October · Ireland
Best time to visit Killarney in October Weather, crowds & prices
Weather in Killarney in October
Average temperature 11°C, 219 mm of rain, about 0 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
October score
4.1/10
Ranked #8 of 12 months
- Avg temp
- 11°C
- Rainfall
- 219 mm
- Humidity
- 91%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
October in Killarney scores 4.1/10 for nature and wildlife travel - ranked #8 of 12. Expect around 11°C, 219 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Scenic hub on the Ring of Kerry with mountain lakes, Muckross House, and national park.
October in Killarney: expect compromises
October averages 11°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
219 mm of rain puts this in monsoon territory — almost no days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 4.1/10 here, 8th of 12 months, against 8.4/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? May scores 4.3 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Killarney in October?
- In October, Killarney averages 11°C, 219 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.1/10.
- Is October a good time to visit Killarney?
- October earns a 4.1/10 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 October?
- Expect about 219 mm of rain in October. Average humidity is 91% and there are about 0 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.