Last updated: March 17, 2025
Experience the vibrant August weather in Dun Laoghaire, Ireland, where temperatures fluctuate between a maximum of 23°C (73°F) and a minimum of 7°C (45°F), averaging a comfortable 15°C (60°F). This coastal town greets visitors with a significant 85% humidity, creating a refreshing atmosphere. However, be prepared for some rain, as August sees about 95 mm (3.8 in) of precipitation spread over 16 days. Embrace the unpredictable charm of Irish summer in this picturesque seaside location!
In Dun Laoghaire, Ireland, August offers a delightful respite from the cooler months, showcasing temperatures that reflect the warmth of late summer. The average temperature settles at a comfortable 15°C (60°F), with daytime highs reaching up to 23°C (73°F), perfect for exploring the vibrant coastal scenery. As evenings roll in, temperatures dip slightly, with a minimum of 7°C (45°F) ensuring that a light jacket or sweater is advisable for those seaside strolls. This month stands as one of the warmest of the year, following the gradual upward trend seen since the chill of January. The pleasant conditions make August an ideal time for outdoor activities and enjoying the charming atmosphere of this coastal town.
August brings a notable increase in precipitation to Dun Laoghaire, with 95 mm (3.8 in) of rain falling over 16 days. This substantial amount marks it as the wettest month of the summer, surpassing prior months like July. The trend is evident as the region transitions from the drier spells of late spring and early summer to a more saturated climate, which is typical in August. Interestingly, the rain in August prepares the ground for a lush autumn, as the town experiences a shift towards increased humidity and cooler temperatures. This blend of rainy days and occasional sunny breaks offers a vibrant tapestry of late summer, setting the stage for the colorful changes to come in the fall.
In Dun Laoghaire, Ireland, the humidity levels exhibit a consistent pattern throughout the year, with August maintaining a comfortable average of 85%. This month reflects a slight dip compared to the higher averages seen in February and July, both at 86%. Notably, the humidity remains relatively stable, hovering between 83% and 87%, rarely straying far from this range. As the summer winds down, the gradual transition towards autumn is marked by a modest increase in humidity in the following months, suggesting a persistent maritime influence that keeps the air feeling fresh, unique to this coastal locale. This consistency in humidity not only shapes the local climate but also enriches the vibrant character of Dun Laoghaire throughout the year.
In August, Dun Laoghaire experiences a UV Index of 7, indicating a high exposure category that calls for caution during outdoor activities. This means you can expect a burn time of approximately 25 minutes before the sun’s rays may start to have adverse effects on your skin. Following the peak of summer in July, where the UV Index also reached 8, August shows a slight decrease, yet it's still vital to remain vigilant against UV radiation. As the season transitions into autumn, the UV levels will continue to decline, with September’s Index dropping to 5. For more detailed insights into UV levels throughout the year, visit Dun Laoghaire UV Index.
UV Risk Categories
In Dun Laoghaire, Ireland, the month of August shines brightly with 339 hours of sunshine, marking a summer peak that follows a steady ascent from the dreary days of winter. After a mere 83 hours in January, the sun gradually warms up the town, reaching its pinnacle in June and July with 385 hours each. Notably, August maintains this radiant momentum, offering ample daylight for residents and visitors alike. As summer wanes, sunshine hours begin to ebb, transitioning into the softer light of autumn, with September and October bringing 294 and 230 hours respectively. This seasonal rhythm showcases the transformative beauty of Dun Laoghaire’s weather, making August a delightful time to embrace the outdoors.
In Dun Laoghaire, Ireland, August offers a moderate 23% chance of sunny weather, aligning closely with the sunniest months in early winter. Though it may not compete with the brighter days of April, which sees a much higher 44% chance, August still shares a similar level of sunshine as January and July. As summer begins to wane, trends show a slight downward shift in sunny prospects when compared to preceding months. Despite the lower likelihood of sun, August remains a pleasant time for outdoor activities, offering a brief respite before the chill of autumn takes hold.
