August Weather in Penarth, United Kingdom

Last updated: March 17, 2025

In August, the coastal town of Penarth, United Kingdom, experiences a diverse range of weather conditions. With a maximum temperature reaching 29°C (84°F), the month can feel pleasantly warm, while the average temperature settles at a comfortable 17°C (62°F). However, visitors should be prepared for cooler evenings as minimum temperatures can drop to 9°C (48°F). Rainfall is notable during this month, with a total of 97 mm (3.8 in) spread over approximately 13 days, contributing to a humidity level of about 73%. This blend of warm days and occasional rain makes August an intriguing time to experience Penarth's charm.

August Temperature in Penarth

In August, Penarth experiences its warmest temperatures of the year, with a minimum of around 9°C (48°F) and an average that brightens up to 17°C (62°F). The maximum highs can reach 29°C (84°F), providing perfect conditions for those seeking to enjoy the stunning coastal scenery. This month transitions smoothly from the milder temperatures of July, maintaining the warmth while hinting at the cooler fall months ahead. As the summer peak, August invites locals and visitors alike to relish long, sunlit days and outdoor activities, making it a vibrant time in this picturesque United Kingdom town.

August Weather in Penarth: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Penarth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424345485460636258534745
Data source: Temperature data for Penarth 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.

August Precipitation in Penarth

In August, Penarth experiences a notable shift in weather patterns, as the precipitation totals reach 97 mm (3.8 in) over the month, matching the trend of relatively wet conditions felt throughout the summer. Rainfall occurs on 13 days, indicating that while August is traditionally a time for outdoor activities, the Welsh seaside town is not exempt from its characteristic drizzle. This consistent precipitation aligns closely with the preceding months, particularly July and June, which also recorded substantial rainfall. As the summer wanes, the overall trend of increasing moisture culminates in anticipation of an even wetter autumn, with October typically featuring even higher rainfall levels.

August Precipitation Trends in Penarth

The chart displays monthly precipitation patterns in Penarth, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec751019857798485978113599130
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Penarth

In August, Penarth experiences a slight uptick in humidity, averaging 73%, which marks a transition from the drier conditions of July at 70%. This increase, while not extreme, signifies a gradual return to the more humid climate characteristic of the late summer months. As the year progresses, September sees humidity levels rise again to 79%, foreshadowing the wetter autumn months ahead. Overall, the trend reveals a significant drop in humidity from the beginning of the year, where levels hover around 88%, gradually decreasing through the spring and summer before climbing back up in the fall. The shift in August subtly bridges this transition, ensuring that Penarth remains cloaked in a maritime embrace.

August Average Humidity in Penarth

This chart illustrates the average monthly humidity levels in Penarth, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Penarth

In August, Penarth experiences a sunny reprieve with a UV Index of 7, categorizing the exposure as high. This marks a slight dip from the peak of 8 seen in June and July, yet it still calls for caution. With a burn time of approximately 25 minutes, it’s essential to strike a balance between enjoying the summer rays and protecting your skin. As summer transitions into fall, September also maintains a high index of 6, reminding us of the lingering sun's intensity. For more detailed insights on UV levels throughout the year, visit Penarth UV Index.

Maximum UV Index Levels in Penarth for August

The chart shows the monthly maximum UV Index (UVI) for Penarth in August, 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: Penarth August 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.

August Sunshine in Penarth

August in Penarth, United Kingdom, shines with 345 hours of glorious sunshine, continuing the trend of radiant summer days. Following the peak of July, which boasted an impressive 399 hours, August maintains a significant amount of light, making it the perfect time for outdoor activities and seaside strolls. As summer transitions into autumn, the sunlit hours gradually taper off, with September dipping to 279 hours, signaling the change of seasons. This pattern highlights how the long, sun-soaked days of summer give way to the milder, yet shorter, days of early autumn, providing a picturesque backdrop for the charming coastal town.

Monthly Sunshine Duration in Penarth: August Highlighted

The August sunshine duration represents the total number of hours Penarth experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec81h134h192h303h379h355h399h345h279h224h121h100h
Data source: Penarth August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Penarth During August

As August rolls around in Penarth, the likelihood of sunny weather remains moderately promising, with a 30% chance of sunshine. This places it slightly below the peak of April, which boasts the most sunlight at 52%, yet above the sunniest months of January and October, both hovering around 21%. The summer months usually witness an uptick in sunny days, as seen with July reaching 41%, but August experiences a subtle decline. Despite this, the overall weather trend hints at the lingering warmth of summer, suggesting that while clouds may occasionally obscure the sun, there are still opportunities to soak up some rays.

