April · Ireland
Best time to visit Killarney in April Weather, crowds & prices
Weather in Killarney in April
Average temperature 9°C, 77 mm of rain, about 14 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
7.1/10
Ranked #5 of 12 months
- Avg temp
- 9°C
- Rainfall
- 77 mm
- Humidity
- 87%
- Days with 6h+ sun
- 14
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Killarney scores 7.1/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 9°C, 77 mm of rain, and roughly 14 days with 6+ hours of sunshine this month.
Scenic hub on the Ring of Kerry with mountain lakes, Muckross House, and national park.
April in Killarney — reliably good (5th best month)
April averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 77 mm, so plan one flexible day in three; you still get about 14 days with 6+ hours of sunshine and 13.6 hours of daylight.
It scores 7.1/10 here, 5th 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 packable rain layer, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Killarney in April?
- In April, Killarney averages 9°C, 77 mm of rain, and about 14 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is April a good time to visit Killarney?
- April earns a 7.1/10 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 April?
- Expect about 77 mm of rain in April. Average humidity is 87% and there are about 14 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.