August Weather in Kilkenny, Ireland

Last updated: March 17, 2025

In Kilkenny, Ireland, August brings a delightful mix of mild temperatures and refreshing rain. With maximum highs reaching 24°C (76°F) and an average temperature of 15°C (59°F), the weather is perfect for exploring this historic city. However, visitors should be prepared for occasional showers, as the month sees 91 mm (3.6 in) of precipitation spread across 15 days, contributing to a notably high humidity level of 85%. This climate creates a lush and vibrant landscape, making Kilkenny an enchanting destination during late summer.

August Temperature in Kilkenny

In August, Kilkenny, Ireland experiences a comforting pleasantness that bridges the summer warmth into early autumn. The temperatures range from a minimum of 5°C (41°F) to a comfortable average of 15°C (59°F), peaking at a inviting 24°C (76°F). This month is distinctive as it maintains the mildness established in July, allowing residents and visitors to savor the lingering summer vibes. While the mornings may start off cool, the afternoons can be pleasantly warm, making it a perfect time to explore the stunning landscapes and rich history of the area. Overall, August stands out as a delightful respite, ushering in a gradual transition towards the crispness of fall.

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

The chart illustrates August temperature patterns in Kilkenny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475257615956504543
Data source: Temperature data for Kilkenny 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 Kilkenny

In August, Kilkenny experiences a notable increase in precipitation, recording 91 mm (3.6 in) of rainfall over 15 days. This uptick marks one of the wettest months of the year, following a summer where rainfall remained relatively stable at around 65 mm (2.5 in) to 67 mm (2.6 in) from June to July. The pattern suggests a shift towards wetter conditions as summer transitions into autumn, which is further supported by the month’s above-average rainfall compared to both the early and later months of the year. As Kilkenny prepares for the fall, these increased precipitation levels not only indicate a changing climate but also enrich the region's lush landscapes.

August Precipitation Trends in Kilkenny

The chart displays monthly precipitation patterns in Kilkenny, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5188795765666792618585101
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kilkenny

In Kilkenny, Ireland, August brings a consistent humidity level of 85%, a slight drop from the summer highs. Throughout the year, humidity values remain relatively stable, with February, March, July, September, and November hovering around 86%. Interestingly, the levels in spring begin to show a gradual decrease, reaching a low of 83% in May before climbing again in the hotter months. As the autumn approaches, humidity levels rise steadily, culminating in October’s peak at 87%. This consistent humidity pattern creates a unique climate, characterized by mild conditions year-round, making Kilkenny a charming destination for those who appreciate a gentle, moist air.

August Average Humidity in Kilkenny

This chart illustrates the average monthly humidity levels in Kilkenny, 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 Kilkenny

As August rolls into Kilkenny, the UV Index reflects a notable shift, peaking at 7, categorized as high. This slight dip from the very high levels of July signifies that while sun protection remains essential, you may have a bit more leeway compared to the previous month. With a burn time of just 25 minutes, it's wise to be mindful of sun exposure during this vibrant summer month. Overall, August encapsulates the transition towards milder UV levels, followed by a return to moderate indices in September. For more detailed insights on sun safety and UV levels, visit Kilkenny UV Index.

Maximum UV Index Levels in Kilkenny for August

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

In Kilkenny, Ireland, the month of August shines with an impressive 342 hours of sunshine, showcasing a vibrant end to the summer season. Following July's peak at 397 hours, August maintains a commendable level of brightness, though it marks a noticeable dip as the days gradually shorten. This trend, reflecting the overall pattern of longer to shorter days throughout the year, aligns with the journey from spring's awakening in April with 301 hours through the sun-drenched May and June, both exceeding 390 hours. As autumn approaches, sunshine hours take their seasonal decline, with September still enjoying a robust 297 hours before the crisper months of October and November bring further reductions. The ebb and flow of sunlight not only enriches Kilkenny's charm but also invites both locals and visitors to savor the vibrant atmosphere of late summer.

Monthly Sunshine Duration in Kilkenny: August Highlighted

The August sunshine duration represents the total number of hours Kilkenny 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.
JanFebMarAprMayJunJulAugSepOctNovDec86h145h195h301h392h388h397h342h297h239h128h105h
Data source: Kilkenny August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kilkenny During August

In Kilkenny, Ireland, the likelihood of sunny weather in August is relatively modest, with a 24% chance of sunshine. This places August slightly below the more promising months of April, which peaks at 42%, and May at 28%. Interestingly, the summer months of June and July also reflect lower probabilities of sunshine, both hovering around 22-27%. The overall trend indicates that while late summer does offer more potential for sun compared to the chillier winter months—like February with a mere 22%—August remains a transitional period, often yielding days of mixed weather rather than a consistent sunny disposition.

