May Weather in Portumna, Ireland

Last updated: March 17, 2025

In Portumna, Ireland, May brings a delightful mix of spring warmth and occasional rain, perfect for enjoying the lush green landscapes. The maximum temperature often reaches around 24°C (76°F), while the average low dips to a refreshing 11°C (53°F), and on chilly nights, it may even plummet to a chilly -1°C (31°F). Rain is fairly common, with 66 mm (2.6 in) of precipitation falling across 13 days, contributing to the region's lush vegetation. With humidity levels at 83%, be prepared for a pleasantly mild yet damp experience that embodies the essence of Irish springtime.

May Temperature in Portumna

In May, Portumna, Ireland, experiences a delightful transition into spring, with temperatures reaching a comfortable average of 11°C (53°F). The month sees a notable uptick from earlier spring months, where the minimum temperature drops to a mild -1°C (31°F) and maximums can soar to a pleasant 24°C (76°F). This significant warming trend marks May as one of the more enjoyable months in the calendar year, paving the way for outdoor activities and vibrant local events. As the chill of winter fades, the community embraces the blossoming life around them, making it an ideal time to explore the scenic beauty of Portumna.

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

The chart illustrates May temperature patterns in Portumna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344485357605956514644
Data source: Temperature data for Portumna generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Portumna

In May, Portumna experiences a typical Irish spring, with precipitation amounting to 66 mm (2.6 in) over 13 days of rain. This is a slight increase from the previous month, April, which recorded 56 mm (2.2 in) of rain but had fewer rainy days. The trend indicates that May serves as a bridge between the drier April and the wetter summer months, much like the transition seen in June, which sees a modest uptick to 70 mm (2.8 in). This pattern underscores the rhythmic nature of Irish weather, where May’s moderate rainfall contributes to the lush landscape that characterizes this time of year.

May Precipitation Trends in Portumna

The chart displays monthly precipitation patterns in Portumna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6711310156667076110799591109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Portumna

In Portumna, Ireland, May brings a slight reprieve from the winter's grip, as humidity levels dip to 83%, mirroring those of June. This marks a gradual decline from the relatively higher figures of the earlier months, where humidity hovered around 88% in January and February, and settled at 87% in March. The trend showcases a subtle shift towards drier air as spring gives way to summer, creating a refreshing atmosphere that enhances the lush landscapes of this quaint Irish town. As the year progresses, humidity will start to rise again in July and August, evoking a sense of continuity in Portumna's ever-evolving weather pattern.

May Average Humidity in Portumna

This chart illustrates the average monthly humidity levels in Portumna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Portumna

As spring blooms in Portumna, Ireland, the UV Index sees a significant increase in May, rising to 7, categorized as high, which indicates a notable shift toward sunnier days. During this month, the recommended burn time shortens to just 25 minutes, highlighting the importance of sun protection as outdoor activities become more appealing. This trend towards higher UV levels continues into June and July, peaking at an 8, marking a transition to very high exposure rates. In contrast, the earlier months of the year—January through April—boast low to moderate UV levels, offering a gentler sun experience. As you enjoy the beautiful weather in May, remember to stay safe and protect your skin, especially with the UV Index on the rise. For more details about the UV Index throughout the year, check out Portumna UV Index.

Maximum UV Index Levels in Portumna for May

The chart shows the monthly maximum UV Index (UVI) for Portumna 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: Portumna 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 Portumna

As spring transitions into summer, May shines brightly in Portumna, Ireland, boasting an impressive 361 hours of sunshine. This delightful month marks a significant increase from the earlier months, where sunshine hours gradually climbed from 72 in January to 276 in April. The upward trend reflects the region's cheerful embrace of longer days and warmer weather, setting the stage for the summer months ahead. As June and July hover around similar figures, with 354 and 363 hours respectively, May serves as a vibrant highlight in the year’s calendar, inviting residents and visitors alike to bask in the beauty of nature under the sun.

Monthly Sunshine Duration in Portumna: May Highlighted

The May sunshine duration represents the total number of hours Portumna 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.
JanFebMarAprMayJunJulAugSepOctNovDec72h127h165h276h361h354h363h296h261h212h109h84h
Data source: Portumna May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portumna During May

May in Portumna, Ireland, offers a refreshing blend of spring's vibrancy, with a 31% chance of sunny weather, making it one of the more favorable months for sunshine. This slight dip from the higher 41% in April suggests a transition as spring gives way to early summer. Interestingly, while May's sunshine likelihood stands out positively against the colder months of January (29%), February (21%), and March (17%), it falls short of the sunny embrace one might hope for in the approaching summer. The subsequent months of June and July see a notable decline, with percentages dropping to 20% and 26%, respectively, highlighting that the sunniest days are slightly elusive in this enchanting part of Ireland. Ultimately, while May may not guarantee endless sunshine, its balanced chance does beckon visitors to enjoy the rejuvenating spirit of the season.

