August Weather in Greystones, Ireland

Last updated: March 17, 2025

In August 2023, Greystones, Ireland, experienced a temperate climate characterized by a maximum temperature of 20°C (68°F) and an average of 15°C (60°F). With a minimum temperature dipping to 10°C (51°F), the weather remained cool and refreshing. Rainfall was notable, with 96 mm (3.8 in) of precipitation over 16 days, resulting in a humidity level averaging 85%. This combination of comfortable temperatures and frequent rain contributed to a lush landscape, making it a quintessential summer month in this picturesque coastal town.

August Temperature in Greystones

In August, Greystones, Ireland, experiences a delightful peak in summer temperatures, with minimums hovering around 10°C (51°F) and averages settling at a comfortable 15°C (60°F). The days are often warmed by highs reaching up to 20°C (68°F), providing the perfect backdrop for outdoor activities and coastal strolls. This month showcases a gentle transition from the soaring warmth of July, maintaining a pleasant climate that encourages both locals and visitors to soak in the last rays of summer before the cooler autumn months approach. The overall trend reveals a gradual rise in temperature as the year progresses, with August standing out as one of the most inviting periods in Greystones’ annual weather profile.

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

The chart illustrates August temperature patterns in Greystones, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444445475156595957534946
Data source: Temperature data for Greystones 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 Greystones

August marks a notable peak in precipitation for Greystones, Ireland, with an average of 96 mm (3.8 in) of rainfall recorded over 16 days. This increase aligns with the trend of summer giving way to the more temperate fall, where rain becomes more frequent. Following July’s 78 mm (3.1 in), August's uptick suggests a shift toward the wetter months, setting the stage for September's 82 mm (3.2 in). The blended impact of warmer temperatures and higher humidity during this time likely contributes to the elevated precipitation levels, as residents prepare for the transition into autumn's embrace.

August Precipitation Trends in Greystones

The chart displays monthly precipitation patterns in Greystones, 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.
JanFebMarAprMayJunJulAugSepOctNovDec708687486175789682101127110
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Greystones

In August, Greystones experiences a humidity level of 85%, continuing the trend of consistently high moisture in the air. The summer months, particularly June and July, see similar levels, with humidity hovering around 86%. As the year progresses, humidity tends to rise slightly, reaching a peak of 87% in October, before settling down again in the winter months. Despite the seasonal variations, it's clear that Greystones maintains a fairly humid climate year-round, making it an ideal environment for lush greenery and vibrant coastal scenery.

August Average Humidity in Greystones

This chart illustrates the average monthly humidity levels in Greystones, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Greystones

In August, Greystones, Ireland, experiences a UV Index of 7, categorized as high, with a burn time of just 25 minutes. This slight decline from the peak very high levels seen in June and July indicates that while summer is still in full swing, sun exposure should still be approached with caution. As the season transitions into autumn, the UV Index will gradually decrease, moving down to a moderate level in September. This trend highlights the importance of monitoring UV levels to protect your skin, especially during the sunnier months. For more detailed insights, check out the Greystones UV Index.

Maximum UV Index Levels in Greystones for August

The chart shows the monthly maximum UV Index (UVI) for Greystones 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: Greystones 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 Greystones

August in Greystones, Ireland, basks in a vibrant 361 hours of sunshine, marking it as a peak month in the transition from summer to autumn. This sunny spell follows a notably bright early summer, with May leading the pack at 408 hours. As the year unfolds, the increasing daylight hours from January’s humble 87 to April’s 329 create a backdrop of growing warmth and vibrancy. However, as autumn approaches, we witness a gradual decline, with September's hours dropping to 308. Despite the ebbing sunshine, August stands out as a fitting farewell to summer, inviting residents and visitors alike to relish the lingering warmth before the shorter days of fall take hold.

Monthly Sunshine Duration in Greystones: August Highlighted

The August sunshine duration represents the total number of hours Greystones 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h153h207h329h408h401h403h361h308h237h127h101h
Data source: Greystones August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Greystones During August

In August, Greystones, Ireland typically experiences a 27% chance of sunny weather, a slight dip compared to the more promising months of April and May, which boast probabilities of 49% and 35% respectively. While summer months generally offer a better opportunity for sunshine than the colder seasons, August's figures align closely with the somewhat gloomy June and July, both hovering around 27% to 34%. This trend suggests that while you may bask in some sun, it’s wise to keep an umbrella handy as the unpredictability of Irish weather remains a constant companion throughout the summer.

