May Weather in Portarlington, Ireland

Last updated: March 17, 2025

May in Portarlington, Ireland offers a delightful blend of mild temperatures and refreshing spring rain. With a maximum temperature reaching 24°C (76°F), the month showcases pleasant warmth, while the average hovers around a comfortable 12°C (53°F). Nevertheless, the weather can be unpredictable, as minimum temperatures may dip to -1°C (30°F). Rainfall is a common feature, with a total of 72 mm (2.8 in) spread across 12 days, resulting in a humidity level around 83%. As nature flourishes, May presents an inviting atmosphere for both residents and visitors to embrace the essence of spring in this charming Irish town.

May Temperature in Portarlington

In May, Portarlington experiences a delightful transition into warmer weather, with temperatures reflecting the burgeoning spring season. The minimum temperature rises to a mild -1°C (30°F), while the average climbs to a comfortable 12°C (53°F), peaking at a cheerful 24°C (76°F) during the day. This significant increase from the cooler months of April and March marks May as one of the most pleasant months, inviting locals and visitors alike to enjoy outdoor activities amid blooming landscapes. As the days grow longer and sunshine becomes more prominent, the town’s vibrant atmosphere mirrors the rising temperatures, promising a refreshing end to spring.

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

The chart illustrates May temperature patterns in Portarlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424345485358616056514644
Data source: Temperature data for Portarlington 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 Portarlington

In May, Portarlington experiences a moderate precipitation level of 72 mm (2.8 in), falling slightly above the earlier months of April and January, while mirroring the rainfall found in July. This month sees rainfall on an average of 12 days, contributing to lush greenery and vibrant landscapes as spring transitions into summer. Notably, May is characterized by a rise in precipitation following the drier spell of April with just 48 mm, indicating a trend of increased moisture levels as the year progresses. This gradual uptick in rainfall, particularly in the months leading into August—the wettest month at 99 mm (3.9 in)—heralds the rich, dramatic weather patterns typical of the Irish climate, keeping the region’s natural beauty ever flourishing.

May Precipitation Trends in Portarlington

The chart displays monthly precipitation patterns in Portarlington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec558682487270729971838393
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Portarlington

In May, Portarlington experiences a slight dip in humidity, averaging around 83%. This marks the beginning of a trend as the spring months transition into summer, with humidity levels gradually settling into the mid-80s. Compared to April’s 85%, May provides a touch of relief, although the surrounding months, like June and July, see humidity levels return to 85% and 86%, respectively. Overall, the humidity in Portarlington maintains a consistent high throughout the year, with only minor fluctuations, underscoring the region's characteristic dampness that residents and visitors alike have come to expect.

May Average Humidity in Portarlington

This chart illustrates the average monthly humidity levels in Portarlington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portarlington

As the warmth of spring gives way to early summer, May in Portarlington, Ireland, sees a notable increase in the UV Index, reaching 7—a mark categorized as high. This rise is part of an upward trend from the moderate levels of previous months, where the burn time decreased to just 25 minutes under the sun. These changes signal a pivotal shift in the seasons, urging residents and visitors alike to stay vigilant about sun exposure and skin protection. With the sun shining more intensely, being informed is key; keep an eye on the UV index to enjoy those beautiful days safely. For further insights into daily UV fluctuations, check out Portarlington UV Index.

Maximum UV Index Levels in Portarlington for May

The chart shows the monthly maximum UV Index (UVI) for Portarlington 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Portarlington 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 Portarlington

As May unfolds in Portarlington, Ireland, the landscape transforms under an impressive 369 hours of sunshine, marking it as the sunniest month of the year. This warm embrace follows a gradual increase from January's mere 79 hours, revealing a clear trend of shifting seasons. The sun starts to break through the clouds in early spring, illustrated by the 173 hours in March and a significant leap to 280 hours by April. The trend continues with the summer months holding their own, as June and July provide a wealth of light, though slightly less than May. As summer wanes into August, sunny hours dip to 308, but remains well above the earlier months. This remarkable sunshine pattern not only highlights the beauty of May but also beckons outdoor adventures and leisurely days in the lush Irish scenery.

Monthly Sunshine Duration in Portarlington: May Highlighted

The May sunshine duration represents the total number of hours Portarlington 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.
JanFebMarAprMayJunJulAugSepOctNovDec79h135h173h280h369h363h365h308h274h224h114h89h
Data source: Portarlington May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portarlington During May

In Portarlington, Ireland, the likelihood of sunny weather shows intriguing seasonal patterns, particularly as we transition into May. After a somewhat gloomy start to the year, with January and February experiencing sun chances as low as 20% and 29%, respectively, there's a noticeable uptick in April with 40% sunlight. May maintains a decent 32% chance of sunny days, making it one of the brighter months compared to the preceding spring. Although the cloud cover returns in June, dropping to 21%, May stands out as a hopeful bridge to summer, hinting at longer days and more opportunities to soak up the sun.