Percentage of Sunny Days in May in Portumna

The chart illustrates the percentage of sunny days in Portumna 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 Portumna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%21%17%42%31%20%26%23%16%17%25%19%
Data source: Portumna May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portumna in May

As spring transitions into summer, May shines brightly in Portumna, Ireland, welcoming 15 hours of daylight for its residents. This significant increase follows the progression from 8 hours in January to 14 hours in April, marking an uplifting trend toward longer days. The gradual extension of daylight not only enhances outdoor activities but also uplifts spirits as nature awakens. The momentum carries into June, which boasts the year's peak with 16 hours of sunshine, before the gradual tapering returns in late summer. Thus, May serves as a pivotal month, encapsulating the essence of spring's vibrancy while hinting at the warmth of summer ahead.

Average Daylight Hours in Portumna for May

The chart illustrates the variation in daylight duration in Portumna throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 10m9h 51m11h 54m14h 1m15h 51m16h 50m16h 19m14h 38m12h 36m10h 31m8h 38m7h 37m
Data source: Portumna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Portumna

In May, Portumna experiences a gentle average wind speed of 3.6 m/s (8 mph), mirroring the breezy conditions of January. As spring progresses, the winds tend to fluctuate, with April recording a slightly lower average. This month also showcases a remarkable consistency as it matches January's pace while transitioning into the warmer months. With wind speeds generally tapering off in the summer, particularly in July where they drop to 2.5 m/s (6 mph), May offers an inviting balance that enhances the lush landscapes, making it a wonderful time for outdoor activities. The shift toward calmer, milder breezes in the subsequent months adds a tranquil charm to Portumna's scenic beauty.

Average May Wind Speed in Portumna

The chart displays monthly wind speed patterns in Portumna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.65.24.13.23.6 m/s3.42.53.23.24.03.84.2
Data source: Portumna May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Portumna Compares to Other Months

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

May and January offer distinctly different weather experiences. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 24°C (76°F), with an average of 11°C (53°F). The month sees an average humidity of 83% and about 66 mm (2.6 in) of precipitation over 13 days, ushering in the warmth of spring. In contrast, January presents cooler conditions, with temperatures fluctuating from a low of -6°C (22°F) to a maximum of 14°C (57°F) and a lower average of 6°C (43°F). The humidity is slightly higher at 88%, and precipitation is comparable at 67 mm (2.6 in) over 12 days. For more insights on January weather, refer to Portumna weather in January.

When comparing the weather in May and February, it's clear that May experiences milder and more variable temperatures, with averages ranging from a minimum of -1°C (31°F) to a pleasant maximum of 24°C (76°F). In contrast, February tends to be colder, with temperatures typically ranging from -3°C (27°F) to a maximum of 15°C (60°F). Precipitation is also notably higher in February, with 113 mm (4.4 in) spread over 17 days, compared to May's 66 mm (2.6 in) over 13 days. Additionally, February’s humidity stands at 88%, slightly higher than May's 83%, making February feel a bit more damp. For a more detailed look at February weather, you can check Portumna weather in February.

In comparison to March, May experiences milder temperatures, with averages rising from 7°C (44°F) in March to 11°C (53°F) in May. The maximum temperatures also increase significantly, reaching up to 24°C (76°F) in May compared to a maximum of 17°C (63°F) in March. Despite May having a lower total precipitation of 66 mm (2.6 in) over 13 days, versus March's 101 mm (4.0 in) over 17 days, both months exhibit high humidity levels, with May at 83% and March slightly higher at 87%. For a detailed look at March conditions, you can check Portumna weather in March.

In comparing April and May weather, we can observe a noticeable shift in the conditions. May brings an increase in average temperature, rising to 11°C (53°F) from April's 9°C (48°F), and features higher maximum temperatures, reaching up to 24°C (76°F) compared to April's 21°C (70°F). While both months experience a similar number of rainy days, May sees slightly more precipitation at 66 mm (2.6 in) versus April's 56 mm (2.2 in). Humidity levels are slightly lower in May at 83%, in contrast to the 86% recorded in April. If you're interested in the specifics of April weather, you can check out Portumna weather in April.