Percentage of Sunny Days in August in Greystones

The chart illustrates the percentage of sunny days in Greystones 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 Greystones experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%23%25%49%35%27%34%27%23%21%27%24%
Data source: Greystones August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Greystones in August

In Greystones, Ireland, the August sunlight offers a comfortable 14 hours of daylight, marking a gradual transition from the peak summer months. Following the 16 hours enjoyed in June and July, August still delights with ample sunlight that creates vibrant, long evenings perfect for outdoor activities. As the year progresses into autumn, daylight begins to wane, dropping to 12 hours in September and further to 10 hours in October. The data reveals a clear trend of increasing daylight from winter's minimum of 7 hours in December, peaking in July before retreating as the year moves toward its close, illustrating the rhythmic dance of the seasons in this picturesque coastal town.

Average Daylight Hours in Greystones for August

The chart illustrates the variation in daylight duration in Greystones throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 9m9h 50m11h 54m14h 1m15h 52m16h 50m16h 19m14h 39m12h 36m10h 31m8h 38m7h 37m
Data source: Greystones daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Greystones

In Greystones, Ireland, the average wind speed during August is a gentle 4.6 m/s (10 mph), mirroring the light breezes of both April and June. As summer unfolds, the winds reach their annual low in July at just 3.4 m/s (8 mph), suggesting a calmness that invites relaxation. However, a slight resurgence occurs in August, hinting at a transition as the seasons shift. This August wind, while still mild compared to the gustier months of October and November, carries with it the essence of late summer, offering a perfect backdrop for seaside strolls and outdoor gatherings. As autumn approaches, the winds gradually pick up, underscoring a natural rhythm in Greystones' climate that balances the warmth of summer with the fresh anticipation of fall.

Average August Wind Speed in Greystones

The chart displays monthly wind speed patterns in Greystones, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.48.26.04.65.24.83.44.6 m/s4.36.76.66.8
Data source: Greystones August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Greystones Compares to Other Months

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

In comparing the weather of August and January, significant differences in temperature and precipitation can be observed. August tends to be milder, with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F), while January experiences cooler conditions, averaging between 1°C (33°F) and 13°C (56°F). Although August receives more precipitation—96 mm (3.8 in) over 16 days—January's precipitation is relatively lower at 70 mm (2.7 in) over 11 days. Interestingly, both months share the same humidity level of 85%, creating a consistently moist atmosphere. For more details about January weather, you can check Greystones weather in January.

In August, the weather in Greystones tends to be more temperate, with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F). Despite the pleasant warmth, it experiences significant precipitation, totaling 96 mm (3.8 in) over 16 days, along with relatively high humidity at 85%. In contrast, February presents cooler conditions, with average temperatures between 0°C (33°F) and 13°C (56°F). Although it has slightly lower overall precipitation at 86 mm (3.4 in) occurring over 15 days, the humidity remains comparable at 86%, contributing to a damp chill. For more details on February weather, you can visit Greystones weather in February.

When comparing the weather in August and March, notable differences emerge in both temperature and conditions. August enjoys milder temperatures, ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F), with an average of 15°C (60°F). In contrast, March experiences cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 13°C (55°F), making the average just 7°C (45°F). Precipitation levels are somewhat similar, with August receiving 96 mm (3.8 in) over 16 days and March slightly lower at 87 mm (3.4 in) across 15 days. Humidity in both months remains high, with August at 85% and March at 86%. For more detailed information, you can visit Greystones weather in March.

When comparing the weather in April and August, there are notable differences in temperature and precipitation. April experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 8°C (47°F), peaking at 15°C (58°F). In contrast, August offers a warmer climate, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F), making it more suitable for outdoor activities. Precipitation also varies, with April receiving about 48 mm (1.9 in) of rain over 11 days, while August sees a significant increase with 96 mm (3.8 in) of rain over 16 days. Interestingly, despite the higher precipitation in August, both months share the same humidity level of 85%. For more specific details on April weather, check out Greystones weather in April.

In comparing the weather between August and May, August tends to be milder with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 20°C (68°F), while May sees cooler conditions, averaging between 3°C (38°F) and 17°C (63°F). Precipitation is more frequent in August, with about 96 mm (3.8 in) falling over 16 days, compared to May's 61 mm (2.4 in) over 12 days. Both months experience high humidity, with August slightly higher at 85% compared to May's 83%. For more details, you can check Greystones weather in May.

