Cool
Average highs are around 20°C, so pack for cooler days.
Weather Guide
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 3.6h per day, and rainfall totals about 893mm. Sea temperatures average 12°C across the year.

Annual averages
Temp
13°C
Rain
893mm
Annual total
Sun
3.6h
Sea
12°C
Weather score
23
Poor avg
Cool
Average highs are around 20°C, so pack for cooler days.
Drier
Rainfall averages 59mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Kilkenny, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.
July20°C average high
July is one of Kilkenny's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
July59mm average rain
July sits on the drier side of Kilkenny's year, which helps with sightseeing and transfers.
Driest monthsFebruary to September and November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July4.8 hours average sun
July is brighter than Kilkenny's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
July15°C average sea
July is one of Kilkenny's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
July37 weather score
July is one of Kilkenny's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.