August Weather in Harlech, United Kingdom

Last updated: March 17, 2025

Experience the vibrant August weather in Harlech, United Kingdom, where temperatures dance between a maximum of 27°C (80°F) and an average of 15°C (60°F). Be prepared for cooler nights with lows hitting 7°C (45°F). Despite the warmth, 144 mm (5.7 in) of rain graces the region over 20 days, contributing to a humid atmosphere with an average humidity of 79%. Embrace the mix of sunshine and rain that paints Harlech in hues of lush greenery and vibrant landscapes, making this month a unique experience for visitors and locals alike.

August Temperature in Harlech

In Harlech, United Kingdom, August marks a delightful peak in summer temperatures, with minimums averaging 7°C (45°F) and maximums reaching 27°C (80°F). This month shares a pleasant average of 15°C (60°F), offering a warm respite compared to the cooler months that precede it. As the culmination of the summer season, August showcases a noticeable warmth that invites locals and visitors alike to savor outdoor activities before the onset of autumn. With temperatures steadily rising from the early spring chill of January, it’s clear that Harlech becomes increasingly inviting as the year progresses, providing a refreshing contrast that enhances the charm of this coastal town.

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

The chart illustrates August temperature patterns in Harlech, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244485258615956514643
Data source: Temperature data for Harlech 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 Harlech

In August, Harlech experiences a notable uptick in precipitation, recording an impressive 144 mm (5.7 in), which ties with February for the year's highest amount. This month is characterized by frequent rainfall, with precipitation occurring on 20 days, marking it as one of the wettest months of the year. Following the relatively mild rains of July, August sets a trend of increased moisture that continues into the autumn months, paving the way for the even heavier downpours expected in October and December. The overall pattern suggests that as summer transitions into autumn, Harlech not only braces for more rain but also indicates a shift in climatic intensity that may influence local ecosystems and daily life.

August Precipitation Trends in Harlech

The chart displays monthly precipitation patterns in Harlech, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10514513858859691144130161138170
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Harlech

In August, Harlech experiences a moderate humidity level of 79%, aligning closely with the trend seen in July. Following the typically humid spring months, where levels peaked at 84% in April, the summer season brings a slight decrease, making August feel pleasantly comfortable compared to the heavier humidity of early winter. As the month transitions into September, humidity levels are set to rise again to 85%, reflecting the returning dampness typical of the fall period. This cyclical pattern showcases Harlech's tendency towards high humidity, particularly as the year draws to a close, with levels hitting 90% by October and reaching 91% in November.

August Average Humidity in Harlech

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

August UV Index in Harlech

In August, Harlech, UK, experiences a high UV Index of 7, indicating that sun exposure can lead to skin damage more quickly than in earlier months. This marks a slight decrease from the very high levels reached in June and July, where the UV Index peaked at 8. With a recommended burn time of 25 minutes, it’s essential for residents and visitors alike to be mindful of sun safety during this time. As summer wanes, the UV Index begins to show a gradual decline, trending towards more moderate levels in September. For more detailed information on UV trends throughout the year, visit Harlech UV Index.

Maximum UV Index Levels in Harlech for August

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

In August, sunshine in Harlech continues to shine brightly, contributing an impressive 385 hours of sunlight. This month marks a delightful transition as daylight begins to wane after the peak of summer in July, which boasts the highest total at 420 hours. Following a steady rise since January, when the sun only graces the skies for 94 hours, the sunlight hours peak in mid-summer but remain robust in August. As autumn approaches in September with 313 hours, it’s clear that this month serves as a beautiful bridge between the energetic brightness of summer and the softer, dwindling rays of fall, inviting both locals and visitors to savor the lingering warmth and spectacular scenery unique to this time of year.

Monthly Sunshine Duration in Harlech: August Highlighted

The August sunshine duration represents the total number of hours Harlech 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h158h225h330h411h402h420h385h313h239h125h106h
Data source: Harlech August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Harlech During August

In August, Harlech sees a 23% chance of sunny weather, which reflects a slight dip from the previous month's 36% likelihood in July. This indicates a subtle seasonal shift as summer transitions into early autumn. While August doesn't boast the highest chances of sunshine compared to the more vibrant months of April and May, when sunny prospects peak, it does remain relatively competitive against surrounding months like September and October. As visitors flock to Harlech for its scenic beauty, they may want to prepare for a mix of sun and clouds, but with a bit of luck, memorable sunny moments are still a possibility during this summer month.

