May Weather in Portaferry, United Kingdom

Last updated: March 17, 2025

In Portaferry, United Kingdom, the weather in May is characterized by a maximum temperature of 17°C (63°F), providing a mild atmosphere for the start of summer. The average temperature hovers around 11°C (51°F), while nights can be cool, with a minimum of 4°C (40°F). This month experiences a total precipitation of 59 mm (2.3 in) spread over 11 days, contributing to the lush greenery of the region. The humidity levels are notably high at 82%, creating a refreshing, albeit damp, environment that highlights the charm of this seaside town. Embrace the quintessentially British unpredictability of May weather as you explore all that Portaferry has to offer!

May Temperature in Portaferry

In May, Portaferry begins to bloom as spring makes its presence felt, with temperatures reflecting a lovely upward trend. The month opens with a minimum of 4°C (40°F) and peaks at an inviting 17°C (63°F), creating an average temperature of 11°C (51°F). This warming is a welcome contrast to the earlier months, showcasing a shift from the chilly grips of winter to more charming and temperate conditions. With each passing day, the sun’s strength increases, inviting residents and visitors alike to enjoy the blossoming beauty of nature and partake in outdoor activities. As the month progresses, the gradual rise not only enhances the landscape but also elevates the spirits, marking May as a delightful transition into the warmth of summer ahead.

May Weather in Portaferry: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Portaferry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444445475155585957534946
Data source: Temperature data for Portaferry 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.

May Precipitation in Portaferry

In May, Portaferry experiences a moderate level of rainfall, with 59 mm (approximately 2.3 in) falling across 11 days. This month represents a rebound from the significantly drier April, where only 41 mm was recorded. While May's precipitation is lower than the preceding months of January through April, it sets the stage for the wetter months ahead, as seen in June and July. The consistency of rainfall in May, combined with its moderate total, highlights a transition in weather as the region shifts toward the lush greenery of summer, making this month a critical juncture in Portaferry's annual climatic rhythm.

May Precipitation Trends in Portaferry

The chart displays monthly precipitation patterns in Portaferry, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec73103884160819511488119123113
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Portaferry

As spring transitions into summer, May in Portaferry, United Kingdom, reveals a noticeable dip in humidity, averaging at 82%. This decline marks the lowest point in the year, reflecting an inviting respite from the consistently high levels seen in the earlier months. January through April, for instance, feature humidity levels around the 85-87% range, contributing to the dampness often associated with this coastal town. Interestingly, the trend shifts back upward as summer approaches, with humidity rising again to 84% by June. This pattern highlights May as a unique reprieve, making it a particularly pleasant time for outdoor activities before the humid months return.

May Average Humidity in Portaferry

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

May UV Index in Portaferry

As May unfolds in Portaferry, United Kingdom, residents can expect a significant increase in sun intensity, marked by a UV Index of 7, placing it in the high exposure category. This shift from the earlier months highlights the warming trend as spring transitions towards summer. With a reduced burn time of just 25 minutes, it's crucial for sun seekers to prioritize skin protection during outdoor activities. This month not only emphasizes the need for vigilance against UV rays but also sets the stage for further increases in June, when the UV Index reaches an even higher threshold. Stay informed about local conditions by checking the detailed report at Portaferry UV Index.

Maximum UV Index Levels in Portaferry for May

The chart shows the monthly maximum UV Index (UVI) for Portaferry in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec123578865321
Data source: Portaferry May 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.

May Sunshine in Portaferry

May brings a delightful burst of sunshine to Portaferry, United Kingdom, with an impressive 411 hours of sunlight, marking it as one of the sunniest months of the year. This increase from 333 hours in April illustrates a beautiful trend as spring shifts into early summer, with daylight hours gradually extending. Following May, June and July maintain a similar glow, showcasing 405 and 409 hours respectively, while August experiences a slight dip to 359 hours. The gradual decline heading into autumn sees September at 304 hours, reminding us that the lushness of summer gradually gives way to the cozy charm of fall. Overall, May stands out as a vibrant beacon in Portaferry's yearly cycle, inviting residents and visitors alike to revel in its warm embrace before the sun begins its retreat.

