May Weather in Holyhead, United Kingdom

Last updated: March 17, 2025

May in Holyhead, United Kingdom ushers in a mild transition from spring to summer, characterized by a maximum temperature of 22°C (72°F) and an average of 11°C (53°F). While the month offers warmer days, it also brings a touch of unpredictability with about 58 mm (2.3 in) of precipitation spread over 11 days. This leads to an overall humidity level of 79%, creating a refreshing but somewhat damp atmosphere. Visitors and locals alike should be prepared for both sun-kissed afternoons and drizzly moments, making this month a unique experience in Holyhead's climatic tapestry.

May Temperature in Holyhead

In May, Holyhead, United Kingdom, experiences a delightful shift in temperatures that heralds the arrival of spring's warmth. The month opens with a minimum temperature of around 3°C (38°F), while the average creeps up to a pleasant 11°C (53°F). By midday, residents can enjoy warmer conditions, peaking at a maximum of 22°C (72°F), making it one of the warmest months so far. This gradual warming trend from the cooler months of April and March indicates a delightful transition, inviting locals and visitors alike to bask in the emerging sunshine. May truly stands out as a time of rejuvenation, where the landscape comes alive under increasingly bright skies and the temperatures are just right for outdoor adventures.

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

The chart illustrates May temperature patterns in Holyhead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454546485257606058555047
Data source: Temperature data for Holyhead 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 Holyhead

In May, Holyhead experiences a moderate precipitation pattern, with 58 mm (2.3 inches) of rain falling over 11 days. This represents a slight increase from April's drier conditions, which saw just 50 mm of rain over 10 days. May serves as a bridge between the cooler, wetter months of early spring and the wetter summer months ahead, showcased by a gradual rise in rainfall as the year progresses. June, for instance, sees an uptick to 80 mm across 13 days, hinting at the onset of more consistent rain as temperatures rise. Overall, May's weather is characterized by a balanced mix of showers, allowing the lush greenery of Holyhead to flourish while maintaining a relatively pleasant atmosphere for outdoor activities.

May Precipitation Trends in Holyhead

The chart displays monthly precipitation patterns in Holyhead, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81106101505880669797151145151
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Holyhead

As spring transitions into summer, May in Holyhead, United Kingdom, brings a noticeable drop in humidity, settling at a comfortable 79%. This shift marks a significant change from the wetter months earlier in the year, where humidity levels hovered above 80%. Following April's slightly damp 84%, May presents a refreshing reprieve, allowing for pleasant outdoor experiences. Interestingly, this lower humidity in May continues the trend into the summer months, with July recording a touch drier at 78%. Overall, as we move into May, Holyhead showcases a balance of refreshing breezes and milder humidity, perfect for enjoying the beauty of its coastal landscapes.

May Average Humidity in Holyhead

This chart illustrates the average monthly humidity levels in Holyhead, 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%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Holyhead

As May arrives in Holyhead, the UV Index escalates to 7, marking the beginning of a higher risk period for sun exposure. This places the exposure category at high, with a burn time of only 25 minutes for unprotected skin. Compared to earlier months, where the index hovered between 1 and 5, May's increase signifies a notable shift towards sunnier days and stronger UV rays. It's crucial to remain vigilant as we transition into the summer months, particularly with the impending spike to a very high UV Index in June and July. Those planning outdoor activities should prioritize sun protection strategies now more than ever. For more details on UV patterns throughout the year, visit Holyhead UV Index.

Maximum UV Index Levels in Holyhead for May

The chart shows the monthly maximum UV Index (UVI) for Holyhead 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Holyhead 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 Holyhead

In Holyhead, United Kingdom, May shines as a highlight in the annual sunshine calendar, boasting an impressive 414 hours of sunshine. This surge comes on the heels of a gradual increase from 335 hours in April, showcasing a delightful transition into late spring. As the days grow longer, the warmth of the May sun creates an inviting atmosphere, ideal for outdoor activities and exploring the stunning coastal scenery. Following May, sunshine hours slightly dip to 404 hours in June and peak again in July, reflecting a vibrant seasonal rhythm. The overall trend highlights a steady climb in sunshine hours from winter’s gloom in January, which only sees 91 hours, all the way to the sun-kissed days of summer, solidifying May as a truly radiant month for locals and visitors alike.