Percentage of Sunny Days in May in Portarlington

The chart illustrates the percentage of sunny days in Portarlington 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 Portarlington experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%20%18%40%32%21%27%24%18%17%25%21%
Data source: Portarlington May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portarlington in May

As spring transitions into summer, May in Portarlington marks a delightful point in the year with approximately 15 hours of daylight. This significant increase from 14 hours in April not only brightens the landscape but also invites residents and visitors to embrace outdoor activities. The trend towards longer days will continue into June, reaching a peak of 16 hours, before gradually declining again in the later months. By the time June and July roll in, the vibrant community can bask in the longest daylight hours, ensuring ample time for exploration and enjoyment of the natural beauty surrounding Portarlington. As the year progresses, daylight ebbs back to earlier, shorter hours by autumn, reminding us to savor the radiant joys of late spring and early summer while they last.

Average Daylight Hours in Portarlington for May

The chart illustrates the variation in daylight duration in Portarlington throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 7m9h 49m11h 54m14h 2m15h 54m16h 53m16h 21m14h 40m12h 37m10h 30m8h 36m7h 34m
Data source: Portarlington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Portarlington

In May, Portarlington experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph), slightly higher than the calmness of April. This month's wind patterns reflect a consistent transition from the spring thaw, maintaining a moderate pace that invites outdoor activities without overwhelming gusts. As the year progresses, the winds typically offer a mix of serenity and refreshment; however, June sees a minor dip to 3.4 m/s (8 mph), continuing a trend towards more stable winds as summer approaches. Notably, the peak wind speeds occur later in the year, with October registering an average of 4.2 m/s (9 mph), suggesting that while May brings mild breezes, the winds of autumn start to pick up, leading to a dynamic seasonal shift. Overall, May sets the stage for a delightful balance of gentle air currents as residents and visitors bask in the beauty of spring.

Average May Wind Speed in Portarlington

The chart displays monthly wind speed patterns in Portarlington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.85.24.13.13.6 m/s3.42.63.23.14.23.94.3
Data source: Portarlington May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Portarlington Compares to Other Months

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

When comparing the weather in May and January, a distinct contrast is evident. May tends to be much milder, with temperatures averaging around 12°C (53°F) and peaking at 24°C (76°F), while January's average is only 6°C (43°F) and reaches a maximum of 14°C (57°F). Additionally, May experiences more precipitation at 72 mm (2.8 in) over approximately 12 days, compared to January's 55 mm (2.1 in) over 10 days. The humidity levels are slightly lower in May at 83%, compared to 85% in January, further emphasizing the cooler and wetter feel of the first month of the year. For more details on January’s specific weather patterns, you can visit Portarlington weather in January.

When comparing the weather in May and February, we see distinct differences. May typically enjoys milder temperatures, ranging from a minimum of -1°C (30°F) to a comfortable maximum of 24°C (76°F), with an average of 12°C (53°F). In contrast, February is chillier, with temperatures averaging 6°C (44°F), a low of -3°C (27°F), and a high of only 16°C (61°F). Precipitation is slightly higher in February at 86 mm (3.4 in) over 15 days, compared to May's 72 mm (2.8 in) over 12 days. Humidity levels are similar, with February at 86% and May at 83%. For a more detailed look at February's weather patterns, you can visit Portarlington weather in February.

In comparing the weather conditions of March and May, it's clear that May offers a much gentler climate. While temperatures in March range from a chilly -7°C (21°F) to a maximum of 17°C (64°F), May sees warmer averages with a minimum of -1°C (30°F) and highs reaching up to 24°C (76°F). Additionally, May experiences slightly less precipitation at 72 mm (2.8 in) over 12 days, compared to March's 82 mm (3.2 in) across 16 days. Humidity levels remain relatively high, with March at 86% and May at 83%. For more detailed information on March weather, you can check Portarlington weather in March.

In comparison to April, May experiences a milder and more pleasant climate, with average temperatures rising from 9°C (48°F) to 12°C (53°F). While both months see cool minimum temperatures, May's lows at -1°C (30°F) are slightly warmer than April's -4°C (26°F). Additionally, the maximum temperatures in May reach a comfortable 24°C (76°F), surpassing April's 21°C (71°F). However, May also sees an increase in precipitation, totaling 72 mm (2.8 in) over 12 days, compared to April's 48 mm (1.9 in) over 10 days. The humidity remains fairly high in both months, with May at 83% and April slightly higher at 85%. For more details on the weather in April, you can check out Portarlington weather in April.

