August · Ireland
Best time to visit Killarney in August Weather, crowds & prices
Weather in Killarney in August
Average temperature 16°C, 93 mm of rain, about 15 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.6/10
Ranked #4 of 12 months
- Avg temp
- 16°C
- Rainfall
- 93 mm
- Humidity
- 86%
- Days with 6h+ sun
- 15
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Killarney scores 7.6/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 16°C, 93 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Scenic hub on the Ring of Kerry with mountain lakes, Muckross House, and national park.
August in Killarney — reliably good (4th best month)
Temperatures hover around 16°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 93 mm of rain this month — a flexible day or two helps — with about 15 days with 6+ hours of sunshine and 14.4 hours of daylight to work around it.
That is 7.6/10 on the same scale — 4th of 12 months, versus 8.4/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Budget for peak pricing, and this is one of the busiest months here.
Frequently asked
- What is the weather like in Killarney in August?
- In August, Killarney averages 16°C, 93 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
- Is August a good time to visit Killarney?
- August earns a 7.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Killarney in August?
- Expect about 93 mm of rain in August. Average humidity is 86% and there are about 15 days with 6+ hours of sunshine.
Curated in Killarney
Tickets & experiences
Things to do in Killarney
Killarney, Ireland. Live activities and tours from GetYourGuide, matched to this destination.