May Weather in Conwy, United Kingdom

Last updated: March 17, 2025

In Conwy, United Kingdom, May presents a blend of mild temperatures and varied weather conditions. The maximum temperature can soar to a pleasant 27°C (81°F), providing warmth for outdoor activities, while the average hovers around a cool 12°C (53°F). However, it’s important to prepare for the occasional chill, as temperatures can dip to a minimum of -1°C (31°F). Throughout the month, 71 mm (2.8 in) of rain falls over an average of 12 days, contributing to a humidity level of 79% that keeps the air feeling fresh. This mix of warmth and moisture enhances the lush landscapes of Conwy, making it a captivating destination during this transitional month.

May Temperature in Conwy

In May, Conwy experiences a delightful transition into warmer weather, with temperatures showcasing a notable upswing. The minimum temperature hovers around -1°C (31°F), indicating a fresh start to the month, while the average climbs to a comfortable 12°C (53°F). As the days progress, the maximum temperature can reach a delightful 27°C (81°F), making it one of the warmest months in the early part of the year. This increase from April’s relatively cooler temperatures reflects the region's emerging spring vibrancy, inviting both locals and visitors to enjoy outdoor activities amidst blooming landscapes. With such pleasant weather, May stands out as a perfect time to explore the scenic beauty of Conwy.

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

The chart illustrates May temperature patterns in Conwy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344485358616057524643
Data source: Temperature data for Conwy 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 Conwy

In Conwy, United Kingdom, May sees a continuation of the wet weather pattern typical of spring, with an average precipitation of 71 mm (2.8 in) over 12 days. This rainfall parallels the amounts recorded in January and demonstrates a consistent moisture level during this transitional month. While April experiences a lighter total of just 56 mm (2.2 in), May rebounds to match earlier winter statistics, hinting at the area's lingering rain as it heads into summer. Interestingly, the rainy days tend to decrease in frequency compared to the heavier months of March and February, suggesting a shift towards more variable weather as the season progresses. Overall, May’s precipitation embodies the quintessential British spring, with showers that keep the landscape lush and vibrant.

May Precipitation Trends in Conwy

The chart displays monthly precipitation patterns in Conwy, 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.
JanFebMarAprMayJunJulAugSepOctNovDec71929656719992969610791115
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Conwy

As spring transitions into summer, May in Conwy, United Kingdom, experiences a notable dip in humidity, averaging 79%. This reduction marks a significant change from the wetter winter months, when humidity peaks at an impressive 89% in January. The gradual decline from 84% in April suggests a trend toward slightly drier air, contributing to a more comfortable atmosphere as outdoor activities become increasingly appealing. While June sees a slight uptick to 81%, the overall pattern indicates that May can offer a refreshing reprieve from the more humid conditions that characterize the earlier months of the year.

May Average Humidity in Conwy

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

As May arrives in Conwy, United Kingdom, residents and visitors alike should be aware of the notable increase in UV exposure. With a UV Index of 7, categorized as high, this month marks a significant shift from the earlier spring months, where indices were considerably lower. As the sun shines brighter, the recommended burn time decreases to just 25 minutes, indicating the need for precautions against harmful UV rays. This trend suggests that as we transition into summer, the intensity of sunlight will progressively increase, highlighting the importance of sun safety. Stay informed and protect your skin during this vibrant month by checking out more details on the Conwy UV Index.

Maximum UV Index Levels in Conwy for May

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

As spring blossoms into summer in Conwy, United Kingdom, May shines brightly with an impressive 398 hours of sunshine, the highest for the year. This month marks a significant leap from April's 322 hours, showcasing nature's full embrace as days grow longer and warmer. Following a gradual increase from the winter months, where the sun barely graces the skies—offering only 88 hours in January—the steady climb in sunlight hours encapsulates a vibrant shift in seasons. June and July also bask in the sunshine, maintaining robust hours with 379 and 405 hours respectively, but it's May that truly heralds the sun's return, inviting all to celebrate the outdoors in its full glory.

Monthly Sunshine Duration in Conwy: May Highlighted

The May sunshine duration represents the total number of hours Conwy 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.
JanFebMarAprMayJunJulAugSepOctNovDec88h153h211h322h398h379h405h369h297h225h114h98h
Data source: Conwy May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Conwy During May

In Conwy, United Kingdom, May presents a 28% chance of sunny weather, which marks a slight dip from the 46% peak in April. This variability reflects the transition from spring to early summer, where sunshine becomes increasingly possible but is still tempered by the unpredictable British weather. Notably, the months surrounding May—such as March and June—show similar patterns, with 26% and 25% chances of sun, indicating a gradual shift towards more favorable conditions. As the season progresses, residents and visitors can look forward to the warmer long days of summer, even if May retains a hint of the typical capriciousness that characterizes spring in this picturesque coastal town.