May and June showcase a notable transition in weather patterns. In May, temperatures range from a chilly -1°C (31°F) at night to a pleasant average of 11°C (53°F), peaking at 24°C (76°F) during the day. The month experiences about 66 mm (2.6 in) of precipitation over 13 days, with humidity remaining quite high at 83%. In contrast, June brings a somewhat warmer climate, with minimum temperatures rising to 5°C (41°F) and an average of 14°C (57°F), while daytime highs can reach 29°C (85°F). Precipitation increases slightly to 70 mm (2.8 in) over 14 days, yet humidity remains stable at 83%. For more details on June's weather, see Portumna weather in June.

May and July present contrasting weather patterns, highlighting the transition from spring to summer. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 24°C (76°F), with an average of 11°C (53°F). The month sees about 66 mm (2.6 in) of precipitation spread over 13 rainy days and humidity levels around 83%. In contrast, July experiences warmer weather, with minimum temperatures rising to 7°C (44°F) and maximums reaching 28°C (83°F), resulting in a higher average of 16°C (60°F). Despite having slightly more precipitation at 76 mm (3.0 in) over the same number of rainy days, July also maintains a marginally higher humidity level of 85%. For a detailed look at July weather, check out Portumna weather in July.

In comparing the weather between May and August, we see some notable differences. May typically experiences a wider temperature range, with a minimum of -1°C (31°F) and an average of 11°C (53°F), while August is milder with a minimum of 6°C (43°F) and an average of 15°C (59°F). Both months can reach a maximum temperature of 24°C (76°F), but August tends to be wetter, with 110 mm (4.3 in) of precipitation over 18 days compared to May's 66 mm (2.6 in) over 13 days. Humidity levels remain similar, with May at 83% and August slightly higher at 85%. For more details, you can visit Portumna weather in August.

The weather in May tends to be slightly cooler than in September, with average temperatures ranging from a low of -1°C (31°F) to a high of 24°C (76°F), compared to September's range of 2°C (36°F) to 26°C (79°F). While both months experience a similar number of rainy days, May sees a total precipitation of 66 mm (2.6 in) over 13 days, whereas September has a higher total of 79 mm (3.1 in) over 14 days. Additionally, humidity levels are marginally higher in September at 88%, compared to May's 83%. For more detailed information on September weather, you can visit Portumna weather in September.

May and October present quite a contrast in weather patterns. May typically sees warmer temperatures, with a minimum of -1°C (31°F) and a maximum of 24°C (76°F), averaging around 11°C (53°F). In contrast, October's temperatures are cooler, ranging from 0°C (33°F) to a maximum of 20°C (67°F), with an average of 10°C (51°F). Precipitation is also more pronounced in October, with 95 mm (3.7 in) spread over 15 days, compared to May's 66 mm (2.6 in) over 13 days. Additionally, October tends to be more humid, with levels reaching 91%, compared to May's 83%. For a closer look at October weather, you can check Portumna weather in October.

May and November present distinct contrasts in weather. In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 24°C (76°F), with an average of 11°C (53°F). The month experiences 66 mm (2.6 in) of precipitation over about 13 days, while humidity sits at a moderate 83%. In contrast, November features cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 15°C (60°F), averaging just 8°C (46°F). The month is wetter, receiving 91 mm (3.6 in) of precipitation across 15 days, accompanied by higher humidity at 92%. For more details, check out Portumna weather in November.

May and December present quite contrasting weather patterns. In May, temperatures generally range from a minimum of -1°C (31°F) to a maximum of 24°C (76°F), with an average of 11°C (53°F), making it a mild month particularly at the end. The precipitation level is relatively lower, with about 66 mm (2.6 in) falling over 13 days, accompanied by a humidity level of 83%. In contrast, December features cooler temperatures, with a minimum of -6°C (22°F), an average of 6°C (44°F), and a maximum of 14°C (57°F). Additionally, it experiences more precipitation, totaling 109 mm (4.3 in) over 17 days, and a higher humidity level of 89%. The shift from the warmer, gentler May to the chillier, wetter December is quite pronounced. For more details, you can visit Portumna weather in December.

Compare Portumna's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Portumna

As spring fully unfolds, May in Portumna stands out with its mild temperatures and a notable increase in daylight hours, inviting locals and visitors alike to enjoy the burgeoning nature. Unlike the chillier months before it, this month brings a warm embrace, while occasional rainfall—spread over about half the days—adds a refreshing touch to the air, contributing to the vibrant greenery. With high humidity levels, the atmosphere feels more lush and alive, setting May apart from the preceding colder months. As you plan your visit, be sure to check out the specifics on Portumna Climate to make the most of your experience in this charming Irish locale.