Last updated: March 17, 2025
Experience the vibrant May weather in Shannon, Ireland, where the maximum temperatures can reach a delightful 25°C (77°F), providing an inviting ambiance for outdoor activities. With an average temperature settling around 12°C (53°F) and dipping to a minimum of 0°C (32°F), residents and visitors alike can enjoy the refreshing crispness of spring. While May brings 72 mm (2.8 in) of precipitation over approximately 13 days, the high humidity level of 83% adds a lush richness to the landscape. Embrace the charm of Shannon as it transforms into a picturesque haven perfect for exploration and leisure under the May sunshine.
In May, Shannon, Ireland begins to embrace the warmth of spring, showcasing a delightful range of temperatures that mark a transition into summer. With minimum temperatures soaring to 0°C (32°F) and averages reaching 12°C (53°F), the month offers a welcome relief from the chill of previous months. The highlight is undoubtedly the maximum temperatures, peaking at a pleasant 25°C (77°F), creating perfect conditions for outdoor activities and exploration. As the days lengthen and the sun shines brighter, May stands out as a vibrant month that ushers in the lush greenery and blooming landscapes that Ireland is renowned for, providing a refreshing contrast to the colder months of the year.
In May, Shannon experiences a moderate level of precipitation, totaling 72 mm (2.8 in) over 13 days. This marks a slight increase from the drier month of April, which recorded only 58 mm (2.3 in), indicating a return to more typical spring conditions. The precipitation in May is consistent with the trend of variable rainfall, as it sits comfortably between the heavier downpours of February and the slightly drier summer months that follow. While May may not be the wettest month in Shannon, the steady rainfall contributes to the lush green landscapes the region is known for, making it a picturesque time to visit. The pattern of rainfall lays the groundwork for the traditionally wetter months ahead in summer, suggesting a balance between mild spring weather and the impending summer showers.
In Shannon, Ireland, May marks a slight dip in humidity, averaging 83%, which is part of a gradual decrease from the wetter winter months. January and February boast high humidity levels of 88%, reflecting the region's characteristic dampness, while March and April see a subtle decline to 87% and 86%, respectively. As spring transitions into summer, the humidity stabilizes in June and July, maintaining that same 83% level, suggesting a more temperate atmosphere. Interestingly, the humidity begins to rise again in late summer and fall, with September's levels returning to 88%. This pattern showcases the dynamic but predictable shifts in humidity throughout the year, with May serving as a transitional month before the wetter autumn sets in.
As we move into May in Shannon, Ireland, the UV Index reaches a notable 7, marking the transition to a high exposure category with a burn time of just 25 minutes. This increase signals a significant rise in UV radiation compared to earlier months, where readings lingered below 5. It’s a reminder for residents and visitors to be proactive about sun protection, especially as the days grow longer and sunnier. Following May, the UV Index peaks in June and July at 8, intensifying the need for sun safety. As the season progresses, it’s essential to stay informed about UV levels, and you can find detailed insights here: Shannon UV Index.
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May shines brightly in Shannon, Ireland, serving as a delightful prelude to summer with an impressive 382 hours of sunshine. This vibrant month stands out, showcasing a significant increase from the previous months, such as April's 292 hours and March's 179 hours. The trend continues into June and July, where sunshine remains abundant, although slightly fewer hours are recorded—367 and 373 hours respectively. May's sunshine serves as an invitation for outdoor adventures, blooming landscapes, and community gatherings, heralding the joy of long, sunlit days. This gradual rise in daylight not only enriches the beauty of the region but also invigorates the spirit of its inhabitants, marking May as a truly radiant month in Shannon.
In Shannon, Ireland, the likelihood of experiencing sunny weather sees a noticeable peak in April, with a promising 45% chance of sunshine. As spring transitions into early summer, May offers a moderate 30% chance of sunny days, suggesting a gradual increase in brightness compared to earlier months like January and February, which hover around 29% and 21% respectively. However, this favorable trend is somewhat sporadic, as the percentages dip again during the summer months of June and July, reaching 19% and 25%. Thus, while May holds some promise for sun seekers, it remains part of a variable climate that keeps visitors guessing about when the sun might emerge in this charming region.