Monthly Sunshine Duration in Portaferry: May Highlighted

The May sunshine duration represents the total number of hours Portaferry experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec85h154h220h333h411h405h409h359h304h238h122h93h
Data source: Portaferry May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portaferry During May

In Portaferry, United Kingdom, the likelihood of sunny weather in May stands at a moderate 35%, making it a significant improvement from the preceding months. With only 23% sun chance in March and a substantial leap to 48% in April, May continues this upward trend, though it slightly dips in comparison to April’s peak. Following May, the chances taper off again into the summer months, notably dropping to 26% in June and fluctuating around the same figures into autumn. This pattern suggests that while May offers a fair chance for sunny days, it's best to embrace the fleeting warmth before the summer sun wanes and gives way to the overcast skies typical of later months.

Percentage of Sunny Days in May in Portaferry

The chart illustrates the percentage of sunny days in Portaferry throughout the year, with May 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 Portaferry experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%25%23%48%35%26%36%24%23%21%21%17%
Data source: Portaferry May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portaferry in May

As spring blossoms into summer, May brings a remarkable increase in daylight to Portaferry, with an impressive 16 hours of sunlight illuminating the landscape. This month marks a peak in daylight hours, providing a vibrant contrast to the shorter days of winter, where January and December languish at just 7 hours. The gradual lengthening of days starts in February with 9 hours, steadily gaining momentum through March and April, culminating in the lush, bright days of May. As summer approaches, the daylight will reach its zenith in June, but May stands out as a crucial transitional period, inviting residents and visitors alike to embrace longer evenings and the natural beauty that flourishes under its generous sky.

Average Daylight Hours in Portaferry for May

The chart illustrates the variation in daylight duration in Portaferry throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 56m9h 43m11h 54m14h 7m16h 5m17h 8m16h 35m14h 48m12h 38m10h 26m8h 26m7h 20m
Data source: Portaferry daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Portaferry

In May, Portaferry experiences a gentle breeze with an average wind speed of 5.3 m/s (12 mph), marking a slight uptick from the calmer conditions of April. This transition reflects a pattern where early spring tends to see less wind, while the approach of summer gradually stirs the air. Interestingly, the wind speeds in May are notably lower than the gustier months of February and November, yet still sufficient to rustle the leaves and invite outdoor activities. As summer looms, the winds begin to mellow further into June, suggesting a trend toward more serene, wind-sheltered days ideal for enjoying the picturesque coastal views of this charming village.

Average May Wind Speed in Portaferry

The chart displays monthly wind speed patterns in Portaferry, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.28.76.34.75.3 m/s5.13.44.24.46.57.06.9
Data source: Portaferry May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Portaferry Compares to Other Months

The weather in Portaferry 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 Portaferry and find detailed weather information for every month.

May and January offer distinctly different weather experiences. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 17°C (63°F), with an average temperature of 11°C (51°F). The month experiences about 59 mm (2.3 in) of precipitation over 11 days, accompanied by a humidity level of 82%. In contrast, January typically sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 13°C (56°F), resulting in an average of 7°C (45°F). Precipitation is slightly higher at 73 mm (2.9 in) spread over 13 days, and humidity is also a bit elevated at 87%. For more detailed information, visit Portaferry weather in January.

In comparing the weather of May and February, May generally offers milder temperatures, with averages ranging from a minimum of 4°C (40°F) to a maximum of 17°C (63°F), while February's temperatures are cooler, averaging between 1°C (34°F) and 12°C (54°F). Additionally, May experiences less precipitation, accumulating 59 mm (2.3 in) over 11 days, compared to February's 103 mm (4.1 in) across 15 days. Both months have high humidity levels, with May slightly lower at 82% compared to February's 86%. For more detailed information, you can refer to Portaferry weather in February.

In comparing the weather of May and March, May generally offers milder temperatures, with averages around 11°C (51°F) and maximums reaching 17°C (63°F), while March is cooler, with an average temperature of 7°C (45°F) and a maximum of 13°C (57°F). Precipitation is slightly less in May, totaling 59 mm (2.3 in) over 11 days compared to March's 87 mm (3.4 in) across 16 days, which indicates that March tends to be wetter. Additionally, humidity levels remain quite high in both months, at 82% in May compared to 86% in March. For more details about March weather specifically, you can check Portaferry weather in March.

Comparing the weather between April and May reveals a noticeable warming trend as spring progresses. In May, the minimum temperature is slightly higher at 4°C compared to April's 2°C, while the average temperature rises to 11°C from April's 8°C. The maximum temperature also sees an increase, reaching 17°C in May versus April's 14°C. Precipitation is more prevalent in May with 59 mm over 11 days, compared to April's 41 mm over 9 days. Notably, humidity decreases slightly in May to 82%, down from April's 85%. For further details, you can check Portaferry weather in April.