In Dun Laoghaire, Ireland, August heralds a gentle transition as daylight begins to wane, offering about 14 hours of sunlight. Following the peak of 16 hours in both June and July, August marks a gradual shift into the softer hues of late summer, while still providing ample time for outdoor activities and enjoying the coastal scenery. The trend showcases the ebb and flow of daylight throughout the year, with a slow decline as September approaches, where daylight dips to 12 hours. This pattern reflects the vibrant summer days of Northern Europe, inviting locals and visitors alike to savor the lingering warmth before the days shorten further into autumn.
In Dun Laoghaire, Ireland, August ushers in a gentle breeze with an average wind speed of 3.6 m/s (8 mph), continuing the trend of milder winds seen through the summer months. Following a peak in February at 6.0 m/s (13 mph), the wind tends to soften, reaching its annual low in July with just 2.7 m/s (6 mph). As summer wanes, August's winds are more consistent, providing a pleasant backdrop for coastal strolls and sailing adventures. Moving into the fall, wind speeds gradually increase again, hinting at the energetic gusts of autumn on the horizon. This cyclical rhythm of winds showcases the unique climatic character of this charming Irish town.
The weather in Dun Laoghaire 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 Dun Laoghaire and find detailed weather information for every month.
In August, the weather is generally milder with average temperatures ranging from a minimum of 7°C (45°F) to a comfortable maximum of 23°C (73°F). This month experiences higher precipitation levels of 95 mm (3.8 in) over about 16 days, contributing to a consistently humid environment with 85% humidity. In contrast, January brings colder temperatures, with a minimum of -3°C (26°F) and a maximum of 13°C (56°F). Although January has less precipitation at 57 mm (2.2 in) over 10 days, it maintains the same humidity level of 85%. For more details on January weather in Dun Laoghaire, you can check this link: Dun Laoghaire weather in January.
August and February present contrasting weather patterns, with August enjoying milder temperatures ranging from a minimum of 7°C (45°F) to a maximum of 23°C (73°F) and an average of 15°C (60°F). In contrast, February experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 14°C (58°F), averaging around 6°C (43°F). While August has higher precipitation levels at 95 mm (3.8 in) over 16 days, February sees slightly less rain at 80 mm (3.1 in) across 14 days. Both months maintain high humidity, with August at 85% and February at 86%. For a deeper look into February's climate specifics, visit Dun Laoghaire weather in February.
August and March present stark contrasts in weather characteristics. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (73°F), with an average temperature of 15°C (60°F). The month experiences a total precipitation of 95 mm (3.8 in) over approximately 16 days, resulting in high humidity levels at 85%. In contrast, March sees cooler temperatures with a minimum of -5°C (24°F) and a maximum of 16°C (61°F), averaging just 7°C (44°F). It has slightly less precipitation at 81 mm (3.2 in) over 15 days and humidity levels are marginally higher at 86%. For a closer look at the weather specifics in March, you can find detailed information here: Dun Laoghaire weather in March.
When comparing the weather of August and April, a noticeable contrast emerges. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (73°F), providing a warmer average of 15°C (60°F). This month also experiences higher precipitation, with 95 mm (3.8 in) falling over 16 days. Conversely, April's temperatures are generally cooler, with a minimum of -2°C (29°F) and a maximum of 19°C (66°F), resulting in an average of 8°C (47°F). The month features significantly less rainfall, totaling 52 mm (2.0 in) over 11 days, but maintains the same humidity level of 85%. For more details on April’s climate, check out Dun Laoghaire weather in April.
In comparing the weather between August and May, August typically sees warmer temperatures, with an average of 15°C (60°F) and a maximum of 23°C (73°F), while May has cooler averages at 11°C (52°F) and peaks at 21°C (71°F). Additionally, August experiences more precipitation, totaling 95 mm (3.8 in) over 16 days, compared to May's 72 mm (2.8 in) over 14 days. Both months have high humidity levels, but August is slightly more humid at 85%, in contrast to May's 83%. For those interested in more details, you can check Dun Laoghaire weather in May.
