May Weather in Sligo, Ireland

Last updated: March 17, 2025

May in Sligo, Ireland offers a captivating mix of mild temperatures and refreshing rain. With maximum highs reaching 25°C (77°F) and an average temperature of 11°C (53°F), the weather invites outdoor adventures. However, be prepared for a bit of chill, as the minimum can drop to -1°C (31°F). Rain is a common companion, contributing 86 mm (3.4 in) of precipitation over 15 days, creating a lush, vibrant landscape. Combine this with a humidity level of 83%, and the air is filled with the fresh scent of spring, making May a dynamic month for exploring the natural beauty of Sligo.

May Temperature in Sligo

As spring blossoms into summer, May in Sligo, Ireland showcases a delightful warmth that is a welcome shift from the colder months. Temperatures range from a mild minimum of -1°C (31°F) to a pleasing maximum of 25°C (77°F), marking a notable increase in warmth compared to preceding months. The average temperature of 11°C (53°F) reflects this seasonal transition, encouraging both locals and visitors to embrace the outdoors. This month not only offers longer daylight hours but also a vibrant landscape, making it an ideal time to explore the rugged beauty of the Irish coast and lush countryside. With such a pleasant climate, May invites everyone to enjoy the enchantment of Sligo in full bloom.

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

The chart illustrates May temperature patterns in Sligo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424244475256595855504643
Data source: Temperature data for Sligo 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 Sligo

May in Sligo, Ireland, sees a total precipitation of 86 mm (3.4 in), falling over approximately 15 days. This marks a slight increase from the drier month of April, which recorded 65 mm (2.6 in), yet remains lower than the heavier rainfall experienced in preceding months like February and March. As spring progresses, May’s precipitation patterns reveal a balance, with rainfall continuing to nourish the lush landscapes typical of the region. Interestingly, the steady number of rainy days reflects a consistent weather pattern, setting the stage for the warm summer months ahead. As Sligo gears up for summer, May presents a gentle transition, maintaining the region's characteristic green splendor while hinting at the wetter conditions to follow in June and August.

May Precipitation Trends in Sligo

The chart displays monthly precipitation patterns in Sligo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec881311196586117109158106131115119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sligo

May in Sligo, Ireland, continues the pattern of relatively high humidity typical for the region, with levels hovering around 83%. This figure aligns closely with the previous months, indicating a steady moisture presence in the air as spring transitions to summer. The humidity remains consistent through March and April, only slightly dipping before heading into the more humid summer months of July and August, which see a rise to 86%. Overall, May acts as a gentle bridge, setting the stage for the more pronounced humidity that characterizes the latter part of the year, where levels can peak at 88% in November.

May Average Humidity in Sligo

This chart illustrates the average monthly humidity levels in Sligo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%84%83%84%86%86%87%87%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sligo

As May unfolds in Sligo, Ireland, outdoor enthusiasts will notice a marked increase in the UV Index, soaring to 7, which falls into the high exposure category. This represents a significant rise from the previous months, transitioning from a moderate index of 4 in March and 5 in April. With a reduced burn time of just 25 minutes, it's essential for sun seekers to take precautions to protect their skin during this peak pre-summer month. The trend toward higher UV levels continues into June, urging residents and visitors to stay vigilant as summer approaches. For more detailed information, check out the Sligo UV Index.

Maximum UV Index Levels in Sligo for May

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

As spring blossoms into summer, May in Sligo, Ireland, stands out as a radiant crescendo of sunshine, boasting an impressive 365 hours of glorious daylight. This month marks a significant peak in sunshine hours, directly following a steadily increasing trend from January's 62 hours. The transition from winter to spring is beautifully illustrated by the leap from 275 hours in April to that seasonal zenith, highlighting May's emergence as a beacon of light. The sun-drenched days of May not only invite outdoor adventures but also foster a sense of euphoria as the longest days of the year begin. Following May, the sunshine hours gradually taper off in June and July, but the brightness of this vibrant month remains a cherished memory for Sligo’s residents and visitors alike.

Monthly Sunshine Duration in Sligo: May Highlighted

The May sunshine duration represents the total number of hours Sligo 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.
JanFebMarAprMayJunJulAugSepOctNovDec62h127h163h275h365h335h336h287h257h202h102h71h
Data source: Sligo May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sligo During May

In Sligo, Ireland, the likelihood of sunny weather reaches a promising 33% in May, making it one of the brighter months of the year. This figure is only slightly lower than April's 36%, hinting at a trend where the chance of sunshine begins to wane as spring transitions into summer. Despite July's higher prospects of sun, which tend to average around 21%, May stands out for its comfortable balance of pleasant weather as days lengthen and temperatures rise. While May may not guarantee a sun-soaked getaway, the data suggests that nature may offer more than just fleeting rays during this joyful spring month.