As spring unfolds into summer, Shannon, Ireland, experiences a delightful increase in daylight duration. Starting with a modest 8 hours in January, the days gradually lengthen, reaching 15 hours by May. This trend reflects a notable shift as nature awakens, with April bringing 13 hours of sunshine and March showcasing 11 hours of daylight. The peak arrives in June and July, where the sun reigns for an impressive 16 hours, inviting long evenings filled with warmth and outdoor activities. However, as autumn approaches, the daylight begins its gradual retreat, falling to 12 hours in September and further dwindling to 8 hours by November, creating a contrast that marks the seasonal transitions. The rhythm of light and dark in Shannon mirrors the natural cycles, offering a unique charm throughout the year.
In Shannon, Ireland, the winds of May blow with an average speed of 3.6 m/s (8 mph), mirroring the gentle breezes seen in January. This consistency hints at a transitional period as spring draws to a close, welcoming the lush vibrancy of summer. Interestingly, the data reveals a decline in wind speed leading into the warmer months, particularly notable in July, when the average dips to 2.6 m/s (6 mph). Conversely, the winds pick up again with the arrival of autumn, particularly in October, where they swell to 3.9 m/s (9 mph). Overall, the wind patterns in Shannon reflect a seasonal rhythm, with lighter breezes during summer and a gradual increase as the year winds down, creating a dynamic and ever-changing atmospheric experience.
The weather in Shannon 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 Shannon and find detailed weather information for every month.
In comparing the weather of May and January, May offers a much milder temperature range, with minimums of 0°C (32°F), averaging 12°C (53°F), and maximums reaching 25°C (77°F). The month experiences less precipitation than January, with 72 mm (2.8 in) falling over 13 days and a humidity level of 83%. In contrast, January is colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and a slightly higher precipitation total of 75 mm (3.0 in), also across 13 days, but with higher humidity at 88%. For a more detailed look at January weather, you can visit Shannon weather in January.
When comparing the weather in May and February, it's evident that May tends to be significantly warmer and drier. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 25°C (77°F), with an average of 12°C (53°F), while February experiences colder temperatures, ranging from -3°C (27°F) to a maximum of 15°C (60°F) and averaging just 6°C (44°F). Additionally, May has lower precipitation, with 72 mm (2.8 in) over 13 days, compared to February’s 121 mm (4.8 in) spread over 18 days. Humidity levels are also slightly lower in May at 83% versus February's 88%, making May feel more comfortable overall. For more detailed insights on February weather, check out Shannon weather in February.
In comparing the weather between March and May, it's evident that May brings more pleasant conditions overall. While March experiences colder temperatures with a minimum of -6°C (21°F) and an average of 7°C (45°F), May's temperatures range from a minimum of 0°C (32°F) to an average of 12°C (53°F). Additionally, May boasts a much warmer maximum temperature of 25°C (77°F), compared to March's high of 17°C (63°F). However, March has slightly higher precipitation, with 105 mm (4.1 in) over 17 days, whereas May sees 72 mm (2.8 in) spread across 13 days. Humidity is also marginally lower in May at 83% compared to March's 87%. For a detailed look at March weather, you can check out Shannon weather in March.
In comparing the weather between April and May, notable differences emerge. April experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (48°F), while May sees a slight uplift, with a minimum of 0°C (32°F) and an average of 12°C (53°F). The maximum temperatures also rise from April's peak of 21°C (70°F) to May's 25°C (77°F). In terms of precipitation, May receives slightly more rain at 72 mm (2.8 in) over 13 days, compared to April's 58 mm (2.3 in) across 12 days. Humidity levels are marginally lower in May at 83%, compared to 86% in April. For a more detailed look at April's weather, you can visit Shannon weather in April.