When comparing the weather in August and June, both months showcase similar temperature ranges and humidity levels, but with some notable differences. August tends to be slightly warmer, with an average temperature of 15°C (60°F), compared to June's average of 14°C (57°F). The maximum temperature in August peaks at 23°C (73°F), just shy of June's highest point of 24°C (75°F). However, August experiences more precipitation, totaling 95 mm (3.8 in) over 16 days, compared to 75 mm (3.0 in) over 15 days in June. Despite these differences in rainfall, both months maintain a consistent humidity level of around 85%. For a detailed overview of June's weather, you can check Dun Laoghaire weather in June.
When comparing the weather in August and July, we see some notable differences. August experiences slightly cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 23°C (73°F), while July has a minimum of 8°C (46°F) and reaches up to 25°C (77°F). Precipitation is also higher in August, averaging 95 mm (3.8 in) over 16 days, compared to 80 mm (3.2 in) over 14 days in July. Humidity levels are quite similar, with August at 85% and July slightly higher at 86%. For more detailed information about July’s weather, you can check Dun Laoghaire weather in July.
In comparing the weather between August and September, we see a noticeable drop in temperatures with August averaging 15°C (60°F) compared to September's average of 13°C (56°F). While August features a higher maximum temperature of 23°C (73°F) against September's 22°C (72°F), the minimum temperature in September reaches a cooler 3°C (38°F) compared to August’s 7°C (45°F). Additionally, September experiences less precipitation, with 73 mm (2.9 in) over 14 days, compared to August's 95 mm (3.8 in) over 16 days. Humidity levels remain relatively similar, with September slightly higher at 86% versus August's 85%. For more detailed information on September conditions, you can visit Dun Laoghaire weather in September.
August tends to be warmer than October, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 23°C (73°F), while in October, temperatures drop to a range of 1°C (35°F) to 18°C (65°F). Although both months experience significant rainfall, August sees slightly more precipitation at 95 mm (3.8 in) over 16 days, compared to October's 87 mm (3.4 in) over 14 days. The humidity remains quite high in both months, with October marginally higher at 87% compared to August's 85%. For more detailed information, you can check Dun Laoghaire weather in October.
In August, the weather typically features a mild range of temperatures, with minimums around 7°C (45°F) and maximums reaching up to 23°C (73°F). The average temperature hovers at 15°C (60°F), accompanied by considerable humidity at 85% and rainfall spread over 16 days, totaling 95 mm (3.8 in). In contrast, November brings a notable drop in temperatures, with a minimum of 0°C (32°F) and a maximum of 15°C (59°F), averaging at 8°C (46°F). While precipitation remains similar at 97 mm (3.8 in), it occurs over fewer days, approximately 14, and humidity increases slightly to 86%. For those interested in more details, check out Dun Laoghaire weather in November.
August and December present stark contrasts in weather conditions. August typically enjoys milder temperatures, with averages around 15°C (60°F) and maximums reaching 23°C (73°F), while December experiences much cooler weather, averaging only 6°C (44°F) and peaking at 13°C (56°F). In terms of precipitation, both months are similar, with August receiving about 95 mm over 16 days and December slightly less, with 94 mm spread over 15 days. Humidity levels remain high in both months, at 85% in August compared to 84% in December. For a more detailed look at December weather, visit Dun Laoghaire weather in December.
As summer draws to a close in Dun Laoghaire, August presents a unique blend of pleasant temperatures and vibrant humidity. With daytime highs reaching a comfortable 23°C, the weather encourages outdoor activities and coastal strolls, yet the average temperature settles at a milder 15°C. Unlike the drier months earlier in the season, August brings a noticeable increase in rainfall, averaging 95 mm across about half the month, which contributes to the lush greenery and the refreshing coastal air. The high humidity levels add to the feeling of warmth, making it a more humid experience compared to previous months. For those keen on understanding the nuances of Dun Laoghaire's climate, more details can be found at Dun Laoghaire Climate.