August Weather in Sligo, Ireland

Last updated: March 17, 2025

August in Sligo, Ireland presents a captivating blend of mild temperatures and frequent rainfall. With maximum temperatures reaching up to 24°C (75°F), visitors can enjoy warm days complemented by an average temperature of 15°C (59°F). However, the charm of this month is often accompanied by frequent showers, as evidenced by 158 mm (6.2 in) of precipitation spread across 22 days. High humidity levels at 86% can create a lush, green landscape, characteristic of this beautiful coastal region. Whether you’re wandering the scenic shores or exploring the vibrant town, be prepared for a dynamic summer experience where the weather is as varied as Sligo’s stunning scenery.

August Temperature in Sligo

In Sligo, Ireland, August brings a delightful blend of warmth and mildness, with temperatures ranging from a comfortable 6°C (43°F) at night to a pleasant 24°C (75°F) during the day. This month marks a peak in the summer season, showcasing an average temperature of 15°C (59°F), slightly warmer than its predecessors. As the mercury rises from the earlier months, you can expect more sunshine and opportunities for outdoor activities, yet the cool evenings still invite cozy gatherings. It's a perfect time to enjoy the vibrant landscapes that Ireland is known for, as the temperatures begin their gradual decline heading into autumn.

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

The chart illustrates August temperature patterns in Sligo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424244475256595855504643
Data source: Temperature data for Sligo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Sligo

In August, Sligo experiences a notable surge in precipitation, with a staggering 158 mm (6.2 in) of rain falling over 22 days. This marks the wettest month of the year, significantly surpassing the preceding months, where rainfall typically hovers between 65 mm and 131 mm. The increased frequency of rainy days not only contributes to the lush, vibrant landscapes characteristic of this region but also highlights a seasonal peak in moisture before the autumn months set in. As summer transitions to fall, the pronounced precipitation in August suggests a climatic pattern that prepares Sligo for the wetter months ahead, reinforcing its reputation for temperate oceanic weather.

August Precipitation Trends in Sligo

The chart displays monthly precipitation patterns in Sligo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec881311196586117109158106131115119
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sligo

In Sligo, Ireland, August brings a notable consistency in humidity, with levels reaching 86%—equal to the peak observed in July. This trend reflects the generally damp climate characteristic of the region during the summer months, as humidity remains relatively high throughout the year. While the levels dip slightly in late spring, they rebound in July and August, with the subsequent months showing a gradual increase, peaking in November at 88%. This consistent moisture in the air contributes to Sligo's lush landscapes, making it a picturesque destination even as the summer winds down.

August Average Humidity in Sligo

This chart illustrates the average monthly humidity levels in Sligo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%84%83%84%86%86%87%87%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sligo

In August, Sligo experiences a high UV Index of 7, making sun protection essential, especially with a burn time of 25 minutes. While this marks a slight decrease from the very high levels observed in June and July, the sun's intensity still warrants caution. The summer months show a clear trend of increasing UV exposure, peaking in July before tapering off in August. As we transition into September, the UV Index drops to a moderate level of 5, making August a pivotal month for sun safety. To stay informed about the UV Index throughout the year, visit Sligo UV Index.

Maximum UV Index Levels in Sligo for August

The chart shows the monthly maximum UV Index (UVI) for Sligo 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Sligo 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 Sligo

August in Sligo, Ireland, sees a delightful summation of sunshine, with a notable 287 hours of bright daylight. This month serves as a bridge between the peaks of summer and the onset of autumn, following the sunniest May with 365 hours. While August experiences slightly less sunlight than July and June, it still retains a generous amount of warmth and light, making it a perfect time for enjoying the scenic landscapes. As summer gradually gives way to the shorter days of September, the steady decline in sunshine hours reminds us to savor the lingering sunshine while it lasts, before the golden hues of autumn take center stage.

Monthly Sunshine Duration in Sligo: August Highlighted

The August sunshine duration represents the total number of hours Sligo 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.
JanFebMarAprMayJunJulAugSepOctNovDec62h127h163h275h365h335h336h287h257h202h102h71h
Data source: Sligo August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sligo During August

In Sligo, Ireland, the likelihood of sunny weather in August hovers around 16%, marking a slight decline compared to the summer months. Following the relatively brighter days of April and May that peaked at 36% and 33% respectively, the summer seems to fizzle out as June and July average only 15% and 21% sunshine. As August rolls in, the chances of sun diminish further, creating an atmosphere that leans more towards the cool, cloudy charm characteristic of Ireland. This trend hints that while summer may offer occasional bursts of sunshine, residents and visitors alike should embrace the unpredictability of Sligo’s weather and prepare for variable conditions in the waning summer month.

