Cool
Average highs are around 12°C, so pack for cooler days.
April verdict
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 77mm, which is relatively low for holiday planning.
Monthly averages
Temp
12°C
Rain
77mm
Sun
4.9h
Sea
10°C
Weather score
23
Poor
Cool
Average highs are around 12°C, so pack for cooler days.
Drier
Rainfall averages 77mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare Killarney, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.
April12°C average high
April is close to Killarney's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
April77mm average rain
April is one of Killarney's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April4.9 hours average sun
April is brighter than Killarney's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
April10°C average sea
April is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
April23 weather score
April sits close to Killarney's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.