May Weather in Gaillimh, Ireland

Last updated: March 17, 2025

May in Gaillimh, Ireland showcases a dynamic climate, where temperatures can soar to a maximum of 25°C (78°F), inviting the warmth of spring, while the average rests comfortably at 12°C (53°F). However, the minimum can dip to -1°C (31°F), reminding us of the unpredictable nature of Irish weather. With precipitation totaling 70 mm (2.8 in) over 13 days, April showers make their way into May, contributing to the lush greenery that the region is famous for. Coupled with high humidity levels of 83%, this month presents a rich blend of mild warmth and refreshing rain, encapsulating the unique charm of Gaillimh’s springtime.

May Temperature in Gaillimh

In Gaillimh, Ireland, the temperatures in May mark a delightful transition into spring, showcasing a notable warming trend compared to the preceding months. With a minimum temperature of -1°C (31°F) and a pleasant average of 12°C (53°F), the month begins to shake off the chill of winter. The maximum temperatures soar to a balmy 25°C (78°F), providing ample opportunity for outdoor activities and the blooming of local flora. This significant uptick from the cooler April averages signals that summer is just around the corner, making May an inviting time for both residents and visitors to enjoy the beauty of Gaillimh.

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

The chart illustrates May temperature patterns in Gaillimh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485357605956514645
Data source: Temperature data for Gaillimh 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 Gaillimh

In Gaillimh, Ireland, May typically sees a moderate precipitation total of 70 mm (2.8 in) over about 13 days, fitting seamlessly into the city's wet weather pattern. This month represents a slight increase from April's lower 63 mm (2.5 in), suggesting a transition into the lush greenery of late spring. Although May experiences fewer rain days than the wetter months of January and February, it still contributes significantly to the annual rainfall, aligning with the trend of variability throughout the year. As summer approaches, one can expect the precipitation levels to rise gradually, paving the way for the more humid months ahead while still cherishing the refreshing spring showers.

May Precipitation Trends in Gaillimh

The chart displays monthly precipitation patterns in Gaillimh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec77127104637183851238211394110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gaillimh

In Gaillimh, Ireland, May welcomes a gentle easing in humidity, with levels dropping to 83%. This marks a noticeable decline from the winter months, where humidity hovers above 88%. As the year progresses into summer, humidity remains stable at 83% in June before rising slightly again in July and August, reaching 85%. This subtle fluctuation underscores the transitional nature of May, where the air begins to feel a bit lighter, heralding the approach of more temperate summer days. However, as autumn sets in, humidity levels rise again, reminding us of the ever-present moisture in this enchanting region.

May Average Humidity in Gaillimh

This chart illustrates the average monthly humidity levels in Gaillimh, 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 Gaillimh

As spring blossoms into summer, May in Gaillimh, Ireland, marks a notable shift in UV exposure, with the UV Index rising to 7, categorized as high. This is a significant increase from the moderate levels observed in March and April, reflecting a growing intensity of sunlight and a reduced burn time of just 25 minutes. As outdoor activities become more enticing, it's essential to take precautions against sun exposure, especially as the UV Index will continue to climb through June and July. By recognizing these trends, residents can enjoy the sunny days safely. For more details on the UV Index throughout the year, visit Gaillimh UV Index.

Maximum UV Index Levels in Gaillimh for May

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

As spring gracefully transitions into summer, May stands out in Gaillimh, Ireland, boasting an impressive 396 hours of sunshine—the highest of the year. This month symbolizes the peak of daylight hours following a steady upward trend from the meager 74 hours in January. By April, the sunshine begins to truly shine through with 315 hours, heralding the vibrancy of late spring. Although June and July maintain an abundance of sunshine with 382 and 383 hours respectively, they see a slight drop from May's brilliance, yet still eclipse earlier months like August and September, which taper off into 335 and 284 hours of sunshine. This fluctuation in sunlight showcases Gaillimh's enchanting seasonal rhythm, where May's luminous days invite residents and visitors to revel in the blossoming beauty of Irish landscapes.

Monthly Sunshine Duration in Gaillimh: May Highlighted

The May sunshine duration represents the total number of hours Gaillimh 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.
JanFebMarAprMayJunJulAugSepOctNovDec74h133h184h315h396h382h383h335h284h220h116h92h
Data source: Gaillimh May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gaillimh During May

In Gaillimh, Ireland, the likelihood of sunny weather in May stands at 34%, reflecting a gradual improvement as spring unfolds. This represents a notable increase from April's 43% sunshine chance, which typically heralds the arrival of more favorable weather. However, May's probability remains less than the brighter months of the year, with June showing just a 17% chance. The month is caught in a transitional phase, fluctuating between the promising early spring and the often-overcast summer. Overall, as May approaches, residents can anticipate a moderate chance of sun, making it a delightful time to enjoy the emerging greenery, even if sunshine isn't guaranteed.

