Monthly climate guide
Kilkenny weather in August
With highs near 18°C (65°F) and lows around 11°C (51°F), August feels mild in Kilkenny. Rainfall averages about 99 mm (wet) and the sky is often cloudy. Daytime highs are about the same as July and 2°C warmer than September.
What stands out in August
- Seasonally, August counts as late summer in Kilkenny.
- August is Kilkenny's second warmest month.
- Kilkenny is usually about 2°C warmer than Sligo, 200 km away, in August.
Avg high
18°C
65°F
Avg low
11°C
51°F
Rainfall
99 mm
wet
Humidity
86%
relative
Sky
75%
cloud · often cloudy
Kilkenny weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 7°C / 45°F | 3°C / 37°F | 91 mm | 95% | 76% |
| February | 8°C / 46°F | 2°C / 36°F | 83 mm | 93% | 78% |
| March | 9°C / 49°F | 2°C / 36°F | 73 mm | 90% | 74% |
| April | 12°C / 54°F | 4°C / 39°F | 64 mm | 87% | 73% |
| May | 15°C / 59°F | 7°C / 44°F | 70 mm | 84% | 75% |
| June | 17°C / 63°F | 9°C / 48°F | 87 mm | 83% | 75% |
| July | 19°C / 67°F | 11°C / 52°F | 71 mm | 84% | 73% |
| August | 18°C / 65°F | 11°C / 51°F | 99 mm | 86% | 75% |
| September | 17°C / 62°F | 9°C / 48°F | 82 mm | 88% | 74% |
| October | 13°C / 56°F | 7°C / 44°F | 95 mm | 91% | 75% |
| November | 10°C / 49°F | 4°C / 40°F | 112 mm | 94% | 73% |
| December | 8°C / 47°F | 4°C / 38°F | 123 mm | 95% | 76% |
What to pack for August
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is August a good time to visit Kilkenny?
Compare the months in the chart above to find your ideal window.
Best time to visit Kilkenny →Other Ireland cities in August
Cite or embed this data
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Kilkenny weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/ireland/kilkenny/august
<a href="https://weathercompare.eu/weather/ireland/kilkenny/august">Kilkenny weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/ireland/kilkenny" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Kilkenny weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/ireland/kilkenny/august">Kilkenny weather in August</a> – WeatherCompare</p>
Kilkenny in August: quick answers
Is August a good time to visit Kilkenny?
August is one of the wetter months in Kilkenny, with about 99 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Kilkenny in August?
Average highs are about 18°C (65°F) and average lows about 11°C (51°F), based on 10 years of daily data.
Does it rain a lot in Kilkenny in August?
Kilkenny typically gets around 99 mm of rain in August — wet.
Figures are long-term averages for the area around Kilkenny (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.