In comparing the weather between May and June, we see a noticeable shift in temperatures and precipitation patterns. May typically experiences cooler conditions, with average temperatures ranging from 4°C (40°F) to 17°C (63°F), while June sees a rise in temperatures, with averages from 8°C (47°F) to 19°C (67°F). However, June also brings increased rainfall, totaling 81 mm (3.2 in) over 14 days compared to May's 59 mm (2.3 in) over 11 days. Humidity levels remain similar, with May at 82% and June slightly higher at 84%. For more specific details about June weather, you can visit Portaferry weather in June.

May and July present quite different weather patterns. In May, temperatures range from a chilly 4°C (40°F) to a mild 17°C (63°F), with an average of 11°C (51°F). The month sees around 59 mm (2.3 in) of precipitation over 11 days, accompanied by humidity levels hovering at 82%. In contrast, July enjoys warmer conditions, with minimum temperatures of 10°C (50°F), maximums reaching 20°C (69°F), and an average temperature of 15°C (59°F). However, July also brings about an increase in rainfall, totaling 95 mm (3.7 in) over 15 days, with slightly higher humidity at 86%. For more detailed information about July weather, you can check Portaferry weather in July.

In comparing May and August weather, May experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 11°C (51°F), while August sees milder conditions, starting from a minimum of 10°C (51°F) and averaging 15°C (59°F). Precipitation is notably higher in August, with 114 mm (4.5 in) spread over 17 days, compared to May's 59 mm (2.3 in) over 11 days. Additionally, humidity levels are slightly elevated in August at 86%, compared to 82% in May, making the late summer month feel a bit more humid. For more detailed weather information, you can check Portaferry weather in August.

May and September exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 4°C (40°F) to a comfortable average of 11°C (51°F), peaking at a maximum of 17°C (63°F). With 59 mm (2.3 in) of rain over approximately 11 days, humidity sits at 82%. In contrast, September offers slightly warmer temperatures, with a minimum of 8°C (47°F), an average of 14°C (57°F), and a maximum of 19°C (67°F). However, it experiences more rainfall, accumulating 88 mm (3.4 in) over about 17 days, along with a higher humidity level of 88%. For more detailed insights, check out Portaferry weather in September.

In comparison to May, October features slightly cooler temperatures, with minimums of 5°C (42°F) and an average of 12°C (53°F), while both months share a maximum of 17°C (63°F). Despite the similar high temperatures, October brings significantly more rain, with a total precipitation of 119 mm (4.7 in) over 18 rainy days, compared to May's 59 mm (2.3 in) spread across 11 days. Additionally, October experiences higher humidity at 89% compared to May's 82%. For more details on October weather in Portaferry, you can visit Portaferry weather in October.

In May, temperatures begin to warm up, with average highs around 17°C (63°F) and a relatively mild climate, though the month still experiences 59 mm (2.3 in) of precipitation over approximately 11 days. By contrast, November sees cooler temperatures, averaging around 9°C (49°F) with a maximum of 14°C (58°F) and an increase in precipitation to 123 mm (4.9 in) spread over 20 days, indicating a wetter month. Additionally, November's higher humidity at 90% contributes to the chill, whereas May, with 82% humidity, feels slightly more comfortable. For more details on November weather, visit Portaferry weather in November.

When comparing the weather in May and December, we can see notable differences in temperature and precipitation. May typically experiences milder temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 17°C (63°F), with an average temperature of 11°C (51°F). In contrast, December tends to be cooler, with temperatures ranging from 2°C (37°F) to 13°C (55°F), and an average of 8°C (46°F). Additionally, December sees significantly more rainfall, accumulating 113 mm (4.4 in) over 18 days, compared to May’s 59 mm (2.3 in) over 11 days. Both months have high humidity, with December being slightly more humid at 86% compared to May's 82%. For more detailed information, you can check Portaferry weather in December.

Compare Portaferry's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Portaferry

As May unfolds in Portaferry, the weather marks a delightful transition, standing out notably from the chillier months that precede it. With temperatures rising and a pleasant average hovering around 11°C, there's a refreshing vibrancy in the air. However, this month also graces the town with its fair share of rainfall, typically bringing about 11 days of precipitation, which contributes to an overall humidity of 82%. This juxtaposition of mild warmth and occasional showers makes May a captivating time to experience the natural beauty of Portaferry. For those curious about what to expect throughout the year, Portaferry Climate provides comprehensive insights into the region's weather patterns.