Percentage of Sunny Days in August in Penarth

The chart illustrates the percentage of sunny days in Penarth throughout the year, with August 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 Penarth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%23%29%52%33%27%41%30%28%21%31%20%
Data source: Penarth August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Penarth in August

As summer in Penarth begins to wane, August brings a delightful 14 hours of daylight, slightly less than the sun-soaked days of July. This month marks the gradual transition from the long, bright days of the summer solstice in June and July, where daylight peaked at an impressive 16 hours. The pattern is clear: from the brisk 8 hours of daylight in January to the bountiful length of summer, daylight duration ebbs and flows with the seasons, cascading down to 12 hours by September and further shrinking to 10 hours in October. August serves as a bridge, allowing residents to savor the lingering warmth and brightness of summer while hinting at the cozy, shorter days to come in autumn.

Average Daylight Hours in Penarth for August

The chart illustrates the variation in daylight duration in Penarth throughout the year, with August 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: Penarth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Penarth

In August, Penarth experiences a gentle breath of wind, with an average speed of 4.2 m/s (9 mph), providing a pleasant respite as summer draws to a close. This month marks a slight increase from the relatively calm winds of June and July, which hovered around 3.4 to 3.5 m/s (8 mph). The transition into autumn is accompanied by a gradual uptick in wind speed, reflecting a pattern where early summer tranquility gives way to the briskness of the coming months. As the season changes, September showcases a dip to 3.7 m/s (8 mph), reminiscent of those quieter summer days, while wind speeds generally rise again into the fall and winter months. This fascinating trend highlights the unique climatic shifts in Penarth, making August a delightful blend of summer serenity intertwined with the anticipation of autumn’s arrival.

Average August Wind Speed in Penarth

The chart displays monthly wind speed patterns in Penarth, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.74.83.74.73.53.44.2 m/s3.74.84.25.3
Data source: Penarth August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Penarth Compares to Other Months

The weather in Penarth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Penarth and find detailed weather information for every month.

August and January present contrasting weather conditions in terms of temperature and humidity. In August, temperatures range from a mild 9°C (48°F) to a warm 29°C (84°F), with an average of 17°C (62°F). The month receives 97 mm (3.8 in) of precipitation over approximately 13 days, accompanied by a humidity level of 73%. In stark contrast, January sees much colder temperatures, with a minimum of -3°C (27°F) and a maximum of 13°C (56°F), averaging only 6°C (42°F). Although precipitation is slightly lower at 75 mm (3.0 in) across 12 days, the humidity rises to 88%, making January feel much chillier. For more specific insights on January weather, you can visit Penarth weather in January.

In comparing the weather between August and February, we observe striking contrasts in temperature and precipitation patterns. August typically enjoys milder temperatures, with a minimum of 9°C (48°F), an average of 17°C (62°F), and a maximum reaching up to 29°C (84°F). Although it experiences a moderate amount of rainfall—97 mm (3.8 in) over 13 days—humidity remains relatively comfortable at 73%. In contrast, February presents a much chillier climate, with temperatures dipping to a minimum of -4°C (26°F) and averaging just 6°C (44°F). The maximum temperature in February is considerably lower at 15°C (60°F). Despite having slightly higher precipitation at 101 mm (4.0 in) spread over 14 days, the humidity is notably higher at 88%, contributing to a damp and cooler atmosphere. For more specific details on February climate, you can check Penarth weather in February.

When comparing the weather conditions in August and March, we notice significant differences in temperature and humidity. August boasts a much warmer temperature range, with minimums of 9°C and maximums reaching up to 29°C, along with a milder average of 17°C. In contrast, March experiences colder conditions, with minimum temperatures plummeting to -5°C and a cooler average of just 7°C. Both months see similar precipitation levels at 97 mm, but March has a slightly longer duration of rainy days, occurring over 15 days compared to August's 13 days. Additionally, March’s higher humidity of 86% compared to August's 73% can make the days feel more damp and chilly. For more specific insights, you can check out Penarth weather in March.

August and April exhibit quite distinct weather patterns. In August, temperatures range from a minimum of 9°C (48°F) to a pleasant maximum of 29°C (84°F), with an average of 17°C (62°F). The month experiences about 97 mm (3.8 in) of rainfall over 13 days, accompanied by a humidity level of 73%. In contrast, April features cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 20°C (69°F), averaging just 9°C (49°F). Precipitation is lighter in April, totaling 57 mm (2.2 in) across 10 days, but humidity is slightly higher at 84%. For a closer look at the specifics of Penarth's weather, check this link: Penarth weather in April.

