Last updated: March 17, 2025
In Portrush, United Kingdom, the month of May brings a refreshing mix of mild temperatures and frequent showers. With an average temperature of 10°C (50°F), residents can expect highs reaching up to 16°C (61°F), while lows dip to 5°C (41°F). However, the weather is characterized by its high humidity, averaging 82%, and a noteworthy precipitation total of 72 mm (2.9 in) spread over 13 days. This blend of elements creates a vibrant atmosphere, perfect for experiencing the charm of Portrush as nature awakens in spring.
In May, Portrush experiences a delightful transition as spring blossoms into early summer. With minimum temperatures rising to a milder 5°C (41°F) and an average reaching 10°C (50°F), residents can finally shed their winter layers. The peak temperature often hits 16°C (61°F), inviting locals and visitors alike to enjoy outdoor activities along the stunning coastline. This month marks a significant increase from the chill of previous months, signifying brighter days ahead and a welcoming atmosphere for those looking to explore the beauty of Portrush. As the sun begins to shine more prominently, the area's charm truly comes alive, making May one of the most pleasant months to experience this picturesque town.
In May, Portrush experiences a moderate precipitation amount of 72 mm (2.9 in), continuing the trend of relatively low rain compared to the preceding months, particularly April's 55 mm. With 13 rainy days, May offers a pleasant balance, making it one of the drier months in the spring season. This slight increase from April suggests a transition into the wetter summer months ahead, yet overall, precipitation levels remain significantly lower than the peaks seen in the late autumn and winter months. As the landscape transitions from the chill of spring to the warmer days of June, May provides a refreshing and somewhat unpredictable weather pattern, punctuated by the rejuvenating rains that characterize this coastal town.
In May, Portrush, United Kingdom, experiences a notable dip in humidity, with levels around 82%. This decrease marks a continuation of a gradual trend from the higher humidity levels observed in the earlier months of the year, where humidity hovered around 86-87% from January through April. As spring transitions into summer, the relative humidity in Portrush begins to rise again in June, hinting at the wetter weather to come. This subtle shift in moisture not only contributes to the lush landscape but also sets the stage for the mild and pleasant conditions that characterize the coastal charm of Portrush as the season progresses. With humidity peaking in the later months, May serves as a brief respite before the return of the damp sea breezes typical of the region.
As spring blossoms into summer in Portrush, the UV Index takes a noticeable leap in May, reaching a high level of 6. This shift heralds a critical moment for sun safety, as exposure time before burning decreases to just 25 minutes. Compared to the previous months, where the index ranged from low to moderate, May marks a clear trend towards increased sun intensity, as it sets the stage for the even higher readings that follow in June and July. It's essential for residents and visitors alike to stay vigilant and protect their skin during this time. For more detailed information, check out the Portrush UV Index.
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In Portrush, United Kingdom, May truly shines as the month where the promise of spring reaches its peak, boasting an impressive 405 hours of sunshine. This marks a significant leap from the earlier months, showcasing a blossoming optimism as winter gives way to longer days. Following May, the sunny trend continues into July with 404 hours, solidifying this period as one of the sunniest of the year. However, as summer wanes into August and beyond, there is a noticeable decline in sunshine hours, reminding us of the ephemeral nature of these vibrant days. Overall, May serves as a beautiful transition point, where the lingering charm of spring melds seamlessly into the height of summer, inviting locals and visitors alike to bask in its radiant light.
In May, Portrush experiences a 36% chance of sunny weather, making it one of the more favorable months for sunshine in this charming coastal town. This figure follows a notable increase from April's 43%, before dipping back in the warmer months of June and July, which see a lower likelihood of sun at 22% and 24% respectively. Interestingly, the trend suggests a gradual decline in sunny days leading into the summer, which contrasts with the relatively bright skies of late spring. As May unfolds, visitors can anticipate a mix of delightful sunny spells and the occasional rain, a reminder of the region's unpredictable maritime climate.
As spring gives way to summer in Portrush, the daylight hours experience a remarkable transformation. May, with its 16 hours of sunshine, signifies the peak of the blossoming season, inviting longer days filled with vibrant life and activity. This month sees a marked increase from April's 14 hours, showcasing a trend of steadily growing daylight that starts from a mere 7 hours in January, gradually rising as the year progresses. Following May, June takes the lead with the longest days at 17 hours, but the enchanting brightness of May already builds excitement for the warm summer days ahead. As we traverse through the months, daylight ebbs slightly, reminding us of the transient beauty of this extended daylight period as we slip back to shorter days by autumn.
In May, Portrush experiences a gentle revival of wind after the calmer days of April, with an average wind speed of 6.2 m/s (14 mph). This transition marks a slight uptick from the previous month, reflecting the often changeable weather of spring. As May unfolds, the winds generally remain more moderate than in the preceding winter months, particularly February, which boasted the highest winds at 10.5 m/s (23 mph). Notably, the wind patterns hint at a gradual decrease heading into summer, as seen in June’s 5.7 m/s (13 mph), yet May stands out as a comfortable compromise, ideal for those seeking outdoor adventures without the fierce gusts that can characterize other times of the year.
The weather in Portrush changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Portrush and find detailed weather information for every month.
In May, the weather in Portrush is generally milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (61°F) and an average of 10°C (50°F). The month sees around 72 mm (2.9 in) of precipitation over approximately 13 days, accompanied by a humidity level of 82%. In contrast, January offers cooler conditions, with temperatures fluctuating from a minimum of 2°C (36°F) to a maximum of 13°C (56°F) and an average of 7°C (45°F). This month experiences higher precipitation, totaling 109 mm (4.3 in) spread over about 17 days and slightly higher humidity at 87%. For a detailed look at the weather patterns in January, you can visit Portrush weather in January.
