Killarney Weather and Climate: A Comprehensive Guide
The temperature in Killarney varies moderately throughout the year.
The temperatures shift from pleasant
to cold.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Killarney, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a pleasant 19°C in July, the warmest time of the year, to a chilly 9°C during cooler months like February.
At night, temperatures typically drop to an average of around 3°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Killarney has a relatively rain/snowy climate with high precipitation levels, averaging 1283 mm of rain/snowfall annually. Year-round, Killarney has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 128 mm, and the driest month, September, with 93 mm, is minimal.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Killarney. While May receives considerable daily sunshine with up to 6.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Killarney.
The city experiences its highest humidity in July, reaching 80%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain overcast and rain overcast and heavy rainForecast for Killarney
2 m/s
6 m/s
6 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Killarney in Ireland
Other facts from our historical weather data:July has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
December tops the wettest month list with 128 mm of rainfall.
September is the driest month with 93 mm of precipitation.
May is the sunniest month with an average of 180 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