Percentage of Sunny Days in May in Conwy

The chart illustrates the percentage of sunny days in Conwy 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 Conwy experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%24%26%46%28%25%35%24%20%18%20%19%
Data source: Conwy May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Conwy in May

In Conwy, United Kingdom, the transition from winter to summer reveals a beautiful progression in daylight hours, with May standing out as a notable peak. Beginning with just 8 hours of daylight in January, the days gradually lengthen, culminating in May with an impressive 15 hours of sunlight. This increase mirrors the escalating warmth and the blossoming of spring, as April contributes a significant jump to 14 hours. Following May, daylight begins to plateau, reaching its maximum of 16 hours in June and July before gently tapering off. This cyclical rhythm illuminates the vibrant contrasts of Conwy's seasons, highlighting how May serves as a perfect bridge into the full embrace of summer.

Average Daylight Hours in Conwy for May

The chart illustrates the variation in daylight duration in Conwy 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 37m7h 36m
Data source: Conwy daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Conwy

In May, Conwy experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph), offering a pleasant contrast to the previous months. Following a dip in wind intensity during April, this slight uptick allows for a refreshing atmosphere as spring unfolds. Although May’s winds are softer than the peak observed in February at 5.0 m/s (11 mph), they still provide a comfortable backdrop for outdoor activities. The trend of gradually decreasing wind speeds from early spring to summer culminates in the calmest month of July, making May a delightful transitional period before the winds settle into their summertime lull.

Average May Wind Speed in Conwy

The chart displays monthly wind speed patterns in Conwy, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.05.04.63.03.6 m/s3.12.43.32.94.74.34.4
Data source: Conwy May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Conwy Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), with an average of 12°C (53°F), while January's temperatures are cooler, with a range of -3°C (26°F) to 14°C (58°F) and an average of 5°C (42°F). Both months receive similar amounts of precipitation—71 mm (2.8 in)—though May experiences slightly fewer rainy days (12) compared to January's 13. Additionally, humidity levels are higher in January at 89%, compared to 79% in May, contributing to the colder feeling during the winter month. For more specifics on January weather, you can visit Conwy weather in January.

In comparing the weather of May and February, May generally offers milder conditions. With average temperatures ranging from a chilly 1°C (31°F) to a warm 27°C (81°F), it is markedly warmer than February's range of -5°C (24°F) to a maximum of 18°C (65°F). However, February experiences slightly higher precipitation, totaling 92 mm (3.6 in) over 15 days, compared to May's 71 mm (2.8 in) over 12 days. Additionally, February has higher humidity at 88% versus May's 79%. For more details on February weather specifically, you can check out Conwy weather in February.

In comparing the weather between March and May, it’s clear that May generally offers warmer and more pleasant conditions. While March typically has a lower average temperature of 7°C (44°F) compared to May’s average of 12°C (53°F), it also experiences colder minimum temperatures, dropping as low as -6°C (22°F). Additionally, May enjoys a higher maximum temperature of 27°C (81°F), which is significantly warmer than March’s maximum of 19°C (66°F). However, March tends to be wetter, with a precipitation total of 96 mm (3.8 in) over 16 days, compared to May’s 71 mm (2.8 in) over 12 days. Humidity levels are also slightly higher in March at 86%, compared to May's 79%. For more details on March weather, you can check Conwy weather in March.

In comparison to April, May brings a noticeable increase in average temperature and maximum highs. While April has an average temperature of 9°C (48°F) and peaks at 22°C (72°F), May enjoys a warmer average of 12°C (53°F) and can rise to a maximum of 27°C (81°F). Precipitation levels also rise slightly in May, with 71 mm (2.8 in) recorded over 12 days, compared to April's 56 mm (2.2 in) over 11 days. However, humidity remains high in both months, with May at 79% and April slightly higher at 84%. For more specifics, you can check out this link: Conwy weather in April.

In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), averaging around 12°C (53°F). The month experiences about 71 mm (2.8 in) of precipitation over approximately 12 days, with humidity levels at 79%. In contrast, June offers slightly warmer conditions with minimum temperatures of 6°C (42°F) and a similar maximum of 28°C (84°F), averaging 15°C (59°F). Rainfall increases to 99 mm (3.9 in), occurring over 13 days, and humidity rises marginally to 81%. For more detailed insights, you can check the weather specifics in Conwy weather in June.