Monthly Sunshine Duration in Holyhead: May Highlighted

The May sunshine duration represents the total number of hours Holyhead 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h158h225h335h414h404h417h377h312h237h127h109h
Data source: Holyhead May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Holyhead During May

In Holyhead, United Kingdom, May brings a 36% chance of sunny weather, marking a noticeable increase from the earlier months. This modest uptick follows a 48% likelihood of sunshine in April, showcasing a brief peak before the weather begins to mellow out again. Interestingly, as the year progresses from the vibrant spring month, June dips back down to 28%, echoing the lower chances seen in the summer months of July and August. Overall, while May offers a glimpse of brighter days, it ultimately serves as a transition period before the return of cloudier conditions.

Percentage of Sunny Days in May in Holyhead

The chart illustrates the percentage of sunny days in Holyhead 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 Holyhead experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%28%27%48%36%29%38%28%24%19%19%27%
Data source: Holyhead May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Holyhead in May

In Holyhead, United Kingdom, the transition from winter to summer is marked by a notable increase in daylight duration, with May enjoying a generous 15 hours of sunlight. This month stands as a vibrant threshold between spring and summer, following April's 14 hours and leading into June's peak of 16 hours. As the days progressively lengthen from January’s mere 8 hours, a rhythm of increasing light emerges, enriching the ambiance and activating the lively spirit of the seaside town. By the end of summer in August, daylight begins its gradual retreat, yet the decrease is mild, dropping to 14 hours. This pattern beautifully illustrates the ebb and flow of seasons, where each month's daylight illuminates the evolving landscape and the enrichment of daily life in Holyhead.

Average Daylight Hours in Holyhead for May

The chart illustrates the variation in daylight duration in Holyhead throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 53m16h 21m14h 40m12h 37m10h 30m8h 36m7h 35m
Data source: Holyhead daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Holyhead

In Holyhead, the breezy month of May brings a gentle shift in wind dynamics with an average speed of 5.4 m/s (12 mph), slightly higher than the previous month but significantly calmer than the earlier months of the year. Following the blustery start to the year, where January and February saw winds reaching up to 8.2 m/s (18 mph), there’s a noticeable downward trend leading into spring. April's winds further calmed to 4.5 m/s (10 mph), hinting at the mild weather that May typically ushers in. As we move toward the summer months, the winds in Holyhead display a softening pattern, with July dipping to its lowest average of the year at 3.7 m/s (8 mph), offering a peaceful maritime experience that contrasts sharply with the more vigorous gales of autumn and winter.

Average May Wind Speed in Holyhead

The chart displays monthly wind speed patterns in Holyhead, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.88.26.94.55.4 m/s5.23.75.14.57.87.17.2
Data source: Holyhead May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Holyhead Compares to Other Months

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

In comparing the weather of May and January, it's clear that May offers milder and more pleasant conditions overall. During May, temperatures range from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), with an average of 11°C (53°F). In contrast, January experiences cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 14°C (57°F), averaging just 7°C (46°F). While both months see some precipitation, January has slightly more, with 81 mm (3.2 in) over 13 days compared to May's 58 mm (2.3 in) over 11 days. Additionally, January's humidity is higher at 89%, compared to May's 79%. For more detailed information, check Holyhead weather in January.

When comparing the weather in May and February, noticeable differences emerge in temperature and precipitation. May boasts a milder climate with average temperatures ranging from a minimum of 3°C (38°F) to a comfortable maximum of 22°C (72°F), combined with 58 mm (2.3 in) of precipitation over approximately 11 days and a humidity level of 79%. In contrast, February presents cooler conditions, with average temperatures fluctuating between 0°C (32°F) and 15°C (59°F). This month experiences higher precipitation at 106 mm (4.2 in) over 17 days and a slightly elevated humidity of 88%. For more detailed insights, check out Holyhead weather in February.

Comparing the weather in May and March reveals a significant shift as spring progresses into early summer. In May, temperatures are noticeably milder, with a minimum of 3°C (38°F) and an average of 11°C (53°F), peaking at 22°C (72°F). This contrasts with March, where the temperatures are colder, ranging from a minimum of -3°C (26°F) to a maximum of 15°C (60°F) with an average of 8°C (46°F). While May experiences less precipitation at 58 mm (2.3 in) over 11 days, March is wetter with 101 mm (4.0 in) of rain falling over 17 days. Additionally, March has a higher humidity level of 86%, compared to May's 79%. For a more detailed look at March conditions, you can check Holyhead weather in March.

In comparing the weather between April and May, we see a noticeable increase in temperature during May. The minimum temperature remains the same at 3°C (38°F), but the average temperature rises to 11°C (53°F), peaking at 22°C (72°F). In contrast, April features a lower average temperature of 9°C (49°F) with a maximum of only 19°C (67°F). Additionally, while precipitation levels are slightly higher in May at 58 mm (2.3 in) over 11 days, April records a total of 50 mm (2.0 in) over 10 days. Humidity is marginally lower in May at 79% compared to 84% in April. For more detailed information on April's weather conditions, check out Holyhead weather in April.