In comparison to May, June offers slightly warmer temperatures with a minimum of 4°C (40°F) and an average of 14°C (58°F), compared to May's minimum of -1°C (30°F) and average of 12°C (53°F). The maximum temperatures in June can reach up to 28°C (83°F), exceeding May's maximum of 24°C (76°F). Precipitation levels are quite similar, with June having 70 mm (2.7 in) over 14 days and May recording 72 mm (2.8 in) over 12 days. Humidity also increases slightly from 83% in May to 85% in June, contributing to a more humid atmosphere. For more details on June's weather patterns, you can check Portarlington weather in June.

When comparing the weather in May and July, there are some notable differences. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), with an average of 12°C (53°F). July, on the other hand, offers warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 29°C (84°F) and an average of 16°C (61°F). Both months experience the same level of precipitation at 72 mm (2.8 in) over 12 days, though July's increased humidity at 86% compared to May's 83% adds to the overall warmth. For more details about July weather, you can check Portarlington weather in July.

In May, temperatures range from a chilly low of -1°C (30°F) to a pleasant high of 24°C (76°F), with an average of 12°C (53°F). This month experiences about 72 mm (2.8 in) of rain over 12 days, accompanied by relatively high humidity levels at 83%. In contrast, August sees slightly warmer temperatures, with minimums of 6°C (43°F) and an average of 15°C (60°F), while still peaking at 24°C (75°F). However, it is wetter, receiving 99 mm (3.9 in) of precipitation across 17 days and slightly higher humidity at 85%. For those interested in more specific August weather conditions, you can visit Portarlington weather in August.

May and September exhibit slightly different weather patterns, each with its own unique characteristics. In May, temperatures range from a brisk minimum of -1°C (30°F) to a pleasant maximum of 24°C (76°F), with an average of 12°C (53°F). Precipitation is relatively moderate, with 72 mm (2.8 in) falling over 12 days, and humidity levels sitting at 83%.

In contrast, September shows a progression into the cooler months, with minimum temperatures around 0°C (33°F) and a slightly higher average of 14°C (57°F). The maximum temperature is comparable at 26°C (80°F), and precipitation remains consistent at 71 mm (2.8 in) over 12 days, though humidity is a bit higher at 86%. For more information, visit Portarlington weather in September.

May and October exhibit distinct weather patterns, with May generally experiencing slightly warmer temperatures. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), while October shows a narrower range, with minimums of -2°C (29°F) and maximums of 20°C (68°F). Precipitation is comparable in both months, but October sees a bit more with 83 mm (3.3 in) over 15 days, compared to May's 72 mm (2.8 in) over 12 days. Humidity levels are also higher in October at 87% versus May's 83%. For more details, check Portarlington weather in October.

May and November present distinctly different weather patterns. In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), with an average of 12°C (53°F). The month sees about 72 mm (2.8 in) of precipitation over 12 days and maintains a humidity level of 83%. In contrast, November experiences cooler conditions, with temperatures ranging from -3°C (28°F) to a maximum of 16°C (60°F) and an average of 8°C (46°F). Precipitation increases slightly to 83 mm (3.3 in) spread across 14 days, accompanied by a higher humidity level of 86%. For more detailed insights into November's weather conditions, you can check Portarlington weather in November.

When comparing the weather in May and December, one can observe notable differences in temperature and precipitation. May typically sees milder conditions, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), while December experiences colder temperatures, with averages from -6°C (21°F) to 14°C (57°F). Precipitation is also more frequent in December, with 93 mm (3.7 in) over 15 days compared to May's 72 mm (2.8 in) over 12 days. Humidity levels remain high in both months, but December's 84% slightly surpasses May's 83%. For more details on December's climate specifically, you can check Portarlington weather in December.

Compare Portarlington's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Portarlington

May in Portarlington marks a notable transition into warmer weather, showcasing a delightful balance of warmth and freshness. With average temperatures climbing significantly from the chill of winter, residents and visitors can finally relish outdoor activities. The higher humidity adds a touch of sultriness, while the increased precipitation compared to earlier months ensures that the lush landscape flourishes. As daylight extends, May offers a refreshing change, inviting exploration of the scenic beauty that this charming town has to offer. To gain deeper insights into the climatic conditions throughout the year, check out Portarlington Climate.