In comparing the weather of August and May, we see a notable contrast in temperatures and humidity levels. August boasts a higher average temperature of 17°C (62°F), with maximum highs reaching up to 29°C (84°F), compared to May's average of 12°C (54°F) and maximum of 24°C (76°F). Additionally, while both months experience precipitation, August sees slightly more rainfall at 97 mm (3.8 in) over 13 days, compared to May's 79 mm (3.1 in) over 12 days. Interestingly, humidity is marginally higher in May at 80%, whereas August has a humidity level of 73%, suggesting that while August is warmer, May might feel a bit more muggy. For more detailed insights, you can check out Penarth weather in May.

In comparing the weather of August and June, August generally experiences warmer temperatures, with average highs of 29°C (84°F) compared to June's 27°C (82°F). The minimum temperatures are also slightly higher in August, with a low of 9°C (48°F) versus June's 7°C (45°F). While August sees a bit more precipitation, totaling 97 mm (3.8 in) over 13 days, June is not far behind with 84 mm (3.3 in) over 12 days. Additionally, humidity levels are relatively high in both months, with June having a slightly higher humidity at 80% compared to August's 73%. For a more detailed look at June weather specifically, you can visit Penarth weather in June.

In comparing the weather between July and August, we find that both months feature similar minimum temperatures, consistently starting at around 9°C (48°F). However, August tends to be slightly warmer, with an average temperature of 17°C (62°F) compared to July's 17°C (63°F) and a maximum of 29°C (84°F) versus July's 28°C (82°F). Precipitation is also greater in August, totaling 97 mm (3.8 in) over 13 days, while July experiences 85 mm (3.3 in) of rain across 12 days. Furthermore, humidity levels are a bit higher in August at 73% compared to July's 70%. For a more detailed look at July's weather specifically, you can visit Penarth weather in July.

August tends to be warmer than September, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (84°F) and an average of 17°C (62°F). In contrast, September experiences cooler temperatures, with minimums dropping to 4°C (40°F) and maximums reaching 27°C (81°F), averaging 15°C (59°F). While August sees more rain, with a total of 97 mm (3.8 in) over 13 days, September has slightly less precipitation at 81 mm (3.2 in) over 12 days. Humidity increases in September, averaging 79%, compared to August’s 73%. For more detailed information, you can visit Penarth weather in September.

In August, the weather is generally warmer, with average temperatures reaching 17°C (62°F) and maximums hitting 29°C (84°F), making it a pleasant month for outdoor activities. However, it experiences relatively high humidity levels at 73% and a moderate amount of rainfall, totaling 97 mm (3.8 in) over 13 days. In contrast, October brings a notable drop in temperatures, with averages around 12°C (54°F) and maximums peaking at 21°C (70°F). The month is characterized by increased precipitation, with 135 mm (5.3 in) spread across 16 days and higher humidity at 89%. For more detailed insights, check out Penarth weather in October.

August and November present distinct contrasts in weather. In August, temperatures range from a mild 9°C (48°F) at night to a warm 29°C (84°F) during the day, with an average of 17°C (62°F). The month sees around 97 mm (3.8 in) of precipitation over 13 days, accompanied by a humidity level of 73%. In stark contrast, November brings much cooler temperatures, ranging from a chilly -1°C (30°F) to a maximum of 16°C (61°F), with an average of 9°C (48°F). Precipitation rises slightly to 99 mm (3.9 in) over 15 days, while humidity increases to 90%. For a closer look at November weather specifics, you can check Penarth weather in November.

The weather in August is characterized by significantly warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 29°C (84°F), leading to an average of 17°C (62°F). This month experiences moderate precipitation, totaling 97 mm (3.8 in) over about 13 days, and a humidity level of 73%. In contrast, December brings much colder conditions, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 13°C (56°F), resulting in an average of just 7°C (45°F). December is also wetter, with 130 mm (5.1 in) of precipitation occurring over 17 days, and a higher humidity level of 89%. For more detailed insights into the December climate, you can check out Penarth weather in December.

Compare Penarth's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Penarth

In August, Penarth experiences a significant shift in weather compared to other months, characterized by warmer temperatures and high humidity levels. With maximum temperatures reaching a pleasant 29°C (84°F) and an average of 17°C (62°F), this month is ideal for enjoying the outdoors; however, it also brings about 13 days of precipitation totaling 97 mm (3.8 in), reminding us that summer weather can be unpredictable. The increased humidity at 73% adds a tropical feel, making the evenings particularly inviting. For those curious about the weather trends throughout the year, you can explore more at Penarth Climate.