Percentage of Sunny Days in August in Harlech

The chart illustrates the percentage of sunny days in Harlech 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 Harlech experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%20%25%47%28%24%36%23%21%15%22%16%
Data source: Harlech August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Harlech in August

In Harlech, United Kingdom, the daylight duration experiences a remarkable transformation throughout the year. August, with its 14 hours of daylight, marks a gradual decline from the peak summer months of June and July, where the sun graced the sky for a full 16 hours. This transition reflects the seasonal shift as the days start to shorten, leading into the softer light of autumn. Following August, September ushers in shorter days, providing just 12 hours of daylight, while the winter months bring a stark contrast with daylight dwindling to as little as 7 hours in December. Overall, the progression from the long, bright summer days to the more subdued winter light highlights the unique rhythm of Harlech's seasonal changes.

Average Daylight Hours in Harlech for August

The chart illustrates the variation in daylight duration in Harlech throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 48m16h 46m16h 15m14h 36m12h 36m10h 32m8h 41m7h 41m
Data source: Harlech daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Harlech

In August, Harlech, United Kingdom, experiences an average wind speed of 3.4 m/s (8 mph), reflecting a slight uptick from the tranquil breezes of July, where winds dipped to 2.5 m/s (5 mph). This gentle wind invigorates the coastal landscape, creating a refreshing atmosphere for residents and visitors alike. As summer winds down, the trend indicates a gradual increase in wind speeds, with September recording 2.9 m/s (6 mph), foreshadowing the brisker gusts of October, which rise significantly to 4.6 m/s (10 mph). This dynamic patterns of wind, marked by a slow but steady rise in speed, highlights the transition from summer's calm to the invigorating gales of autumn in this picturesque locale.

Average August Wind Speed in Harlech

The chart displays monthly wind speed patterns in Harlech, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.05.14.43.03.63.02.53.4 m/s2.94.63.94.4
Data source: Harlech August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Harlech Compares to Other Months

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

In August, temperatures in Harlech are much warmer, with a minimum of 7°C (45°F) and a maximum of 27°C (80°F), leading to an average of 15°C (60°F). The month experiences significant precipitation, totaling 144 mm (5.7 in) over 20 days, along with a humidity level of 79%. In contrast, January brings a chillier climate, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 13°C (56°F), averaging at just 5°C (42°F). Although precipitation is lower at 105 mm (4.2 in) over 14 days, the humidity is slightly higher at 89%. For more details on January weather, visit Harlech weather in January.

In comparing the weather of August and February, it’s clear that August tends to be warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F). In contrast, February is much cooler, featuring a minimum temperature of -5°C (24°F) and a maximum of 18°C (65°F), with an average of 6°C (43°F). Both months experience similar levels of precipitation, with August slightly less at 144 mm (5.7 in) compared to February's 145 mm (5.7 in), and while August has rain for about 20 days, February has slightly fewer rainy days at 17. Humidity levels are also higher in February at 88%, compared to 79% in August. For more detailed weather information, you can visit Harlech weather in February.

When comparing the weather in August and March, notable differences emerge in both temperature and precipitation. August generally enjoys milder conditions, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), while March experiences cooler temperatures, with a range between -6°C (21°F) and 18°C (65°F). Precipitation levels are relatively similar, with August receiving 144 mm (5.7 in) over 20 days and March slightly less at 138 mm (5.5 in) over 18 days. Humidity is also higher in March at 86%, compared to August's 79%. Overall, August offers warmer weather with less humidity, whereas March tends to be cooler and wetter. For more detailed information, you can check this link: Harlech weather in March.

When comparing the weather in August and April, we see notable differences in temperature and precipitation. August boasts a much warmer climate, with average temperatures ranging from 15°C (60°F) to a maximum of 27°C (80°F), in contrast to April's cooler averages of 9°C (48°F) with a maximum of 22°C (72°F). Additionally, August experiences more precipitation, totaling 144 mm (5.7 in) over 20 days, whereas April sees significantly less rainfall at 58 mm (2.3 in) across 12 days. Both months have relatively high humidity levels, with April at 84% and August at 79%. For more detailed information, you can check Harlech weather in April.