Percentage of Sunny Days in May in Gaillimh

The chart illustrates the percentage of sunny days in Gaillimh 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 Gaillimh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%20%15%43%34%17%26%22%15%17%25%17%
Data source: Gaillimh May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gaillimh in May

As spring transitions into summer in Gaillimh, Ireland, daylight hours significantly increase, offering residents and visitors alike the chance to bask in the sun's warm glow. In May, daylight reaches a delightful 15 hours, a clear step up from the previous months. This trend of lengthening days begins in February with 9 hours and escalates throughout April, where the arrival of longer evenings starts to hint at the summertime bliss that awaits. By June and July, daylight peaks at an impressive 16 hours, showcasing the vibrant energy of the season. However, as summer wanes, a gradual decline into shorter days becomes evident, with August bringing 14 hours and September reducing to 12. As the year progresses, the rhythm of daylight ebbs and flows, reminding us of the cyclical beauty of nature in this enchanting part of Ireland.

Average Daylight Hours in Gaillimh for May

The chart illustrates the variation in daylight duration in Gaillimh throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 9m9h 50m11h 54m14h 1m15h 52m16h 51m16h 19m14h 39m12h 36m10h 31m8h 38m7h 36m
Data source: Gaillimh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Gaillimh

In May, Gaillimh, Ireland experiences a gentle return of spring breezes, with an average wind speed of 3.8 m/s (8 mph). This marks a continuation of the milder winds seen in January and a slight drop from more invigorating gusts in February and March, which peaked at 5.5 m/s (12 mph). As the month unfolds, the winds remain fairly consistent, providing a refreshing atmosphere perfect for outdoor activities. Interestingly, the prevailing winds in May are in line with those in April and June, emphasizing a trend of calmness that characterizes the early summer months in this charming coastal city. Overall, May’s breezy but gentle conditions foster a delightful ambiance, making it an ideal time for locals and visitors alike to explore Gaillimh’s vibrant landscape.

Average May Wind Speed in Gaillimh

The chart displays monthly wind speed patterns in Gaillimh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.85.54.63.43.8 m/s3.62.63.43.44.24.14.6
Data source: Gaillimh May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Gaillimh Compares to Other Months

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

In comparing the weather of May and January, it's clear that May offers a more pleasant experience, with average temperatures reaching around 12°C (53°F) and highs soaring up to 25°C (78°F). In contrast, January tends to be much colder, with average temperatures around 6°C (43°F) and maximums only peaking at 14°C (58°F). Both months see comparable levels of precipitation, with May receiving 70 mm (2.8 in) over 13 days and January slightly higher at 77 mm (3.0 in) over 12 days. However, January's higher humidity of 88% compared to May's 83% can make the colder temperatures feel even more brisk. For a detailed look at January's weather, you can visit Gaillimh weather in January.

When comparing the weather in May and February, it's evident that May offers a significantly milder climate, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 25°C (78°F). In contrast, February is cooler, with temperatures ranging from a low of -4°C (26°F) to a high of 16°C (60°F). Precipitation levels are also notable; May receives 70 mm (2.8 in) over 13 days, while February sees a higher total of 127 mm (5.0 in) across 16 days, indicating a wetter month. Additionally, humidity is slightly lower in May at 83%, compared to February's higher humidity of 88%. For more detailed weather insights about February, you can visit Gaillimh weather in February.

In comparing the weather patterns of May and March, it is evident that May experiences significantly warmer temperatures, with a minimum of 1°C (31°F), an average of 12°C (53°F), and a maximum of 25°C (78°F). In contrast, March is cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 18°C (64°F) and an average of only 7°C (45°F). While May sees a reduced precipitation level of 70 mm (2.8 in) spread over 13 days, March has higher rainfall at 104 mm (4.1 in) over 16 days. Additionally, May's humidity at 83% is slightly lower than March's 87%. For a closer look at the weather specifics for March, you can visit Gaillimh weather in March.

When comparing the weather between April and May, we see a noticeable warming trend. May experiences a minimum temperature of -1°C (31°F) and an average of 12°C (53°F), with a maximum reaching up to 25°C (78°F), making it generally warmer than April, which has a minimum of -2°C (28°F), an average of 9°C (49°F), and a maximum of 22°C (71°F). Additionally, May sees slightly more precipitation, with 70 mm (2.8 inches) over 13 days compared to April's 63 mm (2.5 inches) over 10 days. Humidity levels are also quite similar, with May at 83% and April slightly higher at 86%. For more detailed weather information, you can check Gaillimh weather in April.