May and June both exhibit mild temperatures, but June generally feels warmer, with average temperatures rising from 12°C (53°F) in May to 14°C (58°F) in June. The maximum temperature increases notably in June, reaching up to 30°C (86°F) compared to May’s 25°C (77°F). Precipitation levels remain similar, with May recording 72 mm (2.8 in) over 13 days and June slightly more at 71 mm (2.8 in) spread across 15 days. Both months share a consistent humidity level of 83%, contributing to a pleasant yet damp atmosphere. For more detailed insights on June weather, check out Shannon weather in June.
In May, temperatures range from a chilly 0°C (32°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (53°F). The month sees about 72 mm (2.8 in) of precipitation over 13 days and experiences a high humidity level of 83%. In contrast, July offers warmer temperatures, with a minimum of 7°C (44°F), an average of 16°C (61°F), and a maximum of 29°C (84°F). Despite slightly higher precipitation at 79 mm (3.1 in) over the same number of rainy days, humidity increases just slightly to 85%. For more detailed insights about July's weather, you can check out Shannon weather in July.
In comparing the weather between May and August, several notable differences emerge. May generally showcases milder temperatures, with an average of 12°C (53°F) and a maximum of 25°C (77°F), whereas August presents slightly warmer conditions with an average of 15°C (59°F) and a maximum of 24°C (76°F). However, August experiences more precipitation, totaling 126 mm (5.0 in) over 19 days, compared to May's 72 mm (2.8 in) across 13 days. Humidity levels remain relatively constant, with May at 83% and August slightly higher at 85%. For more details, you can check Shannon weather in August.
May and September exhibit similar temperature ranges, with May experiencing an average of 12°C (53°F) compared to September's slightly warmer average of 13°C (56°F). Both months have maximum temperatures peaking at around 25°C (77°F) to 26°C (80°F). However, September tends to be wetter, with a total precipitation of 91 mm (3.6 in) over 16 days, compared to May's 72 mm (2.8 in) across 13 days. Additionally, humidity levels are higher in September at 88%, compared to May's 83%. For a more detailed look at September weather, you can check Shannon weather in September.
May and October present distinct weather contrasts, with temperatures in May ranging from a chilly 0°C (32°F) to a pleasant high of 25°C (77°F) and an average of 12°C (53°F). In contrast, October experiences cooler temperatures, peaking at 19°C (67°F) and averaging around 11°C (51°F), while maintaining a minimum of 0°C (32°F). Precipitation is more pronounced in October, with 106 mm (4.2 in) falling over 16 days compared to May's 72 mm (2.8 in) over 13 days. Additionally, humidity levels rise in October to 91%, compared to May's 83%. For more details, you can check Shannon weather in October.
May and November present distinct contrasts in weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant high of 25°C (77°F) during the day, with an average of 12°C (53°F). The month sees about 72 mm (2.8 in) of precipitation spread over 13 days and a humidity level of 83%, offering a refreshing spring atmosphere. In contrast, November features colder temperatures, with lows reaching -2°C (28°F) and highs averaging at 16°C (61°F), resulting in an average temperature of 8°C (46°F). Precipitation increases to 98 mm (3.8 in) over 16 days with a higher humidity level of 92%, which can create a more overcast and damp environment. For more details on November's weather, visit Shannon weather in November.
In comparing the weather of May and December, it is evident that December is considerably colder, with average temperatures ranging from -3°C (27°F) to 14°C (57°F), compared to May's milder range of 0°C (32°F) to 25°C (77°F). December also experiences more precipitation, totaling 123 mm (4.8 in) over 18 days, while May receives 72 mm (2.8 in) over 13 days. Additionally, December's humidity is slightly higher at 89% compared to May's 83%. For more detailed insights, you can visit Shannon weather in December.
In May, Shannon's weather transitions into a more temperate embrace, with pleasant warmth that starts to elevate the overall climate, marking a shift from the chill of early spring. The average temperature rises significantly, making outdoor activities more inviting, while the humidity levels hover around a comfortable 83%, contributing to a luscious, green landscape. While precipitation remains noticeable with about 13 days of light rain, it tends to be less than the wetter months, allowing for ample sunshine to peek through the clouds. Overall, May stands out as a vibrant month of renewal, setting the stage for the sunny days of summer ahead. For further insights, check out Shannon Climate.