In May, the weather is characterized by cooler temperatures, with a minimum of 3°C (38°F), an average of 11°C (53°F), and a maximum of 22°C (72°F). The month brings 58 mm (2.3 in) of precipitation over approximately 11 days and has a humidity level of 79%. In contrast, June sees a noticeable increase in warmth, featuring a minimum temperature of 9°C (48°F), an average of 14°C (57°F), and a maximum of 24°C (75°F). Rainfall rises to 80 mm (3.2 in) over 13 days, while humidity remains slightly higher at 81%. For more detailed information about weather patterns in June, visit Holyhead weather in June.

In May, the weather is generally cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F) and an average of 11°C (53°F). This month experiences around 58 mm (2.3 in) of precipitation over 11 days, accompanied by a high humidity level of 79%. In contrast, July brings warmer conditions, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 24°C (75°F), averaging 15°C (60°F). Precipitation increases slightly to 66 mm (2.6 in) over 12 days, while humidity remains relatively stable at 78%. For more details on July weather, visit Holyhead weather in July.

May and August present distinct weather patterns, marking a transition from spring to summer. In May, temperatures range from a cool minimum of 3°C (38°F) to a pleasant maximum of 22°C (72°F), with an average of 11°C (53°F). The month experiences moderate precipitation, totaling 58 mm (2.3 in) over about 11 days, and maintains a humidity level of 79%. In contrast, August is generally warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (75°F), and an average temperature of 16°C (61°F). However, it also sees increased rainfall, accumulating 97 mm (3.8 in) across 17 days, while humidity remains steady at 79%. For more specific details about August weather, you can refer to Holyhead weather in August.

May and September present distinct weather characteristics as the seasons transition. In May, temperatures range from a cool minimum of 3°C (38°F) to a pleasant maximum of 22°C (72°F), with an average of 11°C (53°F). The month sees approximately 58 mm (2.3 in) of rain over about 11 days, contributing to a humidity level of 79%. Conversely, September experiences warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 24°C (76°F), averaging 15°C (59°F). However, this month also brings increased precipitation, totaling around 97 mm (3.8 in) over 14 days, and slightly higher humidity at 85%. For more details, you can check out the Holyhead weather in September.

When comparing the weather in May and October, both months start with similar minimum temperatures around 3°C (38°F), but May sees higher average and maximum temperatures, peaking at 22°C (72°F) compared to October's maximum of 20°C (68°F). May also has less precipitation overall, with 58 mm (2.3 in) falling over 11 days, while October experiences significantly more rain—151 mm (6.0 in) over 19 days—making it a wetter month. The humidity in October is notably higher at 90%, compared to May's 79%, leading to a different overall feel in the atmosphere. For more details on October weather, you can visit Holyhead weather in October.

May and November present quite different weather patterns. In May, temperatures typically range from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), with an average of 11°C (53°F). The month sees about 58 mm (2.3 in) of precipitation over 11 days, and humidity levels hover around 79%. In contrast, November is noticeably cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 15°C (60°F) and an average of 10°C (50°F). This month experiences significantly higher precipitation at 145 mm (5.7 in) over 21 days, accompanied by increased humidity at 91%. For detailed insights into November, you can refer to Holyhead weather in November.

In May, temperatures in Holyhead range from a minimum of 3°C (38°F) to a comfortable maximum of 22°C (72°F), with an average temperature of 11°C (53°F). The month sees a moderate amount of precipitation at 58 mm (2.3 in) over 11 days and has a relatively low humidity level of 79%. In contrast, December weather is much cooler, with temperatures fluctuating from a minimum of 3°C (37°F) to a maximum of 13°C (56°F), averaging around 8°C (48°F). This month is notably wetter, receiving 151 mm (5.9 in) of rain over 21 days, and the humidity rises to 89%, making it feel significantly damp. For more detailed information on December conditions, refer to Holyhead weather in December.

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Conclusion: What to Expect From May Weather in Holyhead

As we transition into May, Holyhead experiences a refreshing shift in weather compared to the cooler, wetter months prior. With temperatures rising significantly, the warmest days can reach a comfortable 22°C, inviting residents and visitors alike to revel in the blossoming beauty of spring. However, the average temperature holds steady around 11°C, and the minimum can dip to 3°C, reminding us that cool nights are still a part of May's charm. While precipitation averages at 58 mm over 11 rainy days, the overall humidity of 79% can create a humid yet invigorating atmosphere. For more insights into the year's weather patterns, visit Holyhead Climate.