Last updated: March 17, 2025
May in Portstewart, United Kingdom offers a temperate climate, with maximum temperatures peaking at 16°C (61°F) and an average of 10°C (50°F). Visitors can expect cooler nights with lows around 5°C (41°F). This month experiences a significant amount of rainfall, with 72 mm (2.9 in) over 13 days, contributing to the region's lush greenery. The high humidity level of 82% adds a refreshing, coastal feel, making it a unique time to explore this picturesque seaside town.
In May, Portstewart, United Kingdom, begins to embrace the warmth of spring, with temperatures marking a notable shift from the cooler months. The minimum temperature rises to a comfortable 5°C (41°F), while the average reaches a pleasant 10°C (50°F), showcasing a trend of increasing warmth as the month progresses. The maximum temperature can climb up to 16°C (61°F), inviting locals and visitors alike to enjoy the beauty of the coastline and outdoor activities. With these mild conditions, May sets the stage for an invigorating transition towards the summer months, encouraging exploration and relaxation amid the serene landscapes of Northern Ireland.
In May, Portstewart experiences a modest precipitation total of 72 mm (2.9 in) over 13 days, marking a slight increase from the drier month of April. This gradual uptick in rainfall is typical as the seasons transition into summer, yet it remains significantly lower than the winter and late autumn months, where precipitation peaks. The trend of reducing rainy days compared to the earlier months of the year suggests that while May brings refreshing showers, it also offers more opportunities for dry, pleasant days. As the month progresses, residents can expect a blend of sunshine and brief showers, embracing the essence of spring in this charming coastal town.
May in Portstewart, United Kingdom, witnesses a notable decline in humidity, dropping to 82% compared to the earlier months of the year. This change marks the beginning of a slight easing in the dampness that typically envelops the region through the winter and early spring. As summer approaches, humidity gradually rises again in June, hinting at the region's characteristic maritime climate. Historically, Portstewart experiences higher humidity levels of 86% by August, indicating that while May enjoys a brief respite, the lush, green landscape it nurtures is continually influenced by the surrounding sea. Overall, May serves as a transitional month, balancing pleasant conditions with the anticipation of the more humid summer ahead.
As we move into May, the UV Index in Portstewart, United Kingdom rises to 6, placing it in the high exposure category with a burn time of just 25 minutes. This marks a noticeable shift from the moderate levels seen earlier in the spring, particularly in April, when the Index reached 5. The trend indicates a significant increase in sunshine intensity, urging residents and visitors alike to take necessary precautions against UV radiation. With summer on the horizon and UV levels climbing further, awareness and sun safety become essential. For detailed updates, check out the Portstewart UV Index.
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May shines brightly in Portstewart, United Kingdom, marking a peak in sunlight hours with an impressive 405 hours, a significant leap from the 319 hours recorded in April. This month not only stands out as a turning point in the yearly cycle but also showcases the transition into the summer months, where sunshine continues to glow, albeit slightly decreased in June and July with 389 and 404 hours respectively. As the year progresses into the late summer and autumn, sunlight hours gradually decrease, with September offering a vibrant 283 hours, followed by a notable dip in the cooler months. Overall, May serves as a radiant reminder of the transition from spring to summer, embracing warmer days and longer evenings in this charming coastal town.
In Portstewart, United Kingdom, May offers a refreshing burst of sunnier prospects with a 36% chance of sunshine, making it one of the more favorable months for outdoor activities. This is a noticeable improvement from the preceding months, particularly from April's 43%, indicating that spring is truly in full swing. However, as the summer progresses into June, the likelihood of sunny weather dips to 22%, suggesting that while May shines bright, the following months may not hold the same promise of clear skies. Thus, May stands out as a delightful time for locals and visitors alike to bask in the warmth before the clouds potentially roll in.
As spring gives way to summer in Portstewart, the transformation in daylight duration is striking. May stands out with an impressive 16 hours of daylight, marking a notable increase from 14 hours in April and setting the stage for the sunniest month ahead in June. This trend of longer days begins in earnest with 11 hours in March, gradually blossoming to 14 hours in April, and then reaching its peak in the balmy days of early summer. Following May, daylight begins to taper off, dropping to 14 hours in August and continuing to decrease as autumn approaches. This rhythm of lengthening days, peaking in June before gradually waning, encapsulates the seasonal shift that Portstewart experiences, inviting both locals and visitors to savor the vibrant energy of late spring.
In May, Portstewart experiences a gentle breeze with an average wind speed of 6.2 m/s (14 mph), marking a slight increase from the calmer days of April. As spring unfolds, the winds begin to rise again, transitioning from the preceding month's lower gusts to a more refreshing atmosphere ideal for outdoor activities. This trend continues into June, where the winds soften further, settling at 5.7 m/s (13 mph), heralding the calm of summer. Notably, after the brisk winds of winter and early spring, May offers a pleasant compromise, making it an inviting time to enjoy the stunning coastal scenery, as the breezes are strong enough to invigorate without being overwhelming.
The weather in Portstewart 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 Portstewart and find detailed weather information for every month.
When comparing the weather in May and January, it's clear that May tends to be milder and slightly drier. 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) and 72 mm (2.9 in) of precipitation over 13 days. On the other hand, January experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 13°C (56°F), an average of 7°C (45°F), and higher precipitation levels totaling 109 mm (4.3 in) across 17 days. Additionally, January has a higher humidity level at 87% compared to May’s 82%. For more detailed information about January weather, visit Portstewart weather in January.