Percentage of Sunny Days in May in Sligo

The chart illustrates the percentage of sunny days in Sligo 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 Sligo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%19%12%37%33%15%21%16%14%15%18%13%
Data source: Sligo May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sligo in May

In Sligo, Ireland, the transition into summer is marked by a notable increase in daylight duration. Starting from just 7 hours of daylight in January, the days gradually lengthen, reaching 16 hours by May. This month serves as a significant turning point, showcasing the flourishing of longer days as spring fully unfolds. As summer approaches, June peaks with an impressive 17 hours of daylight, offering ample time for outdoor activities and exploration. Following this peak, daylight begins to recede once more, with July and August seeing gradual declines, ultimately returning to about 7 hours by December. This cyclical pattern highlights the enchanting rhythm of Sligo's seasons, inviting both residents and visitors to embrace the brightness and warmth of longer days.

Average Daylight Hours in Sligo for May

The chart illustrates the variation in daylight duration in Sligo throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 58m9h 45m11h 54m14h 6m16h 3m17h 5m16h 31m14h 46m12h 38m10h 27m8h 28m7h 24m
Data source: Sligo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sligo

In May, Sligo experiences a gentle breeze with an average wind speed of 3.7 m/s (8 mph), mirroring the calmness of April. This transitional month feels like a breath of fresh air after the brisk winds of February and November, where speeds peak at 5.4 m/s (12 mph) and 4.4 m/s (10 mph) respectively. Interestingly, July marks the year’s lull with its lowest winds at 2.4 m/s (5 mph), while the summer months maintain a consistently moderate breeze, ensuring that the vibrant landscapes of Sligo remain comfortably alive. The slight uptick in wind as the year progresses hints at the forthcoming autumn’s refreshing gusts, making May a sweet spot for those who prefer the quieter whispers of nature.

Average May Wind Speed in Sligo

The chart displays monthly wind speed patterns in Sligo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.55.44.43.43.7 m/s3.72.43.13.24.24.44.7
Data source: Sligo May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sligo Compares to Other Months

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

May and January present quite different weather patterns. In May, temperatures range from a low of -1°C (31°F) to a warm high of 25°C (77°F), with an average temperature of 11°C (53°F). The month sees 86 mm (3.4 in) of precipitation over about 15 days, paired with relatively high humidity at 83%. In contrast, January experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (57°F), averaging at 6°C (42°F). Precipitation is slightly higher at 88 mm (3.4 in) over the same number of rainy days, with humidity at 84%. These contrasts highlight how May brings milder and warmer conditions compared to the chillier January climate. For more details, check out Sligo weather in January.

In comparing the weather between May and February, May tends to be milder and more pleasant. The average temperature in May reaches 11°C (53°F), with maxima soaring up to 25°C (77°F), while February generally has cooler temperatures, averaging at 6°C (43°F) and peaking at 15°C (59°F). Additionally, February experiences more precipitation, with 131 mm (5.2 in) over 17 days compared to May's 86 mm (3.4 in) over 15 days. Both months have similar humidity levels, with May at 83% and February slightly higher at 84%. For more detailed insights on February weather, you can refer to Sligo weather in February.

In comparing the weather of May and March, it's clear that May offers a milder climate with higher average temperatures, ranging from a minimum of -1°C to a maximum of 25°C, compared to March's range of -4°C to 17°C. While both months experience similar humidity levels at 83%, March receives more precipitation, totaling 119 mm over 18 days, in contrast to May's 86 mm over 15 days. This leads to a more pronounced chance of rain in March, making May a more favorable month for outdoor activities. For those looking for specific weather details, you can check Sligo weather in March.

In comparing the weather of May and April, we observe that May experiences a slightly wider temperature range, with minimums of -1°C (31°F) and maximums reaching up to 25°C (77°F), as opposed to April’s minimum of -2°C (29°F) and maximum of 21°C (70°F). The average temperature in May rises to 11°C (53°F), compared to April's average of 9°C (48°F). Additionally, May has more precipitation, totaling 86 mm (3.4 in) over 15 days, while April records 65 mm (2.6 in) across 13 days. Humidity levels remain fairly similar, with May at 83% and April at 84%. For a more detailed view of April’s climate, check out Sligo weather in April.