Percentage of Sunny Days in August in Kilkenny

The chart illustrates the percentage of sunny days in Kilkenny 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 Kilkenny experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%22%20%42%28%22%27%24%18%16%26%19%
Data source: Kilkenny August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kilkenny in August

In Kilkenny, Ireland, August marks a gentle transition as the long summer days gradually fade, offering around 14 hours of daylight. This duration is slightly less than the peak of 16 hours seen in both June and July, reflecting a subtle shift towards the shorter days of fall. As summer gives way to autumn, the daylight hours diminish steadily, with September falling to 12 hours. This trend highlights the seasonal rhythm of Kilkenny, where each month brings its own unique palette of light, inviting residents and visitors alike to savor the lingering summer warmth before embracing the crispness of autumn.

Average Daylight Hours in Kilkenny for August

The chart illustrates the variation in daylight duration in Kilkenny throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 12m9h 52m11h 54m13h 59m15h 49m16h 47m16h 16m14h 37m12h 36m10h 32m8h 40m7h 40m
Data source: Kilkenny daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kilkenny

In August, Kilkenny experiences a gentle breeze, with an average wind speed of 3.2 m/s (7 mph), which is slightly calmer than the preceding summer months. This subtle reduction in wind contrasts with the noticeable uptick seen earlier in the year, particularly in February, where winds peaked at 5.0 m/s (11 mph). As summer transitions into autumn, August's winds mirror the quieter, more serene vibes typical of late summer, after reaching their lowest point in July at 2.6 m/s (6 mph). The trend throughout the year suggests a gradual ebb and flow of wind speeds, with autumn months showing a slight resurgence in breeziness, especially in October, which averages 4.0 m/s (9 mph). Overall, Kilkenny's wind patterns provide a tapestry of atmospheric changes that reflect the shifting seasons, inviting residents and visitors alike to enjoy the tranquil charm of this historic Irish town.

Average August Wind Speed in Kilkenny

The chart displays monthly wind speed patterns in Kilkenny, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.75.04.03.03.73.42.63.2 m/s2.94.03.74.2
Data source: Kilkenny August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kilkenny Compares to Other Months

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

In Kilkenny, the weather in August is considerably warmer than in January, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (76°F). In contrast, January experiences much cooler temperatures, with averages between -6°C (21°F) and 13°C (56°F). August also sees higher levels of precipitation (91 mm/3.6 in over 15 days) compared to January's 51 mm (2.0 in over 10 days), although both months share a high humidity level of 85%. To learn more about January's weather in Kilkenny, visit Kilkenny weather in January.

August and February present strikingly different weather conditions. In August, temperatures range from a mild 5°C (41°F) to a pleasant maximum of 24°C (76°F), with an average of 15°C (59°F). The month experiences considerable humidity at 85% and sees 91 mm (3.6 in) of precipitation over about 15 days. In contrast, February is notably colder, with temperatures dipping as low as -4°C (25°F) and peaking at 14°C (58°F), resulting in an average of 6°C (43°F). While February has slightly less precipitation at 88 mm (3.5 in) over 16 days, the humidity remains high at 86%. For more specific details on February weather, you can visit Kilkenny weather in February.

In comparing the weather between August and March, we observe notable differences in temperature and conditions. August offers milder weather with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), contributing to a warmer overall feel. In contrast, March is considerably cooler, with temperatures ranging from a chilly minimum of -8°C (17°F) to a maximum of 17°C (63°F) and an overall average of 6°C (44°F). Although both months experience precipitation over approximately 15 days, August sees a slightly higher total of 91 mm (3.6 in) compared to March's 79 mm (3.1 in). Despite the slight difference in humidity, both months maintain high levels, with August at 85% and March at 86%. For a more detailed look at March weather, check this link: Kilkenny weather in March.

In comparing the weather between August and April, we see a significant difference in temperatures and precipitation. August experiences milder temperatures, with a minimum of 5°C (41°F), averaging 15°C (59°F), and peaking at 24°C (76°F). In contrast, April starts much cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (69°F), averaging only 8°C (47°F).