May and June showcase a noticeable shift in weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (53°F). The month experiences approximately 70 mm (2.8 in) of precipitation over 13 days, maintaining a high humidity level of 83%.

By contrast, June typically sees a warmer climate, with temperatures fluctuating between a minimum of 4°C (40°F) and a maximum of 30°C (87°F), averaging 14°C (57°F). While June has slightly higher precipitation at 83 mm (3.3 in) over 15 days, humidity remains consistent at 83%. For more detailed information on the weather in June, check out Gaillimh weather in June.

In comparing the weather between May and July, we see a notable increase in temperatures. May experiences a minimum temperature of -1°C (31°F) and an average of 12°C (53°F), while July has a higher minimum of 6°C (43°F) and an average of 16°C (60°F). The maximum temperatures also rise, with May peaking at 25°C (78°F) compared to July's 29°C (85°F).

Precipitation levels are relatively close, with May receiving 70 mm (2.8 in) and July slightly higher at 85 mm (3.4 in), both experiencing rainfall on approximately 13 days. Humidity remains similar, at 83% in May and 85% in July, indicating a generally moist atmosphere throughout spring and summer. For more specific insights into July weather, you can check Gaillimh weather in July.

In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (53°F). The month experiences 70 mm (2.8 in) of precipitation over about 13 days, accompanied by high humidity at 83%. In contrast, August sees a slight increase in minimum temperatures at 6°C (44°F), with an average of 15°C (59°F) and a maximum of 24°C (75°F). However, precipitation rises significantly to 122 mm (4.8 in) spread over 18 days, while humidity remains similar at 85%. For more detailed information about the weather, you can check Gaillimh weather in August.

In comparing the weather between May and September, May generally features slightly cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 25°C (78°F), while September offers a minimum of 1°C (34°F) and a maximum of 26°C (80°F). The average temperature in May is 12°C (53°F), slightly lower than September's average of 13°C (56°F). Both months experience considerable humidity, with May at 83% and September slightly higher at 88%. Rainfall is also more pronounced in September, with 82 mm (3.2 in) expected over 14 days, compared to 70 mm (2.8 in) over 13 days in May. For more detailed September weather insights, check Gaillimh weather in September.

May tends to be warmer and drier compared to October, with average temperatures reaching around 12°C (53°F) and maximums peaking at 25°C (78°F). In contrast, October experiences slightly cooler temperatures, averaging 11°C (51°F) and with maximums of 20°C (68°F). Additionally, October is wetter, receiving 113 mm (4.4 in) of precipitation over 17 days, while May has only 70 mm (2.8 in) over 13 days. The humidity in October is also higher, at 91%, compared to May's 83%. For more specifics on October weather, you can check Gaillimh weather in October.

May and November exhibit notable differences in their weather patterns. May typically enjoys a milder climate with average temperatures around 12°C (53°F) and a maximum of 25°C (78°F), while November is cooler, averaging 8°C (47°F) and peaking at 15°C (60°F). Additionally, May experiences less precipitation, with 70 mm (2.8 in) over 13 days, compared to November's 94 mm (3.7 in) over 16 days. Humidity levels are higher in November, reaching 92%, while May sits at 83%. For more detailed information on November weather, visit Gaillimh weather in November.

May and December present notably different weather patterns, reflecting the transition from spring to winter. In May, temperatures range from a minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (53°F). The month experiences moderate precipitation of 70 mm (2.8 in) over approximately 13 days, accompanied by relatively high humidity at 83%. In contrast, December brings colder temperatures, with a minimum of -4°C (24°F) and a maximum of only 14°C (57°F), averaging around 7°C (45°F). Rainfall increases to 110 mm (4.3 in) over 17 days, and humidity rises slightly to 89%. For more detailed insights on December's weather, you can visit Gaillimh weather in December.

Compare Gaillimh's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Gaillimh

As spring unfolds in Gaillimh during May, the weather presents a delightful transition from the cooler months of early spring. With temperatures warming up significantly, the month showcases more pleasant days, allowing for outdoor activities amid the vibrant greenery. However, the average temperature still reflects a certain chill, reminding us of the unpredictable nature of Irish weather. It’s also a month where rainfall can be frequent, with several days of precipitation, keeping the landscape lush and vibrant. While the humidity remains high, the charm of May lies in its balance of sun and showers, making it a unique time to experience the beauty of Gaillimh. For a deeper understanding of the area's climate, visit Gaillimh Climate.