May Weather in Porthcawl, United Kingdom

Last updated: March 17, 2025

In May, Porthcawl, United Kingdom, experiences a blend of charm and unpredictability in its weather. With temperatures reaching a maximum of 24°C (75°F), the shores come alive, but the average hovers around a cool 12°C (54°F), offering a refreshing respite. Visitors should brace for rainy spells, as the region sees 78 mm (3.1 in) of rain over approximately 11 days, coupled with a high humidity level of 80%. This mix of warmer days and sporadic showers creates a vibrant atmosphere, perfect for those looking to explore the coastal beauty while staying prepared for the occasional downpour.

May Temperature in Porthcawl

In Porthcawl, United Kingdom, May heralds a significant warming trend, as the temperatures shift from the lingering chill of earlier months. With minimums rising to 2°C (37°F) and averages reaching 12°C (54°F), residents can shed their winter layers, welcoming brighter days. The maximum temperature peaks at a delightful 24°C (75°F), making May a prime time for outdoor activities and seaside strolls. This month stands out not only for its warmth but also as a herald of the glorious summer ahead, contrasting sharply with the colder grip of previous months where averages hovered around the low single digits. As Porthcawl basks in the early summer sun, the transition is palpable, inviting both locals and visitors to embrace the season of renewal.

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

The chart illustrates May temperature patterns in Porthcawl, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445495359626159544846
Data source: Temperature data for Porthcawl 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 Porthcawl

May in Porthcawl brings a moderate 78 mm (3.1 in) of precipitation over approximately 11 days, marking a slight increase from April's drier conditions. This transitional month often witnesses a blend of spring showers that nurture the blooming landscape, bridging the gap to the wetter summer months that follow. Compared to the heavier rains of January and February, May’s precipitation is relatively gentle, paving the way for sunnier days ahead. Interestingly, this gradual uptick from April suggests a shift towards more frequent rainfall, which will culminate in the summer months where precipitation levels rise once again, particularly as August typically records the highest annual totals. Overall, May serves as a reminder that while the rainy season persists, brighter skies are just around the corner.

May Precipitation Trends in Porthcawl

The chart displays monthly precipitation patterns in Porthcawl, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9311710355798583111103155122159
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Porthcawl

In Porthcawl, United Kingdom, the month of May marks a notable shift in humidity, dipping to 80% after a gradual decline from the winter months. This consistent decrease from January’s high of 88% reflects a transition towards more temperate conditions, as spring unfolds. While the humidity stabilizes at 80% in both May and June, it sets the stage for the drier summer months ahead, with July experiencing a significant drop to 70%. This trend highlights the region's seasonal rhythms, where the lush, moist atmosphere of winter gives way to warmer and more comfortable summer conditions, making May a delightful bridge between the two.

May Average Humidity in Porthcawl

This chart illustrates the average monthly humidity levels in Porthcawl, 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%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Porthcawl

As spring transitions into summer, May in Porthcawl witnesses a noticeable surge in the UV Index, reaching a notable 7, which places it in the high exposure category. With a burn time of just 25 minutes, it's essential to be mindful of sun safety during this month. This marks a significant increase from April's UV Index of 6 and a clear progression from the lower indices seen in the winter months. As we move towards June, where the UV Index escalates further, understanding these trends becomes crucial for enjoying the sun responsibly. For more details and daily updates, check out the Porthcawl UV Index.

Maximum UV Index Levels in Porthcawl for May

The chart shows the monthly maximum UV Index (UVI) for Porthcawl 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Porthcawl 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 Porthcawl

May in Porthcawl, United Kingdom, brings a delightful surge of sunshine, boasting 393 hours that stand out as one of the sunniest months of the year. After a gradual increase from 87 hours in January to 320 hours in April, May reaches its peak, bathing the coastal town in warm golden rays. This month gives way to summer, with June and July following closely behind, though slightly less radiant at 373 hours and 410 hours, respectively. As the season transitions into autumn, the sunlight begins to wane, bringing 296 hours in September and declining further into the colder months. The trend reveals that May not only marks the height of spring but also acts as a vibrant precursor to the sun-soaked summer days that lie ahead.

Monthly Sunshine Duration in Porthcawl: May Highlighted

The May sunshine duration represents the total number of hours Porthcawl 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h142h205h320h393h373h410h362h296h233h128h104h
Data source: Porthcawl May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porthcawl During May

In Porthcawl, the likelihood of sunny weather in May shows a promising trend, with a 34% chance of sunshine, positioning it as one of the sunniest months of the spring season. This figure is a notable decline from the preceding month of April, which boasts a significantly higher 55% chance of sunny days, yet remains above the rates of both March and April. Following the vibrancy of spring, June experiences a drop to 26%, indicating that May serves as a sweet spot for those seeking sunny weather before summer sets in. While the chances are not overwhelmingly high, May certainly offers a delightful opportunity for sun-seekers to enjoy the mild weather typical of this charming coastal town.