In comparing the weather between May and July, May showcases a wider temperature range, with minimums dipping to -1°C (31°F) and maximums reaching 27°C (81°F). The average temperature of 12°C (53°F) indicates a cool spring, while 71 mm (2.8 in) of precipitation over 12 days suggests a relatively damp month, with humidity levels around 79%. In contrast, July experiences milder conditions with minimum temperatures starting at 7°C (44°F) and maximums peaking at 29°C (85°F). The average temperature rises to 16°C (61°F), and precipitation increases to 92 mm (3.6 in) over 16 days, although humidity levels slightly decrease to 78%. For more detailed information, you can visit Conwy weather in July.

May and August exhibit notable differences in weather patterns, despite having similar maximum temperatures. In May, temperatures range from a chilly minimum of -1°C (31°F) to an average of 12°C (53°F) and can reach a maximum of 27°C (81°F). The month experiences approximately 71 mm (2.8 in) of precipitation over about 12 days, with humidity at a relatively high 79%. In contrast, August sees warmer minimum temperatures starting at 7°C (45°F) and an average of 16°C (60°F), maintaining a maximum similar to May at 27°C (82°F). However, it is wetter, with 96 mm (3.8 in) of precipitation spread over 18 days, while humidity remains constant at 79%. For more detailed insights into August weather in Conwy, you can check Conwy weather in August.

May and September present diverse weather experiences, though both months can reach a maximum temperature of 27°C (81°F). In May, temperatures can drop to a minimum of -1°C (31°F) with an average of 12°C (53°F), while September starts slightly warmer with a minimum of 3°C (37°F) and an average of 14°C (57°F). Precipitation also sees an increase in September, with 96 mm (3.8 in) over 15 days compared to May's 71 mm (2.8 in) over 12 days. Humidity levels are higher in September, at 85%, compared to May's 79%, which can make the air feel a bit heavier. For a detailed look at September weather, you can visit Conwy weather in September.

May and October present contrasting weather patterns, with May generally featuring slightly warmer temperatures and less precipitation. In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 27°C (81°F), with an average of 12°C (53°F) and about 71 mm (2.8 in) of rainfall over 12 days. In contrast, October sees a drop in temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), yielding an average temperature of 11°C (52°F). Additionally, October experiences more rainfall—107 mm (4.2 in) across 17 days—and higher humidity at 90%. For more details on October weather, you can visit Conwy weather in October.

May and November present contrasting weather experiences, reflecting the transition from spring to late autumn. In May, temperatures range from a chilly -1°C (31°F) at night to a pleasant 27°C (81°F) during the day, with an average of 12°C (53°F). The month sees around 71 mm (2.8 inches) of precipitation over approximately 12 days, accompanied by a humidity level of 79%. In contrast, November is cooler, with a minimum temperature of -2°C (29°F) and a maximum of 16°C (60°F), averaging at 8°C (47°F). The month experiences more rainfall, totaling 91 mm (3.6 inches) over 18 days and a higher humidity of 91%. For a deeper look at November weather, visit Conwy weather in November.

May and December present quite contrasting weather conditions. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), bringing an average temperature of 12°C (53°F). The month experiences about 71 mm (2.8 in) of precipitation over approximately 12 days, coupled with a moderate humidity level of 79%. In contrast, December is much cooler with temperatures dipping to a minimum of -3°C (26°F) and only reaching a maximum of 13°C (56°F), resulting in an average of 6°C (44°F). This winter month sees more precipitation, totaling 115 mm (4.5 in) across around 18 days, and higher humidity at 89%. For more specific information about December's weather, you can visit Conwy weather in December.

Compare Conwy's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Conwy

May in Conwy brings a refreshing shift from the cooler spring months, offering a delightful mix of warm temperatures and vibrant scenery. With average highs around a cozy 12°C and occasional peaks reaching a pleasant 27°C, this month stands out for its increasing warmth. However, be prepared for some rain, as 71 mm of precipitation over roughly 12 days keeps the landscape lush and green. The humidity hovers at 79%, adding a touch of freshness to the air. Whether you're exploring historic sites or enjoying the natural beauty, May's weather creates an inviting atmosphere that captures the essence of spring. For a detailed look at Conwy's climate throughout the year, visit Conwy Climate.