May and June present a noticeable shift in weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 25°C (77°F), with an average of 11°C (53°F). Conversely, June sees a warmer minimum of 5°C (41°F) and a higher maximum of 29°C (84°F), with an average temperature rising to 13°C (57°F). Precipitation also increases from 86 mm (3.4 in) over 15 days in May to 117 mm (4.6 in) across 17 days in June, maintaining a consistent humidity level of 83% throughout both months. For more detailed information, you can check Sligo weather in June.

May and July offer distinctly different weather profiles. In May, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 25°C (77°F), with an average around 11°C (53°F). The month experiences about 86 mm (3.4 in) of precipitation over 15 days, with humidity sitting at a relatively high 83%. In contrast, July sees warmer temperatures, with a minimum of 8°C (46°F) and a maximum of 28°C (83°F), leading to a higher average of 15°C (59°F). Rainfall increases slightly to 109 mm (4.3 in) across 16 days, and humidity rises to 86%. For more details on the weather during this month, check out Sligo weather in July.

In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (77°F), with an average of 11°C (53°F), while August sees a milder range, with minimums around 6°C (43°F) and highs peaking at 24°C (75°F), averaging 15°C (59°F). May experiences less precipitation, totaling 86 mm (3.4 in) over roughly 15 days, compared to August, which is significantly wetter with 158 mm (6.2 in) over 22 days. Additionally, humidity levels are slightly higher in August at 86%, compared to 83% in May, reflecting the more humid conditions typical of late summer. For more detailed insights into the weather patterns during this time, you can visit Sligo weather in August.

In comparing the weather of May and September, both months exhibit mild temperatures but with subtle differences. May sees a minimum temperature of -1°C (31°F) and an average of 11°C (53°F), peaking at 25°C (77°F). In contrast, September has slightly higher minimum and average temperatures, with lows of 2°C (36°F) and an average of 13°C (55°F), maxing out at 24°C (76°F). Additionally, September experiences more precipitation, totaling 106 mm (4.2 in) over 18 days, compared to May's 86 mm (3.4 in) across 15 days. Humidity levels are also slightly higher in September at 87%, compared to 83% in May. For more detailed information, check out Sligo weather in September.

May and October exhibit distinct weather patterns, making each month unique. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm average of 11°C (53°F), peaking at 25°C (77°F). The month sees 86 mm of precipitation over 15 days, with humidity around 83%. In contrast, October experiences slightly cooler temperatures, with a minimum of 0°C (32°F), an average of 10°C (51°F), and a maximum of 20°C (68°F). It also brings more rain, with 131 mm over 20 days, and humidity increases to 87%. For more detailed insights, check Sligo weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a chilly -1°C (31°F) to a pleasant 25°C (77°F), with an average of 11°C (53°F). The month sees about 86 mm (3.4 in) of precipitation over 15 days, accompanied by a relatively high humidity of 83%. In comparison, November brings cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging just 8°C (46°F). This month experiences more precipitation, totaling 115 mm (4.5 in) over 19 days, while humidity slightly increases to 88%. For a more detailed look at weather conditions during this time, check out Sligo weather in November.

May and December present distinct contrasts in weather. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (77°F), making it generally milder with an average of 11°C (53°F). The month experiences around 86 mm (3.4 in) of precipitation over approximately 15 days, while humidity hovers around 83%. In contrast, December is cooler, with temperatures dipping slightly lower—averaging 6°C (44°F) and peaking at only 13°C (55°F). Additionally, December sees more precipitation at 119 mm (4.7 in) spread across about 20 days, and humidity remains high at 84%. For more details on December's weather, you can explore Sligo weather in December.

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Conclusion: What to Expect From May Weather in Sligo

As May arrives in Sligo, the weather begins to warm up significantly compared to the cooler months, with an increase in average temperatures and a vibrant feel in the air. While mild days can reach a comfortable 25°C, the nights still have a chill with temperatures dipping to -1°C. The month is also characterized by frequent rainfall, totaling about 86 mm and occurring on about 15 days, making it one of the wetter times of the year. The generally high humidity of 83% adds to the lush, green scenery that the region is famous for. This transitional weather highlights Sligo’s unique climate, making it a fascinating time to experience the beauty of the landscape in bloom. For a more detailed overview, check out Sligo Climate.