Percentage of Sunny Days in May in Porthcawl

The chart illustrates the percentage of sunny days in Porthcawl 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 Porthcawl experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%24%30%55%34%26%40%33%28%22%29%21%
Data source: Porthcawl May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porthcawl in May

As spring unfolds in Porthcawl, the dawn of May brings a delightful surge in daylight, offering 15 hours of sunshine—an increase from 13 hours in April. This trend continues into June and July, where daylight peaks at a vibrant 16 hours. The gradual transition from the shorter days of winter reveals the UK's seasonal rhythm, with January and February presenting just 8 and 9 hours of light, respectively. As the year progresses, daylight diminishes in August to 14 hours, followed by a steady decline through the autumn months, culminating in December with only 7 hours of daylight. This pattern highlights Porthcawl's captivating seasonal changes, inviting both residents and visitors to embrace the longer, brighter days of late spring and summer.

Average Daylight Hours in Porthcawl for May

The chart illustrates the variation in daylight duration in Porthcawl throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 24m9h 58m11h 55m13h 54m15h 38m16h 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Porthcawl daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Porthcawl

In Porthcawl, the winds of May maintain a gentle yet refreshing average speed of 5.2 m/s (12 mph), slightly lower than the preceding months. This trend follows a noticeable decrease in wind intensity from the gustier spring months, with April peaking at 4.2 m/s (9 mph). As the region transitions into summer, the winds tend to ease, with both June and July recording the calmest breezes of the year at 3.7 m/s (8 mph). Interestingly, the months leading up to autumn—October and November—show a resurgence in wind speed, suggesting a dynamic shift as the seasons change. Overall, May's wind pattern reflects a serene atmosphere, perfect for enjoying coastal activities before the summer stillness sets in.

Average May Wind Speed in Porthcawl

The chart displays monthly wind speed patterns in Porthcawl, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.66.55.44.25.2 m/s3.73.74.64.15.54.86.3
Data source: Porthcawl May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Porthcawl Compares to Other Months

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

May generally offers a milder and more pleasant climate compared to January. With average temperatures rising to about 12°C (54°F) and maximums reaching 24°C (75°F), May enjoys a significant warmth, while January’s temperatures peak at only 13°C (57°F) and average around 6°C (43°F). Additionally, although May has slightly less precipitation at 78 mm (3.1 in) over 11 days, January experiences a higher total of 93 mm (3.6 in) across 12 days, contributing to a damper atmosphere. Furthermore, May's humidity of 80% feels relatively comfortable in comparison to January's higher level of 88%. For more detailed information on January's weather, check out Porthcawl weather in January.

When comparing the weather in May and February, it's evident that May enjoys milder temperatures, with average highs reaching 24°C (75°F) compared to February's maximum of only 15°C (58°F). The minimum temperatures in May also surpass those in February, with May's low of 2°C (37°F) contrasting February's chillier -3°C (27°F). Although May experiences more sunshine, it has lower precipitation at 78 mm (3.1 in) over 11 days, while February sees higher precipitation at 117 mm (4.6 in) across 15 days. The humidity levels are slightly lower in May at 80% compared to February’s 88%, contributing to a more comfortable climate as spring approaches. For more detailed information on February weather, you can visit Porthcawl weather in February.

In comparing the weather between March and May, we see a noticeable shift in temperatures and conditions. March typically experiences lower temperatures, with a minimum of -5°C (23°F) and an average of 7°C (45°F), while May brings milder conditions, featuring a minimum of 2°C (37°F) and an average of 12°C (54°F). Rainfall is also notable; March has higher precipitation at 103 mm (4.1 in) over 17 days, compared to May's 78 mm (3.1 in) over 11 days. Additionally, humidity levels are slightly higher in March (86%) compared to May (80%), giving March a more moist feel overall. For more details on March's weather in specific locations, you can refer to Porthcawl weather in March.

In comparing the weather between April and May, we see a notable shift in temperatures and precipitation. May experiences warmer conditions, with an average temperature of 12°C (54°F), compared to April's cooler average of 9°C (49°F). The maximum temperature in May reaches up to 24°C (75°F), while April peaks at 20°C (68°F). Although both months see a similar number of rainy days, with May having slightly more at 11 days, its total precipitation is higher at 78 mm (3.1 in) compared to April's 55 mm (2.2 in). Humidity levels remain fairly high, with May at 80% and April at 84%. For a more detailed look at the weather conditions in April, you can visit Porthcawl weather in April.