Percentage of Sunny Days in August in Sligo

The chart illustrates the percentage of sunny days in Sligo 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 Sligo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%19%12%37%33%15%21%16%14%15%18%13%
Data source: Sligo August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sligo in August

As summer transitions into autumn, August in Sligo, Ireland, brings 14 hours of daylight, marking a subtle decline from the peak of 17 hours in June. This month serves as a gentle reminder of the longer, sun-drenched days slowly yielding to the encroaching twilight of fall. Following the vibrancy of late spring and early summer, August's daylight duration still offers ample opportunity for outdoor activities, yet hints at the approaching chill of autumn with shorter days ahead. The gradual decrease in daylight duration continues into September with 12 hours, setting the stage for a shift towards cozy evenings as the year winds down. This rhythmic ebb and flow of daylight encapsulates the enchanting changes of Sligo's seasonal landscape.

Average Daylight Hours in Sligo for August

The chart illustrates the variation in daylight duration in Sligo throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 58m9h 45m11h 54m14h 6m16h 3m17h 5m16h 31m14h 46m12h 38m10h 27m8h 28m7h 24m
Data source: Sligo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Sligo

In Sligo, Ireland, August brings a gentle breeze with an average wind speed of 3.1 m/s (7 mph), making it one of the milder months for wind. This slight decrease in wind speed follows a trend observed since July, which recorded only 2.4 m/s (5 mph), suggesting a pattern of calmness as summer comes to a close. It's interesting to note that as the year progresses from the brisk winds of winter, averaging around 4.4 m/s (10 mph) in November, the summer months consistently feature lower speeds, with August joining the ranks of breezy yet serene conditions. This rhythmic fluctuation creates a unique charm in Sligo, where the whispers of wind complement the lush landscapes as they transition towards autumn.

Average August Wind Speed in Sligo

The chart displays monthly wind speed patterns in Sligo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.55.44.43.43.73.72.43.1 m/s3.24.24.44.7
Data source: Sligo August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Sligo Compares to Other Months

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

August and January present distinct contrasts in weather. August typically enjoys milder temperatures, ranging from a minimum of 6°C (43°F) to a pleasant average of 15°C (59°F) and a maximum of 24°C (75°F). It is also characterized by significant rainfall, with 158 mm (6.2 in) falling over 22 days, and a high humidity level of 86%. In contrast, January sees much cooler temperatures, with lows dropping to -3°C (27°F) and a modest average of 6°C (42°F), peaking at 14°C (57°F). Precipitation during this month is considerably less, totaling 88 mm (3.4 in) over 15 days, accompanied by slightly lower humidity at 84%. For more detailed insights, check out Sligo weather in January.

August and February showcase contrasting weather conditions. In August, temperatures range from a mild 6°C (43°F) at night to a warm average of 15°C (59°F) during the day, peaking at 24°C (75°F). This month experiences significant precipitation, with 158 mm (6.2 in) falling across approximately 22 days, contributing to a high humidity level of 86%. In contrast, February is much cooler, featuring minimum temperatures dropping to -4°C (25°F) and an average of 6°C (43°F), with a maximum temperature reaching only 15°C (59°F). Though it is drier than August, February still sees 131 mm (5.2 in) of rain spread over 17 days, maintaining a relatively high humidity of 84%. For detailed insights on February weather, visit Sligo weather in February.

August and March present distinctly different weather patterns. In August, temperatures range from a mild 6°C (43°F) to a warm 24°C (75°F), with an average of 15°C (59°F). This month is characterized by higher precipitation, averaging 158 mm (6.2 in) over 22 days and a humidity level of 86%. In contrast, March experiences cooler temperatures, with a minimum of -4°C (24°F) and a maximum of 17°C (63°F), averaging around 6°C (44°F). While precipitation is also significant in March, totaling 119 mm (4.7 in) over 18 days, the humidity is slightly lower at 83%. For a detailed look at how February weather influences March, you can visit Sligo weather in March.

When comparing the weather in August and April, it becomes clear that August is generally warmer and more humid. In August, temperatures range from a minimum of 6°C to a maximum of 24°C, with an average of 15°C, while April has a cooler profile, with temperatures ranging from -2°C to 21°C, and an average of 9°C. Additionally, August experiences significantly more precipitation, totaling 158 mm over 22 days, compared to April's 65 mm over just 13 days. Humidity levels are also slightly higher in August at 86%, compared to 84% in April. For more detailed insights, you can check Sligo weather in April.

