portstewart and find detailed weather information for every month.
June weather in Portstewart is generally milder than that of January, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), and an average of 12°C (54°F). In contrast, January sees cooler temperatures, with a minimum of 2°C (36°F), an average of 7°C (45°F), and a maximum of 13°C (56°F). Both months experience similar levels of precipitation, with June receiving 105 mm (4.1 in) and January slightly higher at 109 mm (4.3 in), both spread over 17 days. Additionally, humidity is quite comparable, with June at 84% and January at 87%. For more specific insights into January weather patterns, you can check Portstewart weather in January.
When comparing the weather in June and February, it's clear that June experiences 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, February has lower temperatures, with a minimum of 1°C (34°F) and an average of 7°C (44°F), reaching up to 12°C (54°F). Precipitation levels are also notable, with February receiving slightly more rain at 132 mm (5.2 in) across 18 days, compared to June's 105 mm (4.1 in) over 17 days. Humidity levels remain relatively high in both months, with February at 86% and June at 84%. For more detailed information, you can check out Portstewart weather in February.
When comparing the weather of June and March, it’s evident that June is generally warmer, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), while March experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 12°C (54°F). Precipitation levels are relatively close, with June receiving 105 mm (4.1 in) over 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 a more detailed look at March weather specifically, you can visit Portstewart weather in March.
When comparing the weather in June and April, June generally enjoys milder temperatures, with a minimum of 8°C (47°F), an average of 12°C (54°F), and a maximum of 17°C (62°F). In contrast, April is cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (56°F). Furthermore, June experiences significantly more precipitation, totaling 105 mm (4.1 in) over 17 days, compared to April's 55 mm (2.2 in) over 12 days. Humidity levels are slightly lower in June at 84%, while April maintains a humidity of 85%. For more specific details, visit Portstewart weather in April.
Comparing the weather in June and May reveals some interesting differences. In June, the minimum temperature is slightly higher at 8°C (47°F) compared to May’s 5°C (41°F), contributing to an average temperature of 12°C (54°F) versus May’s 10°C (50°F). Both months experience similar maximum temperatures, with June reaching 17°C (62°F) and May slightly lower at 16°C (61°F). However, June sees significantly more precipitation, totaling 105 mm (4.1 in) over 17 days, compared to May's 72 mm (2.9 in) over 13 days. The humidity also rises in June to 84%, slightly above May's 82%. For a more detailed comparison of May weather, you can check Portstewart weather in May.
June and July offer mild temperatures with July typically being slightly warmer. In June, temperatures range from a minimum of 8°C (47°F) to a maximum of 17°C (62°F), while July sees temperatures start at a minimum of 11°C (52°F) and peak at 19°C (67°F). Both months experience similar levels of precipitation, with June having 105 mm (4.1 in) and July just slightly higher at 110 mm (4.3 in), occurring over the same number of days—17. Humidity also remains consistent, increasing marginally from 84% in June to 86% in July. For more detailed information, you can check Portstewart weather in July.
June and August present distinct weather patterns, with June typically featuring slightly cooler temperatures. In June, the daily average hovers around 12°C (54°F), with maximums reaching 17°C (62°F), while August sees a modest increase in warmth with averages around 14°C (58°F) and highs of 18°C (66°F). Precipitation in August is also more pronounced, totaling 146 mm (5.7 in) over approximately 20 days, compared to June's 105 mm (4.1 in) spread across 17 days. Humidity remains relatively high in both months, with June at 84% and August at 86%, making for a consistently damp and often chilly climate. For more details on the weather specifics in August, you can refer to Portstewart weather in August.
June and September present similar temperature ranges, with both months peaking at around 17°C (62°F). However, June typically has a slightly lower average temperature of 12°C (54°F) compared to September's 14°C (57°F). Precipitation is slightly higher in September, with 117 mm (4.6 in) over 20 days, compared to June's 105 mm (4.1 in) over 17 days. Additionally, September experiences higher humidity at 88%, as opposed to June's 84%. For more detailed insights into September weather, you can visit Portstewart weather in September.
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). However, the month is relatively wet, receiving 105 mm (4.1 in) of precipitation across about 17 days, resulting in a humidity level of 84%. In contrast, October sees slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 16°C (62°F), maintaining the same average of 12°C (53°F). This month experiences more rainfall, with a total of 161 mm (6.3 in) over 24 days, and the humidity increases to 89%. For more details, check out Portstewart weather in October.
June and November present distinct weather patterns, with June typically exhibiting milder temperatures ranging from a minimum of 8°C (47°F) to a maximum of 17°C (62°F) and an average of 12°C (54°F). In contrast, November's temperatures are cooler, with a minimum of 4°C (40°F), an average of 9°C (49°F), and a maximum of 14°C (58°F). Precipitation is also more significant in November, totaling 156 mm (6.2 in) over 23 days, compared to June's 105 mm (4.1 in) over 17 days. Additionally, humidity levels are higher in November at 90% versus June's 84%. For a more detailed look at November's weather, you can visit Portstewart weather in November.
June and December present contrasting weather conditions in Portstewart. In June, temperatures range from a mild 8°C (47°F) to a comfortable 17°C (62°F), accompanied by relatively lower precipitation of 105 mm (4.1 in) over 17 days. Humidity sits at a high 84%, creating a pleasant but damp atmosphere. In contrast, December experiences cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 12°C (54°F). The month also sees increased rainfall, totaling 166 mm (6.5 in) across 23 days, and slightly higher humidity at 86%. This difference in temperature and precipitation highlights the transition from early summer's mildness to winter's chilliness. For more detailed insights, check Portstewart weather in December.
June in Portstewart ushers in a moderate embrace of late spring warmth, with temperatures gradually inching towards summer highs. Unlike the chillier months that precede it, this month showcases an average temperature of around 12°C, making outdoor activities more appealing despite the notable rainfall. Though rain graces approximately half the days, the humidity remains high, adding a refreshing touch to the coastal air. Transitioning from late spring to early summer, June offers a unique blend of vibrant ocean breezes and lush greenery, creating an inviting atmosphere for visitors. For detailed insights on what to expect throughout the year, check out Portstewart Climate.