Measurements:
°C
°F
Killarney
50°F
SE 9 mph
Feels like: 48°F
Precip: 22%
World Resorts Ireland Killarney Weather August Weather in Killarney

Killarney Weather: August

Average Day Temperature: 65.5°F
Average Night Temperature: 52.6°F
Sea Water Temperature: 62.6°F
Number of Sunny Days: 2 days
Sunshine Hours: 13.7 - 15.5 hours
Number of Rainy Days: 6 days
Precipitation Totals: 3.0 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 79°F. The lowest night temperature was 26°F. The average values for day and night temperatures during August were 65.9°F и 51.8°F respectivly.

Killarney Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Killarney was 65.9°F. The maximum and minimum values were 64.6°F and 67.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are gloomy but you can also expect sunny days.

Precipitation Totals in August, in

Precipitation total in August for Killarney is 3.0 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 7.9 mph. It makes August one of the most windless months of the year for Killarney.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Killarney in August is 4.6 hours.

Best Time to Visit Killarney
The most sunny months:
April 5 days
May 4 days
March 4 days
The most warm months:
July 66.6 °F
August 65.5 °F
June 63.4 °F
Warmest sea temperature:
August 62.6 °F
July 62.1 °F
September 60.0 °F
The most cold months:
January 44.8 °F
December 46.6 °F
February 46.8 °F
The most rainy months:
December 9 days
January 9 days
November 8 days
The most windy months:
February 11 mph
December 11 mph
January 10 mph

Killarney on the Weather Map

Ireland Resorts:
NAME
Cork +52
Dublin +52
Killarney +50
Limerick +52
24 Hours Weather Forecast
Killarney
Local time: 21:29
09 sep, wednesday
0000 48°F
E
4 mph
0300 46°F
NE
4 mph
0600 46°F
NE
4 mph
0900 50°F
NE
3 mph
1200 60°F
NE
6 mph
1500 58°F
NE
6 mph
1800 58°F
NE
6 mph
2100 52°F
N
4 mph