May and June weather experience noticeable changes, with June generally being warmer and slightly wetter. In May, temperatures range from a cool minimum of 2°C (37°F) to a pleasant maximum of 24°C (75°F), with an average of 12°C (54°F). The month sees around 78 mm (3.1 in) of precipitation over about 11 days, paired with a consistent humidity level of 80%. In contrast, June welcomes a higher temperature spectrum, with minimums of 8°C (46°F) and maximums reaching 26°C (80°F), averaging 15°C (59°F). The month also experiences a slight increase in precipitation to 84 mm (3.3 in) across 14 days, while maintaining the same humidity level of 80%. For those seeking specific weather details, you can check out Porthcawl weather in June.

In comparing the weather between May and July, it's clear that July experiences milder temperatures, with averages of 17°C (63°F) compared to May's 12°C (54°F). Additionally, the maximum temperature in July can reach up to 27°C (80°F), significantly warmer than May’s peak of 24°C (75°F). While May has a higher humidity level at 80%, July's humidity decreases to 70%, contributing to a more comfortable atmosphere. Precipitation levels are similar, with July recording 83 mm (3.3 in) over 13 days, slightly more than May's 78 mm (3.1 in) over 11 days. For those interested in exploring more about July weather specifically, you can check Porthcawl weather in July.

May and August exhibit distinct differences in weather patterns. In May, temperatures range from a chilly minimum of 2°C (37°F) to a pleasant maximum of 24°C (75°F), with an average of 12°C (54°F). This month sees substantial rainfall, totaling 78 mm (3.1 in) across 11 days, accompanied by a high humidity level of 80%. In contrast, August experiences milder temperatures, with a minimum of 9°C (48°F), an average of 16°C (62°F), and a comfortable maximum of 27°C (80°F). However, August is generally wetter, with 111 mm (4.4 in) of precipitation over 18 days, and lower humidity at 73%. For more information, you can refer to Porthcawl weather in August.

May and September present distinct weather patterns. In May, temperatures range from a chilly 2°C (37°F) at night to a pleasant maximum of 24°C (75°F) during the day, with an average temperature of 12°C (54°F). The month sees around 78 mm (3.1 in) of precipitation over 11 days, coupled with high humidity levels of 80%. Conversely, September offers slightly warmer temperatures, with a minimum of 5°C (42°F), an average of 15°C (59°F), and a maximum of 26°C (80°F). However, it experiences a higher total precipitation of 103 mm (4.1 in) spread across 13 days, while the humidity remains relatively similar at 79%. For more details, check out Porthcawl weather in September.

In comparing the weather between May and October, both months share an average temperature of 12°C (54°F), but they differ significantly in their extremes and precipitation levels. May experiences milder conditions with a maximum temperature reaching 24°C (75°F), while October's highest temperature peaks at 21°C (69°F). Rainfall is more pronounced in October, accumulating to 155 mm (6.1 in) over 17 days, compared to May's 78 mm (3.1 in) spread over 11 days. Additionally, humidity levels rise in October to 89%, slightly higher than May's 80%. For more detailed insights, visit Porthcawl weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 2°C (37°F) to a pleasant average of 12°C (54°F), peaking at 24°C (75°F), coupled with relatively low precipitation of 78 mm (3.1 in) over 11 days. The humidity is moderate at 80%, making the month feel fresh and vibrant.

In stark contrast, November experiences cooler temperatures, with a minimum of -1°C (31°F) and a lower average of 9°C (48°F). The maximum temperature reaches only 16°C (60°F). Additionally, November is wetter, receiving 122 mm (4.8 in) of rainfall across 16 days, and the humidity climbs to 90%, creating a damp and chilly atmosphere. For more detailed information, check out Porthcawl weather in November.

In May, temperatures range from a minimum of 2°C (37°F) to a maximum of 24°C (75°F), with an average of 12°C (54°F). The month experiences around 78 mm (3.1 in) of precipitation over 11 days, accompanied by a humidity level of 80%. In contrast, December sees cooler conditions, with temperatures peaking at just 13°C (55°F) and dipping to a minimum of -1°C (30°F), averaging 8°C (46°F). Precipitation is significantly higher in December, reaching 159 mm (6.3 in) over 19 days, and humidity increases to 89%. For more details on December weather, you can visit Porthcawl weather in December.

Compare Porthcawl's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Porthcawl

As we transition into May, Porthcawl experiences a delightful shift from the chill of early spring to the warmth of approaching summer. While temperatures can reach a pleasant 24°C (75°F), the month also brings its share of cool days, with averages settling around 12°C (54°F). Unlike the wetter winter months, May shows a moderate increase in precipitation, with 11 days likely to see rain, totaling around 78 mm (3.1 in) of moisture. The 80% humidity serves as a reminder of the coastal climate, making May distinctly different from the drier and cooler months before it. For a deeper dive into the trends and variations of the climate in this charming seaside town, visit Porthcawl Climate.