Precipitation also varies, with August receiving 91 mm (3.6 in) over 15 days, while April has less rainfall at 57 mm (2.2 in) spread across just 11 days. Despite their differences, both months maintain a high humidity level of 85%. For a closer look at April's weather specifics, visit Kilkenny weather in April.

In comparing the weather between August and May, August typically offers warmer temperatures, with averages around 15°C (59°F) and maximums reaching 24°C (76°F), while May presents cooler conditions with an average of 11°C (52°F) and a maximum of 23°C (74°F). Precipitation levels in August are higher, totaling 91 mm (3.6 in) over approximately 15 days, compared to May’s 65 mm (2.5 in) spread over 11 days. Both months enjoy relatively high humidity, with August at 85% and May slightly lower at 83%. For more detailed information on May weather, visit Kilkenny weather in May.

When comparing the weather in August and June, it's evident that both months experience mild temperatures and high humidity levels. August typically has a slightly warmer average temperature of 15°C (59°F), with highs reaching up to 24°C (76°F), while June's average is slightly lower at 14°C (58°F), peaking at 28°C (83°F). In terms of precipitation, August sees more rainfall at 91 mm (3.6 in) over 15 days compared to June's 65 mm (2.6 in) across 12 days. Both months, however, maintain a consistent humidity level of 85%. For more specific details on June weather, you can visit Kilkenny weather in June.

In comparing the weather patterns of August and July, we can observe some notable differences. August experiences a slightly cooler average temperature of 15°C (59°F), compared to July's warmer average of 16°C (61°F). The maximum temperature also drops in August to 24°C (76°F), down from July's peak of 28°C (82°F). Additionally, August sees increased precipitation of 91 mm (3.6 in) over 15 days, compared to July's 67 mm (2.6 in) over 12 days. Humidity levels remain fairly consistent, with August at 85% and July at 86%. For more detailed information on July weather, you can visit Kilkenny weather in July.

August and September display notable differences in weather patterns. August tends to be milder, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), while September experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and an average of 13°C (56°F). Although both months are relatively humid, September's humidity is slightly higher at 86%, compared to August's 85%. Rainfall is also less in September, with 61 mm (2.4 in) across 11 days versus August’s 91 mm (3.6 in) over 15 days. For more details about September weather in Kilkenny, you can check Kilkenny weather in September.

In August, the weather is generally warmer, with average temperatures hovering around 15°C (59°F) and maximums reaching up to 24°C (76°F). The month experiences a significant amount of precipitation, totaling 91 mm (3.6 in) over approximately 15 days, accompanied by relatively high humidity at 85%. In contrast, October brings cooler temperatures with an average of 10°C (51°F), dipping as low as -2°C (28°F) at night. Although precipitation decreases slightly to 85 mm (3.4 in) over 14 days, humidity remains high at 87%. For more detailed insights, check out Kilkenny weather in October.

In August, temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). This month experiences relatively high humidity at 85% and 91 mm (3.6 in) of precipitation spread over 15 days. In contrast, November brings cooler weather, with temperatures dropping to a minimum of -3°C (28°F) and a maximum of 15°C (60°F), averaging just 7°C (46°F). While November sees slightly less precipitation at 85 mm (3.3 in) over 13 days, the humidity remains similar at 86%. For more detailed insights, you can visit Kilkenny weather in November.

August and December present contrasting weather profiles. In August, the temperatures typically range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). Humidity is high at 85%, and the month experiences about 15 days of rain, totaling 91 mm (3.6 in) of precipitation. Conversely, December brings colder conditions, with temperatures dipping as low as -6°C (21°F), peaking at 14°C (57°F), and averaging only 6°C (44°F). While December sees a slightly higher precipitation total of 101 mm (4.0 in) over the same number of rainy days, humidity remains somewhat constant at 84%. For more detailed information, you can visit Kilkenny weather in December.

Compare Kilkenny's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kilkenny

As summer draws to a close, August in Kilkenny presents a unique blend of mild warmth and refreshing humidity, making it a distinct contrast to the spring and early summer months. With average temperatures hovering around 15°C, the city experiences both comfortable days and cooler evenings, ideal for outdoor activities. However, the month is also marked by increased precipitation, with frequent showers—perfect for those who appreciate the lush Irish landscapes. This balance of warmth and moisture is a defining feature of Kilkenny's late summer climate, inviting visitors to explore its charm. For a deeper understanding of what to expect throughout the year, check out Kilkenny Climate.