When comparing the weather in May and February, May tends to be milder with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), while February experiences cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 12°C (54°F). February also sees significantly higher precipitation levels, totaling 132 mm (5.2 in) over 18 days, compared to May's 72 mm (2.9 in) over 13 days. Additionally, humidity levels are slightly higher in February at 86%, compared to 82% in May, making February feel a bit more damp overall. For those curious about specific conditions during this time, you can visit Portrush weather in February.
In comparing the weather in May and March, May typically enjoys milder temperatures, with daily averages around 10°C (50°F) compared to March’s cooler average of 7°C (45°F). While March can still see chilly nights with minimum temperatures dropping to -1°C (31°F), May offers a warmer minimum of 5°C (41°F) and a pleasant maximum of 16°C (61°F). However, March experiences more precipitation, totaling 112 mm (4.4 in) over 18 days, while May has less rainfall at 72 mm (2.9 in) across 13 days. Both months have high humidity, but March’s average of 86% slightly surpasses May’s 82%. For more detailed information, you can check Portrush weather in March.
In comparing the weather between April and May, May tends to be slightly warmer, with average temperatures rising from 8°C (47°F) in April to 10°C (50°F) in May. The maximum temperature also increases, reaching 16°C (61°F) in May compared to 13°C (56°F) in April. However, May experiences more precipitation, totaling 72 mm (2.9 in) over 13 days, whereas April sees less rainfall at 55 mm (2.2 in) across 12 days. Humidity remains relatively high in both months, slightly dropping from 85% in April to 82% in May. For more detailed information, you can check Portrush weather in April.
In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average of around 10°C (50°F). The month sees about 72 mm (2.9 in) of precipitation over 13 days, accompanied by high humidity at 82%. In contrast, June experiences slightly warmer weather, 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). However, June is wetter, with a total precipitation of 105 mm (4.1 in) spread across 17 days and a humidity level of 84%. For more detailed information, you can check Portrush weather in June.
In comparing the weather between May and July, May tends to be cooler, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (61°F). The month experiences lower humidity at 82% and sees around 72 mm (2.9 in) of precipitation over approximately 13 days. In contrast, July warms up noticeably, with minimum temperatures of 11°C (52°F) and maximums reaching 19°C (67°F). This month also experiences higher humidity levels at 86% and more rainfall, totaling 110 mm (4.3 in) over about 17 days. For a more detailed look at July weather specifically, check out Portrush weather in July.
May and August present notably different weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average temperature around 10°C (50°F). Precipitation is relatively moderate at 72 mm (2.9 in) over approximately 13 days, and humidity averages 82%. In contrast, August experiences milder temperatures, with lows of 11°C (52°F) and highs reaching 18°C (66°F), averaging 14°C (58°F). However, it sees significantly more rainfall, totaling 146 mm (5.7 in) over about 20 days, with humidity slightly higher at 86%. For more detailed information, check Portrush weather in August.
When comparing the weather in May and September, we can observe some notable differences. May generally features milder temperatures, with a minimum of 5°C (41°F) and an average maximum of 16°C (61°F). In contrast, September sees slightly warmer temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 17°C (64°F). Precipitation also varies, with May receiving 72 mm (2.9 in) over approximately 13 days, while September has a higher total of 117 mm (4.6 in) spread across 20 days. The humidity levels are also a bit higher in September, at 88%, compared to 82% in May. For more details specifically about September weather, you can check this link: Portrush weather in September.
May and October present notable contrasts in weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average of 10°C (50°F). This month sees moderate precipitation of 72 mm (2.9 in) spread over about 13 days, and humidity levels are around 82%.
In contrast, October maintains a similar temperature range, with a minimum of 5°C (42°F) and a maximum of 16°C (62°F), but the average temperature rises slightly to 12°C (53°F). However, this month is significantly wetter, receiving 161 mm (6.3 in) of rainfall across about 24 days, and the humidity increases to 89%. For more details, check out Portrush weather in October.
May and November present contrasting weather conditions, with May typically enjoying slightly warmer temperatures. In May, the temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), averaging around 10°C (50°F). However, it experiences significant humidity at 82% and a total precipitation of 72 mm (2.9 in) over about 13 days. In contrast, November sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 14°C (58°F), averaging 9°C (49°F). The month is marked by higher precipitation, totaling 156 mm (6.2 in) spread over 23 days, and even more humidity at 90%. For more details on the weather conditions in November, you can visit Portrush weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average of 10°C (50°F). The month sees about 72 mm (2.9 in) of precipitation over approximately 13 days, accompanied by a humidity level of 82%. In contrast, December experiences cooler temperatures, with a minimum of 2°C (35°F), an average of 8°C (46°F), and a maximum of 12°C (54°F). This month is considerably wetter, receiving 166 mm (6.5 in) of rainfall over 23 days, and maintains a slightly higher humidity of 86%. For a more detailed look at December weather in Portrush, you can view Portrush weather in December.
As May arrives in Portrush, the weather begins to shift, offering a refreshing change with mild temperatures and a notable increase in humidity. Though rain remains a frequent visitor, with precipitation occurring on nearly half the days, the average temperature climbs significantly compared to the chill of earlier months. This mix of mild warmth and spring showers creates a vibrant atmosphere, perfect for enjoying the stunning coastal scenery. For a deeper understanding of what to expect throughout the year, visit Portrush Climate.