When comparing the weather between May and August, August tends to be warmer with an average temperature of 15°C (60°F), compared to May's 11°C (53°F). Both months experience the same maximum temperature of 27°C (80°F); however, May offers a cooler minimum temperature of 0°C (32°F) compared to August's 7°C (45°F). In terms of precipitation, August sees more rain, totaling 144 mm (5.7 in) over 20 days, while May has a lower precipitation amount of 85 mm (3.3 in) across 13 days. Interestingly, both months share a high humidity level of 79%. For a deeper understanding of May's climate, you can explore Harlech weather in May.

When comparing the weather in August and June, a few notable differences emerge. August tends to have slightly warmer daytime temperatures, with a maximum of 27°C (80°F) compared to June's peak of 28°C (83°F). However, June boasts lower precipitation levels, averaging 96 mm (3.8 in) over 16 days, while August sees increased rainfall, totaling 144 mm (5.7 in) across 20 days. Additionally, humidity levels remain high in both months, with August at 79% and June just slightly higher at 81%. For more detailed insights, you can check Harlech weather in June.

In comparing the weather conditions of July and August, we see that August tends to be slightly warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), compared to July's minimum of 6°C (44°F) and maximum of 29°C (84°F). However, July has a marginally better average temperature at 16°C (61°F) versus August’s 15°C (60°F). Precipitation levels are notably higher in August, with 144 mm (5.7 in) of rainfall over 20 days, while July experiences 91 mm (3.6 in) over just 14 days. Humidity levels remain comparable, with August at 79% and July at 78%. For a more detailed view, check out Harlech weather in July.

August typically offers warmer temperatures, with a minimum of 7°C (45°F) and an average of 15°C (60°F), peaking at a maximum of 27°C (80°F). However, it also comes with considerable rainfall, averaging 144 mm (5.7 in) over about 20 days, coupled with a humidity level of 79%. In contrast, September sees a drop in temperatures, starting at a minimum of 2°C (36°F) and averaging 13°C (56°F), while still reaching a maximum of 27°C (82°F). The precipitation decreases slightly to 130 mm (5.1 in), occurring over 16 days, but humidity rises to 85%. For more details on September weather, you can check Harlech weather in September.

In August, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average temperature of 15°C (60°F). The month experiences significant rainfall, totaling 144 mm (5.7 in) over 20 days, and humidity levels hover around 79%. In contrast, October sees a chillier climate, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 21°C (70°F) and an average of 11°C (52°F). Rainfall increases slightly to 161 mm (6.3 in) across 19 days, while humidity rises to 90%. For more details on October weather, you can check Harlech weather in October.

August and November present contrasting weather patterns. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average of 15°C (60°F) and humidity at 79%. This month is characterized by relatively high temperatures and significant rainfall, receiving 144 mm (5.7 in) over about 20 days. In contrast, November is much cooler, with temperatures dipping to a minimum of -1°C (30°F) and an average of 8°C (47°F), peaking at 15°C (59°F). Although November sees slightly less rainfall at 138 mm (5.4 in) across 19 days, the humidity rises to 91%, making the air feel quite damp and chilly. For a closer look at November weather specifics, check out Harlech weather in November.

The weather in August and December presents a striking contrast, with August featuring milder temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F) and an average of 15°C (60°F). In contrast, December brings chillier conditions, with minimal temperatures dropping to -3°C (26°F) and an average of 6°C (44°F). Additionally, while August sees 144 mm (5.7 in) of precipitation over 20 days with a humidity level of 79%, December experiences an increase in precipitation to 170 mm (6.7 in) over the same number of days, accompanied by higher humidity at 89%. For those interested in a detailed view of December’s climate, you can find more information here: Harlech weather in December.

Compare Harlech's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Harlech

August in Harlech brings a unique blend of warmth and humidity, with temperatures reaching their peak compared to other months. While the average temperature hovers around a pleasant 15°C, the maximum can soar to a summery 27°C, inviting locals and visitors alike to explore the stunning landscapes. However, this warmth comes with increased precipitation, as rain graces the region on about 20 days throughout the month, resulting in a total of 144 mm. This humidity level, sitting at 79%, can make the air feel a bit heavier. For a deeper dive into Harlech's distinctive climate and how August stands out, check out Harlech Climate.