When comparing the weather in May and February, May generally offers milder temperatures with a minimum of 5°C (41°F) and an average of 10°C (50°F), reaching a maximum of 16°C (61°F). In contrast, February tends to be cooler, with a minimum of 1°C (34°F) and an average of 7°C (44°F), peaking at 12°C (54°F). Additionally, February sees higher precipitation levels at 132 mm (5.2 in) over 18 days, compared to May's 72 mm (2.9 in) over 13 days. Humidity levels are also slightly elevated in February at 86%, versus 82% in May. For a detailed look into February weather, you can check out Portstewart weather in February.
In comparing the weather between May and March, we see that May tends to be warmer, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), compared to March, where temperatures range from -1°C (31°F) to a maximum of 12°C (54°F). Precipitation is also notably different; May experiences 72 mm (2.9 in) of rain over 13 days, while March sees higher rainfall of 112 mm (4.4 in) spread across 18 days. Additionally, humidity levels are relatively high in both months, with May at 82% and March slightly higher at 86%. For more detailed weather information, you can check Portstewart weather in March.
In comparing the weather between April and May, May tends to be milder, with average temperatures rising to around 10°C (50°F) compared to April's average of 8°C (47°F). The minimum temperatures in May are slightly higher as well, with a minimum of 5°C (41°F) versus April's 2°C (36°F). Precipitation is also notably higher in May, totaling 72 mm (2.9 in) over 13 rainy days, compared to April's 55 mm (2.2 in) across 12 days. Humidity remains similar, with May at 82% and April at 85%. For a detailed look at April's weather specifics, you can check Portstewart weather in April.
May and June exhibit a gradual warming trend, with June typically being slightly warmer than May. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), while June sees a minimum of 8°C (47°F) and a maximum of 17°C (62°F). However, June experiences more precipitation, totaling 105 mm (4.1 in) over 17 days compared to May's 72 mm (2.9 in) over 13 days. Humidity remains fairly consistent, with May at 82% and June slightly higher at 84%. For a detailed look at June's weather, you can check out Portstewart weather in June.
In comparing the weather between May and July, one can observe notable differences. May features cooler temperatures, with a minimum of 5°C and an average of 10°C, compared to July's milder minimum of 11°C and an average of 14°C. Additionally, July experiences higher overall temperatures, reaching a maximum of 19°C, whereas May's maximum is capped at 16°C. Precipitation is also more pronounced in July, with 110 mm recorded over 17 days, contrasted with May's 72 mm over 13 days. Moreover, humidity levels increase slightly in July to 86%, compared to 82% in May. For detailed insights, you can check Portstewart weather in July.
May and August exhibit noticeable differences 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 temperature of 10°C (50°F). The month sees around 72 mm (2.9 in) of precipitation over approximately 13 days and maintains a relatively high humidity of 82%. In contrast, August experiences milder temperatures with a minimum of 11°C (52°F) and a maximum of 18°C (66°F), averaging 14°C (58°F). However, it has significantly more precipitation at 146 mm (5.7 in) spread over about 20 days, along with an increase in humidity to 86%. For more detailed weather insights in August, you can check out Portstewart weather in August.
In comparing the weather of May and September, we observe notable differences in temperature and precipitation. May presents milder conditions with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), accompanied by 72 mm (2.9 in) of precipitation over about 13 days. In contrast, September features slightly warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 17°C (64°F), but it also experiences higher precipitation levels, averaging 117 mm (4.6 in) over 20 days. The humidity increases in September, reaching 88% compared to May's 82%. For more detailed insights, you can explore Portstewart weather in September.
May and October present a fascinating contrast in weather conditions, despite having similar maximum temperatures. 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) and 72 mm (2.9 in) of precipitation over 13 days. The humidity sits at 82%, creating a cool but somewhat comfortable atmosphere.
In contrast, October has comparable maximum temperatures but experiences slightly higher averages and more precipitation. The minimum temperature is still 5°C (42°F) but rises to an average of 12°C (53°F) with a maximum reaching 16°C (62°F). Rainfall significantly increases to 161 mm (6.3 in) spread over 24 days, and humidity also creeps up to 89%. For more detailed information about weather conditions, you can visit Portstewart weather in October.
May and November exhibit distinct weather patterns, reflecting the transition from spring to late autumn. 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 experiences around 72 mm (2.9 in) of precipitation over 13 days, coupled with a humidity level of 82%. In contrast, November sees slightly cooler temperatures, with a minimum of 4°C (40°F), an average of 9°C (49°F), and a maximum of 14°C (58°F). Notably, November is much wetter, gathering 156 mm (6.2 in) of rain over 23 days, and the humidity increases to 90%. For more detailed insights, you can visit Portstewart weather in November.
In comparing the weather of May and December, we can observe marked differences in temperature and precipitation. 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), whereas December is cooler, with temperatures averaging between 2°C (35°F) and 12°C (54°F). Additionally, May receives less precipitation, totaling 72 mm (2.9 in) over 13 days, compared to December's significantly higher 166 mm (6.5 in) over 23 days. Humidity levels are relatively similar, with May at 82% and December slightly higher at 86%. For detailed weather insights in December, you can check Portstewart weather in December.
As you explore May weather in Portstewart, you'll notice a refreshing transition from the chill of winter to milder spring temperatures. While maximum temperatures can reach a pleasant 16°C, the overall climate maintains a cool average, offering a perfect blend for outdoor activities. With a moderate amount of precipitation over 13 days and humidity levels around 82%, May is noticeably wetter than the drier summer months ahead, introducing lush landscapes and vibrant blooms. This mix of conditions creates a unique atmosphere, making it an ideal time for coastal strolls and enjoying the natural beauty of the area. For a deeper dive into the year-round conditions, check out Portstewart Climate.