When comparing the weather in August and May, it is evident that August tends to be warmer overall, with average temperatures reaching 15°C (59°F) compared to May's average of 11°C (53°F). Although May presents slightly higher maximum temperatures, peaking at 25°C (77°F), its minimum temperatures start at a chillier -1°C (31°F). Rainfall is significantly more frequent in August, with 158 mm (6.2 in) of precipitation over 22 days, whereas May experiences 86 mm (3.4 in) over 15 days. Humidity remains relatively high in both months, at 86% in August and 83% in May, contributing to a damp atmosphere. For more detailed information, you can check out Sligo weather in May.

When comparing the weather in August and June, notable differences emerge. August tends to be slightly milder with average temperatures reaching 15°C (59°F), while June boasts warmer maximums at 29°C (84°F). Precipitation is higher in August, averaging 158 mm (6.2 in) over 22 days, compared to June's 117 mm (4.6 in) spread across 17 days. Humidity levels are also higher in August at 86%, compared to June's 83%. For a detailed look at June’s weather patterns, you can check out Sligo weather in June.

In comparing the weather of August and July, we notice some notable differences. August tends to be slightly cooler, with a minimum temperature of 6°C (43°F) compared to July's 8°C (46°F). While both months have the same average temperature of 15°C (59°F), July reaches a higher maximum of 28°C (83°F), making it warmer overall. Additionally, August experiences more precipitation, with 158 mm (6.2 in) over 22 days, while July sees only 109 mm (4.3 in) across 16 days. Despite their differences, both months maintain a high humidity level of 86%. For a detailed look at July's weather, you can check Sligo weather in July.

In August, temperatures typically range from a minimum of 6°C (43°F) to a maximum of 24°C (75°F), with an average of 15°C (59°F). August is characterized by significant rainfall, accumulating around 158 mm (6.2 in) over approximately 22 days, coupled with high humidity levels at 86%. In contrast, September sees slightly cooler conditions, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 24°C (76°F), and an average temperature of 13°C (55°F). Precipitation in September decreases to 106 mm (4.2 in) over 18 days, while humidity levels rise marginally to 87%. For more detailed insights, you can check out Sligo weather in September.

In comparing the weather between August and October, we see a notable change in temperatures and precipitation patterns. August typically experiences milder conditions with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (75°F), while October's temperatures drop significantly, with a range from 0°C (32°F) to a maximum of 20°C (68°F). Although August is warmer, it also sees higher precipitation with 158 mm (6.2 in) over 22 days compared to October's 131 mm (5.2 in) spread over 20 days. Humidity remains fairly consistent, hovering around 86% in August and slightly rising to 87% in October. For more details on October's weather, visit Sligo weather in October.

August and November exhibit notable differences in weather patterns. In August, temperatures range from a mild 6°C (43°F) to a warm 24°C (75°F), with an average of 15°C (59°F). The month is characterized by higher precipitation, totaling 158 mm (6.2 in) over 22 days, and a humidity level of 86%. In contrast, November brings cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging at 8°C (46°F). While precipitation decreases to 115 mm (4.5 in) across 19 days, humidity rises slightly to 88%. For a deeper look into the specifics of November's weather, you can visit Sligo weather in November.

August and December present contrasting weather patterns in Sligo. In August, temperatures range from a chilly 6°C (43°F) to a pleasant maximum of 24°C (75°F), with an average temperature of 15°C (59°F). This month experiences significant rainfall, totaling 158 mm (6.2 in) across 22 days, accompanied by high humidity at 86%. In contrast, December brings a colder climate, with temperatures dipping to a minimum of -2°C (29°F) and only reaching a maximum of 13°C (55°F), averaging 6°C (44°F). December sees less precipitation than August, with 119 mm (4.7 in) over 20 days, and humidity levels slightly lower at 84%. For more detailed information about the weather in December, you can visit Sligo weather in December.

Compare Sligo's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Sligo

August in Sligo presents a unique character compared to other months, marked by a blend of warm and cool days that tantalize visitors with varied weather experiences. With temperatures peaking at comfortable highs, the month becomes an inviting time for outdoor activities, even as frequent rainfall adds a gentle rhythm to the atmosphere. The average humidity lingers at a notable level, enhancing the lush landscapes that make Sligo so picturesque. While the prevalence of rain may seem daunting, it's this very mix of sun and showers that contributes to the region's vibrant greenery. If you're curious about how this weather stacks up against other times of the year, explore more on Sligo Climate.