In comparing the weather between June and August, August tends to be slightly warmer, with average temperatures rising from June's 13°C (56°F) to 15°C (60°F). Both months experience similar humidity levels at 85%, but August faces more rainfall, totaling 96 mm (3.8 in) over 16 days, compared to June's 75 mm (2.9 in) over just 13 days. This makes August not only warmer but also wetter than June. For a closer look at June's weather patterns, you can visit Greystones weather in June.

In comparing the weather between July and August, we see that both months share similar temperature ranges, with minimums at 10°C (51°F), average temperatures of 15°C (60°F), and maximums reaching up to 20°C (68°F). However, August experiences slightly more precipitation, accumulating 96 mm (3.8 in) over 16 days, compared to July's 78 mm (3.1 in) over 14 days. Humidity levels remain high in both months, though August is marginally less humid at 85% compared to July's 86%. For a closer look at the weather patterns in July, you can refer to Greystones weather in July.

In August, the weather features an average temperature of 15°C (60°F), with daily highs reaching up to 20°C (68°F) and lows around 10°C (51°F). The month is marked by significant precipitation, totaling 96 mm (3.8 in) over 16 days, and humidity levels are quite high at 85%.

Conversely, September brings slightly cooler temperatures, with an average of 14°C (57°F), and minimum temperatures dropping to 7°C (45°F), while still maintaining the same maximum of 20°C (68°F). Rainfall decreases to 82 mm (3.2 in) spread over 14 days, accompanied by a marginally higher humidity of 86%. For more detailed insights, you can check the Greystones weather in September.

In August, the weather typically features milder temperatures, with a minimum of 10°C (51°F) and an average of 15°C (60°F), peaking at 20°C (68°F). This month experiences approximately 96 mm (3.8 in) of precipitation over 16 days, alongside a high humidity level of 85%. In contrast, October brings cooler conditions, with temperatures dipping to a minimum of 5°C (41°F) and an average of 12°C (53°F), rising to a maximum of 18°C (64°F). Despite a slightly higher total precipitation of 101 mm (4.0 in) over the same number of rainy days, October’s humidity is marginally higher at 87%. For a more detailed look at October weather, you can check Greystones weather in October.

When comparing the weather in August and November, notable differences emerge in terms of temperature and precipitation. In August, temperatures are generally mild, with a minimum of 10°C (51°F) and an average of 15°C (60°F), peaking at 20°C (68°F). This month also experiences significant rainfall, with 96 mm (3.8 in) of precipitation spread over 16 days and a high humidity level of 85%. In contrast, November brings cooler conditions, featuring a minimum temperature of 3°C (38°F) and an average of 9°C (49°F), reaching a maximum of 15°C (59°F). The precipitation increases to 127 mm (5.0 in) over 17 days, with humidity slightly higher at 86%. For more details, you can check Greystones weather in November.

In comparing the weather between August and December, it is clear that both months experience distinct characteristics. August boasts milder temperatures with a minimum of 10°C (51°F), averaging 15°C (60°F), and reaching a maximum of 20°C (68°F). Humidity is relatively high at 85%, and precipitation is notable, totaling 96 mm (3.8 in) over 16 days. In contrast, December presents a cooler climate, with temperatures dropping to a minimum of 2°C (35°F) and averaging 8°C (46°F), peaking at 13°C (56°F). Although it experiences slightly more precipitation at 110 mm (4.3 in) over the same number of days, humidity remains similar at 84%. For more details on December conditions, you can visit Greystones weather in December.

Compare Greystones's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Greystones

As August unfolds in Greystones, the weather showcases a unique blend of warmth and moisture that distinguishes it from the rest of the year. With maximum temperatures hovering around a comfortable 20°C, the days offer a pleasant reprieve from summer's heat. However, the average temperature remains a bit cooler, reflecting the transition toward autumn. Frequent rainfall, with precipitation occurring on nearly half the days of the month, contributes to a distinctly humid atmosphere, often reaching 85%. This combination not only enhances the lushness of the surroundings but also makes August one of the wetter months in Greystones. For a deeper dive into the climatic patterns of this beautiful coastal town, visit Greystones Climate.